MODEL 202E
DIFFERENTIAL PRESSURE RECORDERS
User Manual
Part No. 9A-10060, Rev. 01
January 2008
SECTION 1 - INTRODUCTION
General
The Barton Model 202E single DP Flow Recorders measure and record system 
operation parameters, including gas and liquid fow rate, liquid level in a vessel, 
and other system variables that can be measured by differential pressure and 
static pressure methods.
Main Components
Differential Pressure Unit
The Barton Model 199 Differential Pressure Unit (DPU) actuates the recorders.
The DPU is a dual bellows assembly enclosed within pressure housings. The bel-
lows are liquid flled and withstand overranges equal to the working pressure of 
the housing without calibration change. Movement of the bellows is transmitted 
through a torque tube from the DPU to the recording mechanism. The torque 
tube is hermetically sealed to eliminate friction and leakage; it does not require 
lubrication.
SAFETY
Before installing this instrument, become familiar with the installation instructions in 
Section 2. WARNING notes that appear on the following pages of this manual should 
be reviewed before proceeding: 8, 20, 21, 22, and 25.
WARNING  notes  indicate  the  presence  of  a  hazard  which  can  cause  severe  personal  injury,  death,  or 
substantial property damage if warning is ignored.
CAUTION notes indicate the presence of a hazard which can cause moderate personal injury or property 
damage if warning is ignored.
CONTENTS
Section 1 - Introduction ..........................................................   Page 1
Pressure Elements/Chart Drive Tables ..................................   Page 5/6
Section 2 - Installation/Calibration Check .................................   Page 7
Section 3 - Maintenance and Calibration ..................................   Page 13
Section 4 - Troubleshooting .....................................................   Page 26
Section 5 - Installation Drawings ..............................................   Page 28
Section 6 - Parts/Drawing List.................................................   Page 34
Specifcations (DPU/Instrument) ..............................................   Page 39
2
Tho DPL is nttnchoo to tho bnck ol tho rocoroor cnso. Tho torquo tubo is 
insortoo through n holo in tho cnso nno connoctoo to tho DP orivo nrm ol tho 
rocoroor mochnnism. Mooement oj the bellous is trunsmitteJ bj the DPL 
Jrioe urm to the 1orque 1ube us u roturj motion, uhich in turn rotutes 
the recorJer mechunism. Tho prossuro housings ol tho DPL nro connoctoo b, 
pipo or tubing to tho high- nno low-prossuro sioos ol tho primnr, oovico locntoo 
in tho procoss s,stom.
Tho rnngo ol tho DPL is ootorminoo b, tho lorco roquiroo to movo tho bollows 
through thoir normnl rnngo ol trnvol. Tho Range Springs, which nro nvnilnblo 
in vnrious rnngos, bnlnnco tho DP npplioo to tho unit. Tho numbor ol springs 
nno thoir rntings ooponos on inoiviounl DP rnngo roquiromonts. Soo BLA photos 
on pngo 6.
Tho built-in Pulsation Dampener controls tho Low ol nll-liquio botwoon tho 
high nno low prossuro bollows, with nn oxtornnll, nojustnblo nooolo vnlvo. ln 
npplicntions whoro pulsntion is not n problom, tho nooolo is sot to tho lull opon 
position.
3
Ad]us1tng Putsu1ton Oumpener
1.    Romovo oust covor nno insort 1,8 hox ko, into 
nooolo vnlvo.
2.    Turn vnlvo clockwiso to closoo position, npprox. 
3 turns.
3.    Bnck out vnlvo 1,2 turn, or ns roquiroo to 
roouco pulsntions or shock prossuros.
Recording Mechanism
Tho rocoroing mochnnism is n linkngo nno pon 
s,stom thnt pormnnontl, rocoros ontn. lt convorts 
mochnnicnl inputs lrom tho DPL nno stntic prossuro olomont to trnnscribo linos 
on n rovolving chnrt. All oporntivo pnrts ol tho rocoroor mochnnism nro mnoo ol 
stninloss stool lor n longor nolo lilo. Tho pon mount is oxcoptionnll, ruggoo. All 
linos nro nojustnblo. Scrow nojustmonts lor zoro, rnngo, nno linonrit, nssuro lnst 
nno nccurnto cnlibrntion. Tho DP Pen mechanism is shown bolow.
4
Static Pressure Element
This olomont monsuros stntic prossuro in n piping s,stom lrom 0 to 30 inchos ol 
Hg (morcur,} vncuum or lrom 0 to 10,000 psi. Tho sonsor olomont is n bouroon 
tubo consisting ol n slightl, Lnttonoo cross-soction ol tubing coiloo into n holix 
or Lnt spirnl. Tho outor ono ol tho tubing is sonloo nno nttnchoo to n orivo nrm, 
which is nttnchoo to tho stntic prossuro connoction tubing.
Tho Static Pen mechanism is shown bolow.
Tho stntic prossuro connoction is locntoo on tho bnck ol tho rocoroor cnso. Stntic 
prossuro introoucoo through tho tubing cnusos tho spirnl or holix to unwino. A 
roouction ol prossuro within tho tubing cnusos tho olomont to wino moro tightl,. 
Sonsor olomonts nro nvnilnblo in vnrious nllo,s lor n vnriot, ol prossuro rnngos.
(5ee 5tutic Pressure Llement Tuble on next puge.}
5
Static Pressure Element Table:
6
Chart Drive
Spirnl wouno chnrt orivos (oloctricnl or mochnnicnl} cnn bo soloctoo to nt n wioo 
vnriot, ol chnrt spooos or timo intorvnls to roouco mnintonnnco timo. All chnrt 
orivos nro intorchnngonblo nno nttoo with n Low rocoroor hub clip, which locks 
tho chnrt in plnco. Explosion prool oloctricnl orivos nro nlso nvnilnblo.
Bellows Unit Assembl (BUA)
Drive Arm
Hole Plug
(Do Not Looson}
Range Springs
Range Springs
Lock Nut
Push Rod
Retainer Screws
Torque Tube
Gland Nut
(Do Not Looson}
Torque Tube
Gland Nut
(Do Not Looson}
Torque Tube
Shalt
Torque Tube
Shalt
Range Spring
Assembl
Lock Nut
Push Rod
Spring
End Cap
Range Spring
Assembl
Range Spring
Post
3-3/4" BUA
2-1/8" BUA
7
SECTlON 2 - lNSTALLATlON/CALlBRATlON CHECK
Generut
Tho instrumont shoulo bo inspoctoo nt timo ol unpncking to ootoct nn, onmngo 
thnt mn, hnvo occurroo ouring shipmont.
S1undurd Pruc1tce Constderu1tons
Tho lollowing prncticos shoulo bo obsorvoo upon instnllntion.
1.    Tho oistnncos botwoon tho primnr, oovico nno tho DPL shoulo bo mini-
mizoo. Distnncos oxcoooing 100 loot nro not rocommonooo. For oistnncos 
up to 50 loot, uso 1,4-inch or 2,8-inch pipo or tubing. For runs ol 50 to 
100 loot, uso 1,2-inch pipo or tubing. The recommenJeJ limitution Joes 
not upplj uhen un uir purge or bloubuck sjstem is useJ.
2.    Slopo nll piping nt lonst 1-inch,linonr loot to nvoio liquio or gns ontrnpmont.
3.    Provioo two loot ol uninsulntoo piping botwoon tho DPL nno tho primnr, 
oovico lor onch 100F (+37.8C} in oxcoss ol 200F (+93.3C}.
4.    Assuro thnt tho tompornturo ol tho DPL novor oxcooos 180F (+162C}. 
Whon stonm trncing is nocossnr,, tho stonm prossuro shoulo not oxcooo nvo 
pounos por squnro inch nno insulntion shoulo not bo usoo. ll prossuro must 
oxcooo nvo pounos por squnro inch, limit tho longth ol tubing nrouno tho 
DPL to two turns nno oo not insulnto.
5.    lnstnll n suitnblo pulsntion onmponing oovico upstronm ol DPL. Sovoro 
pulsntion will nlloct tho nccurnc, ol Low monsuromont. Avoio sovoro
pulsnting Lows, such ns rociprocnting pumps or comprossors.
6.    Mount tho DPL on n solio support to minimizo vibrntion. Tighton nll points, 
using n suitnblo compouno. Lonks in piping cnn cnuso monsuromont orrors.
7.    Rotnto tho housing ns nocossnr, to plnco tho connoction in tho propor posi-
tion. Tho DPL hns connoctions in tho prossuro housings to nccommoonto 
vnrious pipo sizos (Soo Soction 5}.
8.    lnstnll n vnlvo mnnilolo connocting tho DPL nno tho sourco ol oillorontinl 
prossuro to lncilitnto oporntion nno chocking ol tho DPL.
9.    Locnto nll shutoll nno b,pnss vnlvos so tho, nro nccossiblo lrom tho lront ol 
tho instrumont. Locnto block vnlvos nt tho sourco ol oillorontinl prossuro.
Appttcu1ton Constderu1tons
Ftou - Mnko suro tho DPL high prossuro housing is connoctoo to tho 
upstronm tnp ol tho primnr, oovico. Note: To provont ovorhonting tho DPL 
ouring blowoown, tho oporntor shoulo monitor tho tompornturo b, plncing n 
hnno on tho pipo botwoon tho DPL nno tho mnnilolo pipo contnining tho vont 
vnlvos.
Ltqutd Leuet - Tho procoss mooin cnn bo usoo ns n roloronco log sonl Luio 
whon it is ol n t,po thnt will conoonso in tho roloronco log unoor nll conoitions.
ll procoss or procoss mooin chnrnctoristics provont mooting tho nbovo roquiro-
monts, n spocinl roloronco log sonl Luio will bo roquiroo. Tho spocinl sonl Luio 
must not bo volntilo nno must not bo misciblo with tho procoss mooin. Also, tho 
oilloronco in tho oonsitios ol tho spocinl sonl Luio nno tho procoss mooin will 
roquiro componsntion in cnlculnting tho DP rnngo ol tho DPL.
8
WARN1NG
Exptoston Huzurd. No Orguntc compounds, ott, greuse, dtr1, or 
scute o) un ktnd cun be 1oteru1ed tn un oxgen tns1uttu1ton.
Calibration Check
Note:     Thoro shoulo bo onough pon prossuro to proouco n continuous lino. 
Tho pon shoulo spring lroo ol chnrt whon chnrt is pushoo inwnro nbout 
1,8-inch. ll nocossnr,, nojust pon prossuro b, bonoing pon nrm in tho 
roquiroo oiroction.
A.    Dijjerentiul Pressure Pen
       To nojust tho instrumont to lnctor, sot cnlibrntion lovols.
1.     Voril, tho instrumont is positionoo npproximntol, lovol nno is socurol, 
mountoo.
2.     Connoct tho high prossuro housing into tho cnlibrntion sotup.
9
3.     Vont tho DPL low prossuro sioo to ntmosphoro b, romoving ono vont 
plug lrom tho low prossuro housing.
4.     Romovo tho oust cnp ol tho pulsntion onmponor vnlvo, using n rogulnr 
scroworivor. pon tho onmponor vnlvo b, turning it lull, countorclock-
wiso until it stops turning (using n 1,8-inch Allon wronch}.
5.      Plnco n rocoroing chnrt onto tho chnrt plnto. Lock tho chnrt into 
position with tho hub clip.
6.     Sot tho pon procisol, nt zoro, using tho pon zoro nojustmont scrow.
7.     Appl, 100% prossuro. Voril, thnt tho pon movos ncross scnlo to tho 
100% prossuro inoicntion.
8.     Appl, 50% prossuro. Voril, thnt tho pon inoicntos 50% prossuro on 
tho chnrt.
9.     ll tho pon ooos not nccurntol, inoicnto tho prossuro boing npplioo, 
lurthor nojustmonts nro nocossnr,, porlorm tho cnlibrntion procoouro 
outlinoo in DP Pon Cnlibrntion on pngo 13.
B.    5tutic Pressure Pen
       ll tho instrumont incluoos n stntic prossuro olomont, uso tho lollowing to 
chock tho stntic cnlibrntion.
1.     Connoct tho stntic prossuro olomont into tho cnlibrntion sotup.
2.     Rolonso prossuro. Sot tho pon to zoro, using tho zoro nojustmont scrow.
3.     Appl, 100% prossuro. Voril, thnt tho SP pon movos ncross scnlo to tho 
100% prossuro inoicntion.
4.     Appl, 50% prossuro. Voril, thnt tho SP pon inoicntos 50% prossuro 
on tho chnrt.
5.     ll tho pon ooos not nccurntol, inoicnto tho prossuro boing npplioo, 
lurthor nojustmonts nro nocossnr,, porlorm tho cnlibrntion procoouro 
outlinoo in SP Pon Cnlibrntion on pngo 17.
10
Recorder Mounting
No1es
Bejore instullution, perjorm u culibrution check (puge 8}. Do not pluce 
unit neur oents or bleeJ holes thut Jischurge corrosioe oupors or guses. 
Do not upplj urench'bur pressure to recorJer cuse. All jttings must be 
leuktight. All tubing must be secure to minimize oibrution. Mount the 
instrument us leoel us possible. 
1.    Flush Mounting
n.     Cut oponing in pnnol to tho oimonsions shown in Soction 5.
b.     Drill out pilot holos locntoo on top nno bottom ol cnso. Lso n
No. 1 (0.288} orill. Limit orill ponotrntion nno romovo chips.
c.     Attnch mounting brnckots to cnso bottom with supplioo soll-tnpping scrows.
o.     Slioo cnso (lrom lront ol pnnol} into tho pnnol cutout.
o.     Attnch romnining mounting brnckot nno instnll pnnol mounting scrows.
2.    Pipo Mounting
n.     Plnco n suitnblo longth ol 2-inch pipo into n woll-socuroo Loor or wnll 
Lnngo, or nttnch tho 2-inch pipo to oxisting pipo with n snoolo thnt is 
nttoo with n 2-inch NPT outlot.
b.     Throno tho DPL onto tho pipo, oriont tho instrumont (with wronch or 
bnr npplioo to tho DPL brnckot onl,}, nno tighton rotnining scrows. 
Piping
Connoct tho prossuro olomont to s,stom prossuro using tubing or pipo. Prossuro 
connoction on outsioo ol rocoroor cnso is 1,4-inch NPT, lomnlo.
Electrical Connections
Two knockouts nro on tho bottom ol tho cnso. no knockout is on tho bnck ol 
tho cnso to nccommoonto conouit clnmping connoctions, through which wiring 
is loo to tho torminnl strip. Tho torminnl strip is bolow tho chnrt orivo motor. 
Tho stnnonro oloctricnl powor suppl, roquiromont is 110 VAC, 60 Hz (50 Hz 
wiring nvnilnblo upon roquost}.
Chart lnstallation
Porlorm tho lollowing stops to instnll tho chnrt.
1.    pon tho rocoroor ooor nno rolonso tho chnrt lock (on chnrt orivo hub}.
2.    Rniso tho pon liltor nrm nno slioo tho chnrt botwoon tho pon(s} nno tho chnrt 
plnto. lnsort tho chnrt in tho chnrt guioos in tho chnrt plnto, nno locnto tho 
holo in tho chnrt onto tho chnrt hub. Plnco tho prossuro chnrt onto tho chnrt 
hub. Thon, lowor tho pon liltor nrm nno position tho chnrt to plnco tho 
pon(s} on tho oosiroo chnrt timo lino. 
3.    Socuro tho chnrt in plnco with tho chnrt hub lock.
S1ur1up 
Note:     Bo cnrolul not to subjoct tho DPL to unnocossnr, shock or ovorrnngo 
prossuro ouring oporntions.
1.    Alwn,s stnrt with tho block vnlvos closoo. Note: Do not porlorm n zoro 
chock with onl, ono block vnlvo closoo. ll sonl pots nro usoo, somo ol tho 
sonling Luio will bo lost or oisplncoo. ln gns sorvico, n stnnonro wnvo olloct 
mn, occur thnt will oisplnco tho zoro ronoing.
11
2.    Porlorm n zero check on tho instrumont, por tho lollowing.
       For Gas Service:
n.     Voril, tho instrumont is mountoo npproximntol, lovol nno is proporl, 
connoctoo to tho prossuro sourco.
b.     Tighton procoss connoctions to onch DPL housing. Chock mnnilolo 
nno piping lor lonks.
1}    Closo shutoll vnlvos, opon tho oqunlizor or b,pnss vnlvo(s}, nno 
thon slowl, opon ono shutoll vnlvo to prossurizo tho instrumont.
2}    Whon s,stom is prossurizoo, closo both vnlvos oponoo in Stop 1.
3}    An, lonkngo will bo inoicntoo b, pon movomont, up or oown tho 
scnlo. ll lonkngo is inoicntoo, chock nll mnnilolo nno piping joints. 
Tighton ns nocossnr,.
4}    Ropont Stops b.1} through b.3} until no pon movomont occurs.
c.     Tho pon shoulo inoicnto zoro. ll it ooos not inoicnto zoro, chock lor 
gns or liquio ontrnpmont in tho linos or in tho DPL (ooponoing upon 
oriontntion ol piping nno sorvico}. ll no ontrnpmont is louno, sot tho 
pon to zoro using tho pon zoro nojustmont scrow.
o.     Closo oqunlizor vnlvo nno obsorvo tho pon.
1}    ll zoro, no lurthor chock is nooooo.
2}    ll upscnlo, n lonk mn, oxist on tho low prossuro sioo. Chock nno 
tighton connoctions.
3}    ll oownscnlo, n lonk mn, oxist on tho high prossuro sioo. Chock 
nno tighton connoctions.
4}    ll still slightl, oll, mnko n nno nojustmont using tho pon zoro 
nojustmont scrow.
       For Liquid Service:
n.     Fill sorvico linos with procoss Luio. Vont nno blooo onch sioo ol tho DPL 
boloro tightoning tho vont plugs.
b.     Porlorm Stops 2.n. through 2.o. in For Gas Service procoouro 
nbovo.
c.     pon shutoll vnlvo. Lonvo tho oqunlizor vnlvo closoo. Flow rocoroor is 
now oporntionnl.
3.    Aojust tho onmponor vnlvo ns roquiroo.
Operation
To plnco tho instrumont into oporntion.
1.    Turn on tho orivo. 
2.    Voril, thnt tho pon hns ink nno is in contnct with chnrt.
3.    Turn on prossuro to tho rocoroor.
12
OP Pen Mechuntsm
13
SECTlON 3 - MAlNTENANCE AND CALlBRATlON
Requtred Toots
Tool                                               Purpose
1,2-inch pon-Eno Wronch  Pushroo - Bollows Cup Connoction
Mooinoo Box,pon-Eno
  7,16-inch Wronch  Kickoll Spring Lock Nut
Torquo Wronch (100 lt,lbs}  Prossuro Housing Bolts
Scroworivor  Brnckot Scrows
Mutn1enunce
Gonornll,, Bnrton rocoroors roquiro no mnintonnnco othor thnn roplncomont ol 
tho chnrt, roplonishmont ol tho ink, winoing ol tho spring-wouno chnrt orivos, 
nno occnsionnl cnlibrntion. ln nooition, tho oporntor shoulo poriooicnll, chock 
tho ooor sonl lor wonr nno tho prossuro nttings lor tightnoss.
Ot))eren1tut Pressure Pen Cuttbru1ton    (Rejer to puge J2}
To cnlibrnto tho DP pon.
1.    Mnko suro chnrt plnto is on snmo plnno nno Lush with hub Lnngo. Tho chnrt 
must bo Lnt with tho hub lockoo. Also, mnko suro tho pons nno pon nrms 
nro corroctl, connoctoo nno thnt tho, oo not intorloro with ono nnothor.
2.    With n chnrt lockoo into plnco, movo tho pon lrom zoro to lull spnn nno 
bnck to onsuro thnt tho pon trnvols nlong tho timo lino. ll nojustmonts nro 
nooooo. looson tho two pon mount scrows, nojust tho pon mount position 
until tho pon lollows tho timo lino, thon tighton tho pon mount scrows.
3.    Disconnoct tho oillorontinl prossuro orivo link lrom tho rnngo nrm. Movo 
both oillorontinl nno stntic prossuro pons to lull spnn. Aojust tho stntic pon 
so thnt pons nro npproximntol, 7-15 minutos npnrt b, nojusting tho stntic 
pon nrm mounting locntion on tho pon nrm shnlt nssombl,. Movo both pons 
to tho 50% inoicnting position. Ensuro thnt tho pons oon`t intorloro with 
ono nnothor. Aojust stntic pons ns nocossnr,, oo not nltor tho oillorontinl 
prossuro pon onco it hns boon nojustoo to tho timo lino.
4.    Assuro thnt thoro is onough pon prossuro ngninst tho chnrt to proouco n 
continuous lino. ll nocossnr,, nojust tho pon prossuro b, bonoing tho nrm 
in tho roquiroo oiroction.
5.    Lnlock tho Low rocoroor hub clip. Romovo tho chnrt nno chnrt plnto.
No1e - Prepure u culibrution churt bj cutting u churt into the ueJge shupe 
unJ gluing it to u piece oj similurlj shupeJ curJbourJ oj stijjener. This ullous 
culibrution oj the pens unJ permits uccess to the jou recorJer mechunism 
uhen linkuge uJjustments ure necessurj.
6.    Mount n cnlibrntion chnrt onto tho Low rocoroor hub. Lock tho chnrt in 
plnco. Movo ovorrnngo stops out ol pln,.
No1tce  Verijj thut ull linkuge is jree. AJjust runge urm unJ Jrioe urm 
ut preciselj the sume Jistunce buck oj the cuse. AJjust the leoer urm unJ 
pen zero uJjust screus to their miJpoints ull 90 miJscule linkuge ungles 
must be meusureJ.   
7. Apply 50% differential pressure to the high-pressure side. Arrange the
differential pressure linkage as shown on page 12. Set a 90 angle between the
drive arm and link. By varying the length of the link, set a 90 angle between
the range arm and link. Slip the range arm to 50% on the chart.
8. Remove pressure. The pen should indicate zero. If the pen deviates less than
10% from zero in either direction, perform fine adjustment by using the pen
zero adjust screw (refer to page 12) and proceed to step 8.b. If the pen deviates
more than 10% from zero, make adjustments as follows:
a. Rotate pen arm and shaft by gripping the range arm and forcing (or
slipping) the pen until it indicates zero. The pen arm and shaft should
rotate at the range arm pivot point without loosening the range arm lock
screw.
b. Apply 100% pressure. Make the necessary adjustment by turning the
range arm adjust screw counterclockwise if the pen is slightly underranged
and clockwise if the pen is slightly overranged. Repeat zero and 100%
adjustments until calibration at these points is achieved.
c. Apply 50% pressure. The pen should be on the 50% chart line.
If the pen is low, lengthen the linkage to make a correction 40 times as
great in the low direction. Adjust the pen to 50% as in step 8.a. (refer to
page 12).
If the pen is high, shorten the linkage to make a correction 40 times as
great in the high direction. Adjust the pen to 50% as in step 8.a. Assure all
linkage screws are retightened.
9. Repeat step 8 until calibration of all three points (0, 50, and 100% indication)
is achieved. To assure accuracy, a nine-point calibration check (1, 24, 50, 74,
and 100% ascending and descending) must be run.
14
15
14.  Chock tho pons to nssuro thnt tho, hnvo corroct pon prossuro ns proviousl, 
ooscriboo. ll nocossnr,, strnighton tho pons b, slioing thom botwoon two 
nngors nno curling thom in or out.
Adding Counterweight to 2 Pen (DP)     (Rolor to pngo 12}
A.   Fnbricntoo Countorwoight
       For 3 or 4 Pon Flow Rocoroors.
1.     Disconnoct tho orivo link lrom tho rnngo nrm.
2.     Romovo tho ^2 pon lrom tho pon mount (noto npproximnto position 
lrom rnngo nrm}.
3.     Romovo tho rnngo nrm lrom tho shnlt, nno slip tho countorwoight to 
nbout mio point. Position npproximntol, ns shown on pngo 12 nno 
socuro in plnco. Roplnco tho rnngo nrm to npproximnto position (noto 
stop 2} nno socuro in plnco.
4.     Ronssomblo in pon mount nno propnro lor cnlibrntion.
       For 2 Pon Flow Rocoroors.
1.     Disconnoct tho orivo link lrom tho rnngo nrm.
2.      Romovo tho ^2 pon lrom tho pon mount.
3.     Slip tho countorwoight ovor tho shnlt in lront ol tho pon (shnlt longth 
is npproximntol, 9,16} nno position npprox. ns shown on pngo 12 
nno socuro in plnco.
4.     Ronssomblo in pon mount nno propnro lor cnlibrntion.
B.  Dio Cnst Countorwoight
       Thoso countorwoights slip ovor tho pon shnlt without oisnssombl,. This is 
npplicnblo to n 2 pon or 3 pon nssombl,.
1.     Romovo lockscrow lrom countorwoight.
2.     Slip ovor ^2 shnlt nt nn, convoniont locntion. Roplnco lockscrow cnro-
lull,, orionting tho countorwoight in tho position shown on pngo 12. 
Note: Tho countorwoight is oio cnst zinc, subjoct to bonoing il too 
much torquo is npplioo to tho lockscrow.
C.    Cnlibrntion
1.     Altor romovnl ol tho rnngo nrm, comploto rocnlibrntion is roquiroo. ln 
tho provious soction CALlBRATlN F DlFFERENTlAL PRESSLRE 
PEN, incluoo stop 7. sot tho countorwoight to tho 3 o`clock position 
shown on pngo 12 with tho oillorontinl sot nt 50%.
2.     Altor tho nooition ol tho countorwoight in lront ol tho DP (^2} pon, 
nppl, 50% oillorontinl nno sot tho countorwoight nt tho 3 o`clock 
position. 
       1-5. Tho nooition ol tho countorwoight cnusos n zoro ollsot, but hns 
littlo olloct on spnn. Rosot zoro, chock spnn nno nojust ns nocossnr,.
3.     Altor nooition ol tho oio cnst countorwoight, oriont to 3 o`clock position 
nt 50% oillorontinl ns shown on pngo 12. Rosot zoro nno chock spnn. 
Aojust ns nocossnr, lor propor cnlibrntion.
16
SP Pen Mechuntsm
17
Static Pressure Pen Calibration    (Rolor to pngo 16}
To cnlibrnto tho stntic prossuro pon nno nssocintoo linkngo, procooo ns lollows.
1.    Aojust tho stntic rnngo nrm nno orivo nrm nt procisol, tho snmo oistnnco 
lrom tho bnck ol tho cnso.
2.    Plnco stntic orivo link in tho lourth holo lrom tho pon shnlt ol tho rnngo nrm.
3.    Aojust stntic prossuro linkngo to lorm 90 nnglos botwoon tho orivo link (soo 
nbovo illustrntion} nno pivot points ol tho nssocintoo linkngo, ns lollows.
n.     Appl,  50% stntic prossuro, contor thumb nut on tho orivo nrm, nno 
nrrnngo stntic linkngo ns shown on pngo 16.
b.     Sot n 90 nnglo botwoon orivo nrm & link. Tighton clnmp block scrow.
c.     Vnr, tho longth ol link to got n 90 nnglo botwoon rnngo nrm nno link. 
o.     Slip tho rnngo nrm on pon shnlt to 50% on chnrt.
No1tce  Verijj thut ull linkuge is jree. AJjust runge urm unJ Jrioe urm 
ut preciselj the sume Jistunce buck oj the cuse. AJjust the leoer urm unJ 
pen zero uJjust screus to their miJpoints ull 90 miJscule linkuge ungles 
must be meusureJ. 
4.    Rolonso prossuro nno rosot tho pon to zoro inoicntion, using pon zoro nojust 
scrow lor nno nojustmont (10% or loss}. For mnjor nojustmonts (moro thnn 
10%}, looson rnngo nrm lock scrow nno slip tho pon to zoro on chnrt nno 
rotighton lock scrow.
No1e  lt muj be necessurj to ruise or louer the pioot point oj the Jrioe 
link on the runge urm, us in step 3. lj counterclockuise mooement oj thumb 
nut (step 5} Joes not increuse spun sujjcientlj, mooe the pioot pin up to 
next pioot hole, ij clockuise, mooement oj the thumb nut Joes not Jecreuse 
spun sujjcientlj, mooe pioot pin Joun to the next pioot hole.
5.    Appl, 100% prossuro nno obsorvo tho pon. Mnko tho nocossnr, nojustmonts 
b, turning tho orivo nrm thumb nut countorclockwiso il tho pon is slightl, 
unoorrnngoo nno clockwiso il tho pon is slightl, ovorrnngoo. Ropont zoro 
nno 100% nojustmont until cnlibrntion nt thoso two points is nchiovoo.
6.    Ropont stops 3, 4, nno 5 until lull scnlo cnlibrntion is obtninoo.
7.    Appl, 50% prossuro nno obsorvo pon inoicntion.
n.     ll pon inoicntos high or low, nojust orivo link to mnko n corroction 
npproximntol, 40 timos tho orror - in tho oiroction ol tho orror.
b.     Rosot tho pon to tho 50% lino b, slipping tho pon shnlt nt tho rnngo 
nrm pivot point.
c.     Ropont this stop (7}, ns nocossnr,.
8.    Rolonso prossuro nno rosot tho pon to zoro inoicntion, using pon zoro nojust 
scrow lor prociso nojustmont.
9.    Ropont stops 4 through 8 until cnlibrntion ol zoro, linonrit,, nno spnn (0%, 
50%, nno 100% inoicntion} is nchiovoo.
10.   Assuro rnngo nrm lock scrows, thumb nut lock scrow, nno link scrows nro tight.
11.   Roconnoct tho DP link nno rnngo nrm.
12.   Lnlock tho rocoroor hub clip nno romovo tompornr, cnlibrntion chnrt.
13.   Roplnco tho chnrt plnto b, slioing it into tho chnrt plnto rotninor brnckots nno 
ongnging onch sioo into tho chnrt plnto lntchos.
18
Static Pressure Element Replacement
ll tho stntic prossuro olomont nooos roplncomont, procooo ns lollows.
1.    Closo nll vnlvos nno turn oll tho powor switch to tho rocoroor.
2.    Sopnrnto tho orivo link nrm b, oponing tho link tnblo nno oisongnging tho 
pivot pin lrom tho clnmp.
3.    Looson tho clnmp block scrow on tho lovor nrm nssombl, nno sopnrnto tho 
orivo nrm lrom tho stntic prossuro olomont shnlt.
4.    Disconnoct tho tubing lrom tho stntic prossuro olomont nt tho tubing con-
noction (rolor to pngo 16}.
5.    Romovo tho mounting scrows lrom tho stntic prossuro olomont nno oiscnro 
tho onmngoo olomont.
6.    lnstnll tho now olomont, using tho olo mounting scrows.
7.    Connoct tubing to tho olomont nt tho tubing connoction.
8.    Assomblo tho lovor nrm nssombl, onto tho stntic prossuro olomont shnlt, oo 
not tighton tho clnmp block scrow ,ot.
9.    Connoct tho orivo link to tho orivo nrm b, ongnging tho pivot pin nno 
locking tho link tnb into plnco.
10.   Align tho stntic prossuro linkngo (rnngo nrm, orivo link, nno orivo nrm} so 
thnt it lios in tho snmo plnno without binoing or bonoing.
11.   Tighton clnmp block scrow.
12.   Cnlibrnto in nccoronnco with tho procoouro outlinoo in SP Pon Cnlibrntion 
on pngo 17.
Chart Drive Replacement
To roplnco tho chnrt orivo, procooo ns lollows.
1.    Rolonso tho prossuro to tho rocoroor.
2.    Turn oll tho chnrt orivo.
3.    Rniso tho pon liltor nno romovo tho chnrt nno chnrt plnto.
4.    Romovo chnrt orivo mounting scrows nno romovo chnrt orivo.
5.    Position now chnrt orivo nt tho bnck ol rocoroor cnso nno nttnch with 
mounting scrows.
6.    Roplnco chnrt plnto nno chnrt. Lowor tho pon to tho rocoroing position.
7.    Chock tho timo lino on nrst pon lrom chnrt, zoro, nno spnn olomonts.
Linkage Adjustments   (soo linkngo illustrntion on pngo 19}
A.    Rnngo Arm nno Drivo Arm Lock Scrows.
       Note: Tightoning lock scrows nngortight is olton not tight onough, but 
tightoning thom moro thnn n lull turn olton bronks thom. 
1.     Tighton tho lock scrow until snug.
2.     Holo tho orivo nrm nt tho clnmp block b, hnno or with n 1,4-inch opon 
wronch. ll n wronch is usoo, plnco it botwoon tho torquo tubo shnlt 
nno tho lock scrow, tnking cnro not to onmngo tho torquo tubo shnlt 
or bonring. (ln tho cnso ol tho rnngo nrm lock scrow, plnco tho wronch 
botwoon tho shnlt nno lock scrow.}
3.     Tighton tho lock scrow 1,3 to 1,2 turn bo,ono snug.
19
A.    Runge Arm unJ Drioe Arm Lock 5creus (ContinueJ}
4.     Tost lor tightnoss b, moving lroo ono ol orivo nrm npproximntol, 1,2-
inch in oithor oiroction. Drivo nrm shoulo spring bnck without ,ioloing. 
B.    vorrnngo Stops Aojustmont (Rolor to pngos 2 nno 12}
No1e - Prepure u culibrution churt bj cutting u churt into the ueJge shupe 
shoun on puge J2 unJ gluing it to u piece oj similurlj shupeJ curJbourJ oj 
stijjener. This ullous culibrution oj the pens unJ permits uccess to the jou 
recorJer mechunism uhen linkuge uJjustments ure necessurj.
       vorrnngo stops mn, bo nojustoo to provont tho pon lrom oxcossivo 
ovortrnvol (chock lor intorloronco nt zoro nno lull spnn}, por tho lollowing.
1.     Lnlock tho Low rocoroor hub clip. Romovo tho chnrt.
2.     Romovo tho chnrt plnto b, oisongnging tho chnrt plnto lntchos on both 
sioos nno slioing tho chnrt plnto rotninor brnckots.
3.     Mount n cnlibrntion chnrt onto tho Low rocoroor hub nno lock in plnco.
4.     Looson tho scrows on zoro nno lull scnlo ovorrnngo stops.
5.     Vont tho DPL low-prossuro housing. Appl, sulnciont prossuro to tho 
high-prossuro housing to movo tho pon npproximntol, 3,8-inch nbovo 
100% inoicntion.
6.     Position tho zoro ovorrnngo stop so thnt it contncts tho orivo nrm.
7.     Tighton tho zoro scnlo ovorrnngo stop scrow.
8.     Appl, sulnciont prossuro to tho DPL low-prossuro housing to movo tho 
pon npproximntol, 3,8-inch bolow zoro inoicntion.
9.     Position tho lull scnlo ovorrnngo stop so it is in contnct with orivo nrm.
10.   Tighton tho lull scnlo ovorrnngo stop scrow.
11.   Lnlock tho Low rocoroor hub clip. Romovo tompornr, cnlibrntion chnrt.
12.   Roplnco tho chnrt plnto b, slioing it into tho chnrt plnto rotninor 
brnckots nno ongnging onch sioo into tho chnrt plnto lntchos.
13.   lnstnll n rogulnr rocoroor chnrt nno lock it into plnco with chnrt hub clip.
14.   Chock tho pons to mnko suro thnt tho, touch tho chnrt, il nocossnr,, 
strnighton pons b, slioing thom botwoon two nngors nno curling in 
nno out.
21
CAUT1ON
1F THE ACCUMULAT1ON OF MATER1AL 1NS1OE THE HOUS1NG 1S 
EXTENS1VE, RAP1O REMOVAL OF THE HOUS1NG MAY OAMAGE 
THE BELLOWS CONVOLUT1ONS.
3.     Romovo tho nccumulntion lrom botwoon tho bollows convolutions nno 
lrom tho insioo ol tho housings.  Lso n solvont il possiblo.  Do not uso n 
shnrp instrumont to clonn botwoon convolutions.
4.     Assuro thnt thoro nro no brokon rnngo springs.
5.     Roplnco tho housings nno -rings.
6.     Sot tho prossuro housing bolts to tho TORQUE VALUES listoo bolow.
22
Runge Chunge
Chnnging tho rnngo ol tho Moool 199 DPL roquiros roplncing tho bollows unit 
nssombl, with n unit ol tho oosiroo rnngo (soo BLA Roplncomont, pngo 25}.
WARN1NG
(H1GH-PRESSURE GAS 1NSTALLAT1ONS)
(PRESSURES GREATER THAN 200 PS1)
H1GH-PRESSURE GAS HAZARO ON O1SASSEMBLY OF THE OPU. 
BEFORE REMOV1NG THE OPU HOUS1NG BOLTS, PERFORM THE 
PRESSURE CHECH PROCEOURE
(See Cteuntng und 1nspec1ton on puge 20).
NOTE - Tho cnlibrntion rnngo ol tho DPL wns cnrolull, sot nt tho lnctor,.  Tho 
lollowing procoouro mnintnins tho originnl lnctor, bollows trnvol sotting whilo 
tho rnngo spring chnngo is porlormoo. This procedure must be strictl 
lollowed while changing the range spring assembl or altering the 
adjustment.
To roplnco tho rnngo spring nssombl, with oithor n now nssombl, ol tho snmo 
rnngo or ono with n oilloront rnngo vnluo, procooo ns lollows (this procoouro 
nssumos thnt tho DPL is oithor connoctoo to nn inoicnting instrumont or nttoo 
with n scnlo nno pointor to monsuro torquo tubo shnlt movomont}.
A.    2-1,8-lnch Dinmotor Bollows
1.     Romovo tho DPL lrom sorvico .
2.     Romovo tho prossuro housing bolts nno tho low-prossuro housing.
3.     With tho pointor nt zoro, romovo tho spring rotninor scrow, rotninor 
springs, nno tho rnngo spring nssombl,.
NOTE - Tho pointor will shilt lrom zoro.  This is n  normnl nction nno tho 
pointor shoulo not bo ronojustoo nt this point.
4.     lnstnll tho now rnngo spring nssombl, onto tho push roo, nno roplnco 
tho spring rotninor scrow.
5.     ll tho pointor is sot nbovo zoro, rotnto tho spring nojustmont clockwiso 
until tho pointor is sot nt zoro.  ll tho pointor is bolow zoro rotnto tho 
spring nojustmont contorclockwiso until tho pointor is sot nt zoro.
6.     Roplnco nno tighton tho lock nut.  ll tho pointor shilts lrom zoro, looson 
tho lock nut nno rosot tho pointor ns in stop 5.  Tighton tho lock nut.
7.     Roplnco tho low-prossuro housing nno bolts (now gnskots nro rocom-
monooo}.  Lso tho torquo vnluos listoo on pngo 21.
8.     Cnlibrnto in nccoronnco with tho tochnicnl mnnunl lor tho nctuntoo 
instrumont.
B.    3-3,4-lnch Dinmotor Bollows Without Kickoll Spring (nbovo 50-inchos w.c.}
1.     Romovo tho instrumont lrom sorvico.
2.     Romovo tho prossuro housing bolts nno tho low-prossuro housing.
3.     With tho pointor sot nt zoro, romovo tho lock nut rotninor nuts, nno tho 
rnngo spring nssombl,.  To romovo tho rnngo spring nssombl,, rotnto 
tho nssombl, countorclockwiso whilo pulling outwnro on tho nssombl,.
NOTE - Tho pointor will shilt lrom zoro.  This is n normnl nction nno tho 
pointor shoulo not bo ronojustoo nt this point.
23
B.    3-3,4-lnch Dinmotor Bollows Without Kickoll Spring (Continuoo}
4.     Throno tho now nssombl, onto tho push roo, nno nlign tho holos in 
tho rnngo spring nssombl, with tho spring posts.  Roplnco nno tighton 
tho rotninor nuts.
5.     Lsing n spnnnor wronch, rotnto tho spring nojustmont until tho pointor 
is sot nt oxnct zoro. Roplnco nno tighton tho lock nut.  Tho pointor must 
romnin nt tho zoro sotting.  ll tho pointor shilts lrom zoro, looson tho 
lock nut nno ropont this stop.
6.     Roplnco tho low-prossuro housing nno bolts (now gnskots nro rocom-
monooo}.  Lso tho toquo vnluos listoo on pngo 21.
7.     Cnlibrnto in nccoronnco with tho tochnicnl mnnunl lor tho nctuntoo 
instrumont.
C.    3-3,4-lnch Dinmotor Bollows With Kickoll (nnti-stick} Spring
NOTE - Tho kickoll spring is supplioo with tho 0-40 w.c. nno lowor rnngo 
DPLs ns stnnonro oquipmont.  lt is optionnl with 0-50 w.c. DPLs.
1.     Romovo tho instrumont  lrom sorvico.  Sot tho pointor (or pon} nt zoro, 
using tho instrumont zoro nojustmont.
2.     Romovo tho prossuro housing bolts nno romovo tho low-prossuro hous-
ing.  
3.     With tho pointor sot nt zoro, romovo tho lock nut, lour spring rotninor 
nuts, wnshor nno lock nut, nno rnngo spring nssombl,.
NOTE - Tho pointor will shilt lrom zoro.  This is n normnl nction nno tho 
pointor shoulo not bo ronojustoo nt this timo.
4.     lnstnll tho rnngo spring nssombl,, using n 1,2-inch opon-onooo wronch 
to connoct tho push roo to tho low-prossuro bollows cup.
NOTE - Tho rnngo spring nssombl, consists ol tho rnngo springs, kickoll 
spring nssombl,, nno tho push roo.  Tho nssombl, is lurnishoo ns n comploto 
nno nssombloo unit.
5.     Position tho rnngo spring nssombl, ovor tho rotninor posts nno roplnco 
tho rotninor nuts.
24
6.     lnsort tho tubing botwoon tho rnngo springs nno tighton tho inbonro 
lock nut.
7.     Zoro tho pointor b, nojusting tho spuo on tho push roo.  Bo suro thnt 
tho kickoll spring is not ongngoo ouring this oporntion.  
8.     Position tho kickoll spring to provont intorloronco with tho coil springs 
nno tighton tho kickoll spring lock nut.  ll clonrnnco is nooooo lor tho 
wronch ouring this oporntion, noto tho position ol tho spuo (monsuro 
with n scnlo or count thronos to tho ono ol tho push roo} nno movo tho 
spuo lor tho roquiroo clonrnnco.  Altor tho lock nut is tightonoo, roturn 
tho spuo to tho originnl position.
NOTE - Tho lock nut roquiros n spocinl wronch lor tightoning. Soo illustrntion 
bolow lor inlormntion on how to mooil, n 7,16-inch, 12 point  box wronch.
9.     Chock tho bnck-clonrnnco botwoon tho kickoll spring nno tho slot.  Lso 
n wiro loolor gngo or compnrnblo monsuring oovico.  Tho clonrnnco 
will vnr, botwoon onch inoiviounl slot but must bo nt lonst 0.005-inch 
lor nn, ono slot to provont intorloronco with instrumont zoro.  Aoo or 
romovo wnshors ns roquiroo to obtnin tho propor clonrnnco.  Tighton 
tho lock nut socurol,.
10.   lnstnll tho jnm nut nno lock tho spuo to tho push roo.  Holo with pliors. 
ll tho spuo wns movoo in stop 9, roturn tho spuo to tho propor position 
boloro tightoning tho jnm nut.
11.   Appl, 100 porcont nogntivo prossuro to tho high-prossuro sioo ol tho 
DPL nno ropont tho clonrnnco chock nno nojustmont ol stop 9.
12.   Appl, 100 porcont positivo prossuro to tho high-prossuro sioo ol tho 
DPL nno ropont tho clonrnnco chock nno nojustmont ol stop 9.
13.   Rolonso nll prossuro lrom tho instrumont nno roplnco tho low-prossuro 
housing.  Lso now gnskots.
14.   Roplnco tho housing bolts.  Lso tho torquo vnluos listoo on pngo 21.
Se11tng Bettous Truuet
Tho trnvol ol tho DPL bollows must bo nojustoo il ono ol tho lollowing occurs.
1.    Tho rnngo spring nssombl, is romovoo without lollowing tho procoouro.
2.    Brokon rnngo springs nro roplncoo.
3.    Tho inoicntor pointor hns oxcossivo ovortrnvol.
4.    Tho inoicntor pointor hns oxcossivo unoortrnvol.
To sot tho bollows trnvol roquiros thnt tho DPL bo nttnchoo to tho nctuntoo 
instrumont nno connoctoo to n tost prossuro sourco.  Tho procoouro lor this 
nojustmont is prosontoo in tho tochnicnl mnnunl ol tho nctuntoo instrumont.
25
Bettous Unt1 Assembt (BUA) Reptucemen1    (Rolor to pngo 6.}
WARN1NG
(H1GH-PRESSURE GAS 1NSTALLAT1ONS ANO PRESSURES 
GREATER THAN 200 PS1)
H1GH-PRESSURE GAS HAZARO ON O1SASSEMBLY OF THE OPU.
BEFORE REMOV1NG THE OPU HOUS1NG BOLTS, PERFORM THE 
PRESSURE CHECH PROCEOURE ON PAGE 20).
NOTES - Support tho DPL ouring oisnssombl,. Do not looson tho orivo nrm 
holo plug locntoo in tho top ol tho BLA contor plnto, whon romoving tho 
mounting brnckot.  ll tho plug is loosonoo, tho bollows nll Luio will bo lost.
Tho roloronco oosignntions (^} rolnto to 199 Pnrts Drnwing on pngo 37.45.
1.    Disconnoct tho DPL piping nno romovo tho instrumont lrom sorvico. 
2.    Looson tho nctuntoo instrumont orivo nrm nno slioo oll ol tho torquo tubo 
shnlt.  Do not oisconnoct tho instrumont linkngo.
3.    Romovo tho lour cnso-rotnining scrows nno romovo tho cnso nssombl,.
4.    Romovo throo mounting brnckot scrows nno romovo brnckot (18}. 
5.    Romovo tho prossuro housings bolts nno prossuro housings (26}. 
6.    Plnco tho prossuro housings (26} on tho roplncomont bollows unit nssombl, 
(1} nno insort nno stnrt (onl,} tho prossuro housing bolts.
7.    Attnch tho cnso mounting brnckot  (18} to tho roplncomont nssombl,, using 
throo mounting brnckot scrows.
8.    Support tho DPL nno tighton nno torquo tho prossuro housing bolts to tho 
spocincntions listoo on pngo 21.
9.    Attnch tho cnso nssombl, using lour cnso rotnining  scrows.
10.   Attnch linkngo to DPL 
torquo tubo shnlt.
n.     Tighton clnmp scrow 
until snug.
b.     Tighton lurthor, 1,3 
to 1,2 turn ol scrow.
c.     Tost b, moving ono 
ol orivo nrm, npprox. 
1,2.
11.   Roplnco,nojust compo-
nonts romovoo or movoo 
to gnin nccoss to DPL 
cnso mounting scrows.
12.   Cnlibrnto tho instrumont 
boloro roturning it to sor-
vico.
26
SECTlON 4 - TROUBLESHOOTlNG
Recorder Troubteshoo1tng Tubte
m e I b o r P
  e I b i s s o P
s e c r u o S
  e s u a C e I b a b o r P   n o i t c A e v i t c e r r o C
o N r o w o L
n o i t a c i d n 
m s i n a h c e M
s t n e m e v o m r o s k n i l e s o o L   e c a l p e r r o n e t h g i T
n o i t a r b i l a C f o t u O   e t a r b i l a c e R
m s i n a h c e m n i t r i d r o n o i s o r r o C   e c a l p e r r o n a e l C
e s o o l m r a n e P   n e t h g i T
m r a n e P   t n e b m r a n e P   m r a n e p e c a l p e r r o n e t h g i a r t S
h g i H
n o i t a c i d n 
  m s i n a h c e M
s t n e m e v o m r o s k n i l e s o o L   e c a l p e r r o n e t h g i T
n o i t a r b i l a c f o t u O   e t a r b i l a c e R
c i t a r r E
n o i t a c i d n 
g n i t n u o M   n o i t a r b i v e v i s s e c x E   g n i t n u o m f o s n a e m e h t e r u c e S
m s i n a h c e M
y t r i d r o g n i g g a r d e g a k n i L   n a e l c r o t s u j d A
t r a h c n o e r u s s e r p n e p e v i s s e c x E   t s u j d A
t r a h C o N
n o i t a t o R
e s u F   n w o l B e s u F   e s u F e c a l p e R d n a k c e h C
e v i r D t r a h C
n o d e n r u t t o n e v i r d c i r t c e l E   e v i r D t r a h C n o n r u T
d n u o w t o n r o t o m k c o l C   e v i r D t r a h C d n i W
e v i r D e v i t c e f e D   e v i r D e c a l p e R
g n o r W
t r a h C
d e e p S
b u H t r a h C
k c o L
  d e h c t a l t o n k c o L   k c o L b u H h c t a L
e v i r D t r a h C   e v i r D t r a h C g n o r W   e v i r D t r a h C r e p o r p h t i w e c a l p e R
27
OPU Troubteshoo1tng Tubte
m e I b o r P
  e I b i s s o P
s e c r u o S
  e s u a C e I b a b o r P   n o i t c A e v i t c e r r o C
o N r o w o L
n o i t a c i d n 
y r a m i r P
r o t n e m e l E
U P D
d e z i s r e v O r o s d r a w k c a B d e l l a t s n  e c i f i r O   e c i f i r O e c a l p e R
n u R m o r f m a e r t s p U d e k c o l B w o l F   e v l a V n e p O r o n u R t u O n a e l C
) l e v e L d i u q i L ( g e L e c n e r e f e R n i d i u q i L f o s s o L   g e L e c n e r e f e R l l i f e R
r o a i d e M s s e c o r P n i s e g n a h C y t i s n e D
g e L e c n e r e f e R
e m a S h t i w g e L e c n e r e f e R l l i f e R
a i d e M s s e c o r P s a d i u q i L y t i s n e D
m o r f g n i p i P
y r a m i r P
o t t n e m e l E
U P D
g n i p i P r o / d n a d e g g u l p s e l o h p a t e r u s s e r P
d e g g u l P
  g n i p i P t u O n a e l C
g n i k a e L r o n e p O e v l a V s s a p y B
  r i a p e R r o ) s ( e v l a V s s a p y B e s o l C
s k a e L
g n i p i P n i d e p p a r T s e s a G r o s d i u q i L   g n i p i P t n e V
d e s o l C s e v l a V f f o - f u h S r o k c o l B   s e v l a V f f o - t u h S r o k c o l B n e p O
e d i S e r u s s e r P h g i H n o s k a e L g n i p i P   s k a e L r i a p e R
t i n U s w o l l e B
g n i t c i r t s e R s d i l o S h t i w p U d e l l i F s g n i s u o H
t n e m e v o M s w o l l e B
  g n i s u o H t u O n a e l C
r o e c i v r e S d i u q i L n i g n i s u o H n i d e p p a r T s a G
e c i v r e S s a G n i g n i s u o H n i d e p p a r T d i u q i L
  g n i s u o H t n e V
s k a e L t e k s a G g n i s u o H e r u s s e r P h g i H   t e k s a G e c a l p e R
h t i W d e r e p m a T U P D   r i a p e R r o f A U B n r u t e R
h g i H
n o i t a c i d n 
y r a m i r P
e c r u o S
  l l a m S o o t r o d e t c i r t s e R y l l a i t r a P e c i f i r O   e c a l p e R r o t u O n a e l C
m o r f g n i p i P
y r a m i r P
o t t n e m e l E
U P D
g n i p i P e d i S e r u s s e r P w o L n i k a e L   r i a p e R
t i n U s w o l l e B
n i g n i s u o H e r u s s e r P w o L n i d e p p a r T s a G
n i g n i s u o H n i d e p p a r T d i u q i L r o e c i v r e S d i u q i L
e c i v r e S s a G
g n i s u o H t n e V
s k a e L t e k s a G g n i s u o H e r u s s e r P w o L   t e k s a G e c a l p e R
h t i W d e r e p m a T U P D r o n e k o r B g n i r p S e g n a R   r i a p e R r o f A U B n r u t e R
c i t a r r E
n o i t a c i d n 
y r a m i r P
t n e m e l E
  g n i t a s l u P w o l F
  m a e r t s p U e c i v e D g n i n e p m a D l l a t s n 
n u R U P D f o
m o r f g n i p i P
y r a m i r P
o t t n e m e l E
U P D
e l b b u B s a G r o g n i p i P s a G n i d e p p a r T d i u q i L
g n i p i P d i u q i L n i
  e v o m e R
d e l l a t s n  y l t c e r r o c n  r o t a r e n e G r o p a V   e p i p e R
g n i z i r o p a V d i u q i L r o y s s a G g e L e c n e r e f e R   s n o i t c u r t s n  g n i p i P e e S
t i n U s w o l l e B
l e v a r T s w o l l e B d e t c u r t s b O   s w o l l e B n a e l C
w o L r o e r u s s e r P h g i H U P D n i d e p p a r T s a G
g n i s u o H e r u s s e r P
  ) e r u d e c o r P p u t r a t S e e S ( e v o m e R
28
SECTlON 5 - lNSTALL/DlMENSlONAL DRAWlNGS
Modet 202E (0202-1010.3)
29
30
SECTlON 5 - lNSTALL/DlMENSlONAL DRAWlNGS (Cont.}
Modet 202E u/Temp. Etemen1 (0202-1011.3)
31
32
SECTlON 5 - lNSTALL/DlMENSlONAL DRAWlNGS (Cont.}
Modet 199 OPU (0199.0903.3)
33
34
202E Pur1s Oruutng
SECTlON 6 - PARTS DRAWlNG/LlST
35
202E Pur1s Lts1
36
202E Pur1s Lts1 (continueJ}
37
199 OPU Pur1s Oruutng
38
199 OPU Pur1s Lts1
39
199 OPU Spect)cu1tons
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48
Instrument Specifcations
Case....................................... Die-cast.aluminum,.black.epoxy.resin.paint,.
waterproof.and.weather.resistant;.hinged.door;.
neoprene.gasket.seal
DP.Accuracy:
0-20.w.c..to.0-349.w.c.......... 0.5%.of.full.scale
0-350.w.c..to.0-75.psi............ 0.75%.of.full.scale
SP.Accuracy............................ 1.0%.of.full.scale
49
50
51
Product Warranty
A.  Warranty
  Cameron International Corporation ("Cameron") warrants that at the time of ship-
ment, the products manufactured by Cameron and sold hereunder will be free from 
defects in material and workmanship, and will conform to the specifcations furnished 
by or approved by Cameron. 
B.  Warranty Adjustment
(1)  If any defect within this warranty appears, Buyer shall notify Cameron immedi-
ately.
(2)  Cameron agrees to repair or furnish a replacement for, but not install, any prod-
uct which within one (1) year from the date of shipment by Cameron shall, upon 
test and examination by Cameron, prove defective within the above warranty.
(3)  No product will be accepted for return or replacement without the written 
authorization of Cameron. Upon such authorization, and in accordance with 
instructions by Cameron, the product will be returned shipping charges prepaid 
by Buyer. Replacements made under this warranty will be shipped prepaid.
C. Exclusions from Warranty
(1)  THE FOREGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER 
EXPRESSED OR IMPLIED WARRANTIES OF MERCHANTABILITY, OR FITNESS 
FOR  
A PARTICULAR PURPOSE, OR OTHERWISE.
(2)  Components manufactured by any supplier other than Cameron shall bear only 
the warranty made by the manufacturer of that product, and Cameron assumes no 
responsibility for the performance or reliability of the unit as a whole.
(3)  "In no event shall Cameron be liable for indirect, incidental, or consequential dam-
ages nor shall the liability of Cameron arising in connection with any products sold 
hereunder (whether such liability arises from a claim based on contract, warranty, tort, 
or otherwise) exceed the actual amount paid by Buyer to Cameron for the products 
delivered hereunder."
(4)  The warranty does not extend to any product manufactured by Cameron which has 
been subjected to misuse, neglect, accident, improper installation or to use in violation 
of instructions furnished by Cameron.
(5)  The warranty does not extend to or apply to any unit which has been repaired or 
altered at any place other than at Cameron's factory or service locations by persons 
not expressly approved by Cameron.
Product Brand 
Barton is a registered trademark of Cameron International Corporation  
("Cameron").
Formerly: NuFlo Measurement Systems  Barton Instrument Systems  Caldon, Inc.
ME AS UR E ME NT   S YS T E MS
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