Radar Level Transmitter

Accuracy and tracking performance extremely improved

Radar Level Transmitter

Version
upgrade

MWLM - PR26 Series

Powder

Liquid
 Extended the product warra
Matsushima's radar level transmitter is manufactured domestically from software to hardware,
so it can be delivered quickly with stable supply, and also support our customers with quick
maintenance. Since Matshushima has 60 years of experience in measurement control,
we are able to meet our customer's requests regarding installation to the facilities.

Customization
Customize the level meter for suitable measuring environments and usage. Able to provide
customized level meter in applications that have restrictions under high temperature and high
pressure areas.

Special antenna PTFE coating antenna

(installation limitation) (against material coating)

Sunshade Cover Flat Antenna Cooling box Heat protection fin Dust cap
(installation limitation) (installation limitation) (high temperature) (high temperature) (against dust intrusion)

Measuring Principle Explosion-proof type

The microwave Reflection intensity Intrinsically safe construction Ex ia ⅡB T4 X (TIIS)
level meter hazardous area non-hazardous area
measures the time Echo detection
curve
from when the level
meter emits pulse Zone1,
radar waves from Reflected waves Zone2
from tank DC20～32V
the antenna to protrusions
Power
when the waves supply
(echoes) reflected
Reflected wave from Zon0,
from the object to the surface of the Zone1, Output
be measured return measuring object Zone2
DC4～20mA
to the meter, which
is then calculated Distance Intrinsic Safety type Safety barrier
into a distance. Radar Transmitter
KFD2-STC4-Eｘ1
MWLM-PR26H7SEx
2 *Remark: MWLM-PR26C1G cannot be applied in Zon0.
ranty period to 2 years.
Flexible
customiza
capability

Applications
Applies to a variety of applications and flexible customization capability
based on our long experience and know-how.

Usage in Applications

Material Silo Chemical Tank Food Silo

If there’s no space to install on By attaching the PTFE Narrow beam angle allows to
top of the silo, it is able to antenna, it is able to measure measure inside a thin, long
measure from the side of the corrosive chemicals. grain silos.
silo.

Water level Incinerator Tripper conveyor

Mobile tripper

Combustion air

Able to continuously measure Even if antenna is not allowed It can follow a sudden level
without being affected by rain, to be put inside, it can be change in bunker. Dust and
wind, and snow. measured by flat antenna vapor do not influence level
type. measurement.

Vertical shaft/crusher Guided piping Material to be eaily built up

It is suitable for vertial shaft or The liquid level can be PTFE coating antenna prevents
crusher due to high measured without foam the material from being built up
tracking-speed performance. intrusion into piping. on the antenna, and results in
stable level measurement.
 Well experienced in Displays with 4 languages
ation
Application Supports Outstanding operation

Easy Operation
Simple and precise operation possible. Site maintenance with simple hand
communicator "GRAPHIC COM4". Remote operation with customer friendly software.

"GRAPHIC COM 4 ", a detachable LCD The PC with adjustment software allows
Local adjuster, has a liquid crystal display with Remote easy operation for complex parameter
high - visibility. You can see waveforms in settings.
Operation real time while monitoring, and you can Operation
adjust settings if needed.

HART Communication

Data communication
cable (option)
GRAPHIC COM4 Real time indication for
on the sensor head measurement situation

Software Features
∙ Real time indication for measurement
situation
∙ Make adjustment
∙ Check waveforms while monitoring and store
the data
∙ Record trends
∙ Languages: Japanese, English, Chinese, and
Korean

Version
upgrade High measuring performance under any conditions

①Improved accuarcy ②Improved tracking speed

Double measuring accuracy! Faster response time & better tracking performance than Ultrasonic sensor
10 11.2s
Model Before New version n) 9.0s
versio
Response time(ｓ)

er r
r (form itte
Rada sm
For powder ≦1．
2ｍ：±20mm 6.2s
ct ran
±50mm oni
H7、H3 ＞1．
2ｍ：±10mm 5 ras
Ult ) 5.2s
2.6s
ew v ersion
Ra dar (n cf., 10m level change tracked by
For liquid ≦1．
2ｍ：±30mm 1.6s fastest 1.6 sec.oved accuarcy
±50mm
H2、H1、C1 ＞1．
2ｍ：±20mm 0 10m 70m
Measuring distance(m)
*Response time depends on measuring distance & adjustments

③Expanded allowable power supply ④Wiring distance increased

Reliable under unstable power circumstances where Load resistance has improved from 499Ω to 655Ω!!
voltage fluctuates Max. wiring distance extended.
LCD display Before New version
Before New version
No LCD DC20～32V DC13～36V Max. wiring
distance 4.5km 7.5km
With LCD DC20～32V DC16～36V
Conditions：Power supply DC24V, Load resistance 250Ω,
Remark: 20 -32V for Ex-proof type Cable (AWG#18, dia.0.75m㎡, Load resistance 26Ω/km)

4
For Liquid Specifications
Model MWLM-PR26C* MWLM-PR26H*
Product Code MWLM-PR26C1G* MWLM-PR26H1G MWLM-PR26H2G* MWLM-PR26H2F*
Antenna Cone Horn
Power Supply
Standard: DC13 - 36V 1 DC16V or more is required for LCD unit.
*
Power Consumption
Ex-proof: DC20 - 32V 2 Power supplied by safety barrier KFD2-STC4-Ex1
Standard type: Approx. 704mW, Explosion-proof: Approx. 540mW
*
Mounting G2 Thread G1 Thread G1 1/2 Thread JIS5K50A Flange
Dead Zone 0.5m (1.64ft) below the antenna
Max Measurable Distance 10.0 ｍ (33ft) from measuring reference zero point 20.0 ｍ (66ft) from measuring reference zero point
Transmitting Frequency Approx. 26GHz
Transmitting Cycle Every 83ms
Beam Angle Approx. 24 (approx. 48deg. including side beam) Approx. 18 (approx. 36deg. including side beam)
Resolution 1mm
Allowable Fluctuation Rate 10cm/s
Repeatability Within 1.2m (3.94ft) or less: ± 30mm (1.18in), Over 1.2m (3.94ft) or more: ± 20mm (0.78in) or ± 0.04% of measurement range (Whichever is greater)
Accuracy
Temp. Error Standard: ± 0.03％ /10K, Ex-proof: 0.06%/6K
Standard: -40 ∼ +80℃ (-40 ∼ +176℉ ), With LCD: -20 ∼ +60℃ (-4 ∼ +140℉ ), Ex-proof: -20 ∼ +50℃ (-4 ∼ +122℉ )
Ambient Housing
1 hour is required to warm up the device if the temperature is lower than -20℃ (-4℉ ).
Temperature
Antenna Standard: -40 ∼ +150℃ (-40 ∼ +302℉ ), Ex-proof: -40 ∼ +100℃ (-40 ∼ +212℉ )
Allowable Pressure 500kPa 1MPa 490kPa
Housing ADC
Material
Antenna PTFE SUS304 SUS316L
Protection IP67 (Housing cover and lead outlet must be closed)
Lead Outlet 1-G1/2 (Applicable cable size: ϕ 8 to 12mm (0.31 to 0.47in)
Output Signal DC4 ∼ 20mA × 1 (Load resistance when 24VDC power supply is used; 499 Ω max), HART communication
Integral Time 0 ∼ 999s
Mass Approx. 1.9kg Approx. 1.6kg Approx. 1.9kg Approx. 2.2kg
Explosion-proof Intrinsically safe construction Intrinsically safe construction
−
construction Ex ia ⅡB T4 X (TIIS) Ex ia ⅡB T4 X (TIIS)
Division of Housing Zone1, Zone2 − Zone1, Zone2
hazadous
section Antenna Zone1, Zone2 − Zone0, Zone1, Zone2
・LCD adjustment unit (GRAPHIC COM4) ・Data Communication cable (MHM-01) ・PC adjustment software (M-DTM)
Accessories (option)
Safety barrier (KFD2-STC4-Ex1) is needed to use the explosion proof type. LCD display can't be used since it's a non explosion proof parts.

*: Explosion Proof model has Ex written at the end of each model. Explosion proof structure is Ex ia ⅡB T4 (TIIS).

●Dimension mm [in]
Model : MWLM-PR26
C1G H1G H2G ϕ1
H2F
30
[ϕ
( ϕ 104) [4.09”] ( ϕ 104) [4.09”] A 5.1 ( ϕ 104) [4.09”]
A ( ϕ 104) [4.09”] P.C.D.1 2” ] A
A 05 [ ϕ 4
.13”]

D D D
D
(82) [3.24”]
B
(82) [3.24”] (82) [3.24”]
(82) [3.24”]
(255) [10.04”]
(199) [7.83”]
(199) [7.85”]

E
20 [0.79”]
(292) [11.49”]

(405) [15.94”]
(312) [12.30”]

(249) [9.80”]

E E
F
E
14 [0.55”]
(405) [15.94”]

G G F
(93) [3.66”]

G
(113) [4.45”]

150 [5.91”]

ϕ 26 [1.02”] G
(156) [6.14”]

150 [5.91”]

ϕ 45 [1.77”]
ϕ 49 [1.92”]
A Lead outlet: G1/2 Cable: ϕ 8-12mm [0.31-0.47” ]
B 4×ϕ15 [0.59” ] Mounting hole ϕ 49 [1.92”]
C 8×ϕ 19 [0.75” ] Mounting hole
D Earth terminal (M4) Be sure to ground the earth terminal. (D-class grounding)
E Housing Housing rotatable in 310˚.
F Purge nozzle: Rc1/8
G Measurement reference zero poin

Common for Liquid & Powder Terminal Block Specs & Dimensions of the safety barrier
HART I/F Check Terminal
115 (4.53") 20 Specifications
(0.79") Power Specs.
・Power Supply: DC20 ～ 35V
Power supply for
・Power Consumption: 1.9kW
LCD adjustment
unit （+（
）−）
Input Specs.
1 2
・Input Signal: 0/4 ～ 20mA
123 (4.84")

・Available voltage:
Power supply/Current output*
≧16V at 20mA terminal 1+, 3
DC13～36V/DC4 ～ 20mA
M4 Earth Output Specs. (Safety area)
Terminal ・Output signal:

Lead Outlet
0/4～20mA ; load 0～500Ω
・Pulsating Current: ≦50 μ A rms
* : Two wire shielded cable is recommended.
For explosion-proof type, provide the power
Mass: 200g (0.44lbs)
through the Safety Barrier.

※This product uses a connection to the distributor or isolated interface(HART supported) and a card as a basic connection.
For other connection methods and for any questions, please contact us.
 CMWPR-208E
Feb.2020

For Powder Specifications

Model MWLM-PR26H*
Product Code MWLM-PR26H3G* MWLM-PR26H3F*
MWLM-PR26H3S* MWLM-PR26H7G* MWLM-PR26H7F* MWLM-PR26H7S*
Antenna Horn
Power Supply
Standard: DC13 - 36V 1 DC16V or more is required for LCD unit.
*
Power Consumption
Ex-proof: DC20 - 32V 2 Power supplied by safety barrier KFD2-STC4-Ex1
Standard type: Approx.704mW, Explosion-proof: Approx.540mW
*
Swivelling Flange Equivalent to Swivelling Flange
Mounting G1 1/2 Thread JIS5K65A Flange G1 1/2 Thread
(Equivalent to JIS10K100A) JIS10K100A (Equivalent to JIS10K100A)
Dead Zone 0.3m (0.98ft) below the antenna
Max Measurable Distance 35.0m (115ft) from measuring reference zero point 70.0 ｍ (330ft) from measuring reference zero point
Transmitting Frequency Approx. 26GHz
Transmitting Cycle Every 83ms
Beam Angle Approx. 14deg. (approx. 28deg. including side beam) Approx. 8deg. (approx. 16deg. including side beam)
Resolution 1mm
Allowable Fluctuation Rate 10cm/s
Repeatability Within 1.2m (3.94ft) or less: ± 30mm (1.18in), Over 1.2m (3.94ft) or more: ± 20mm (0.78in) or ± 0.04% of measurement range (Whichever is greater)
Accuracy
Temp. Error Standard: ± 0.03％ /10K, Ex-proof: 0.06%/6K
Standard: -40 ∼ +80℃ (-40 ∼ +176℉ ), With LCD: -20 ∼ +60℃ (-4 ∼ +140℉ ), Ex-proof: -20 ∼ +50℃ (-4 ∼ +122℉ )
Ambient Housing
1 hour is required to warm up the device if the temperature is lower than -20℃ (-4℉ ).
Temperature
Antenna Standard: -40 ∼ +150℃ (-40 ∼ +302℉ ), Ex-proof: -40 ∼ +100℃ (-40 ∼ +212℉ )
Allowable Pressure 1MPa 490kPa 500kPa 1MPa 250kPa 500kPa
Housing ADC
Material
Antenna SUS316L
Protection IP67 (Housing cover and lead outlet must be closed)
Lead Outlet 1-G1/2 (Applicable cable size: ϕ 8 to 12mm (0.31 to 0.47in)
Output Signal DC4 ∼ 20mA × 1 (Load resistance when 24VDC power supply is used; 499 Ω max), HART communication
Integral Time 0 ∼ 999s
Mass Approx. 2.3kg Approx. 4.4kg Approx. 6.1kg Approx. 2.7kg Approx. 5.3kg Approx. 6.5kg
Explosion-proof
Intrinsically safe construction Ex ia ⅡB T4 X (TIIS)
construction
Division of Housing Zone1, Zone2
hazadous
section Antenna Zone0, Zone1, Zone2
・LCD adjustment unit (GRAPHIC COM4) ・Data Communication cable (MHM-01) ・PC adjustment software (M-DTM)
Accessories (option)
Safety barrier (KFD2-STC4-Ex1) is needed to use the explosion proof type. LCD display can't be used since it's a non explosion proof parts.

*: Explosion Proof model has Ex written at the end of each model. Explosion proof structure is Ex ia ⅡB T4 (TIIS).

●Dimension mm [in]
Model : MWLM-PR26
P.C P.C
ϕ2

ϕ2
H3G H3F H3S H7G .D H7F .D H7S
10

10
.1 .1
7 7
[ϕ

[ϕ
5[ 5[
ϕ1 ( ϕ 104) [4.09”] ( ϕ 104) [4.09”] ( ϕ 104) [4.09”]
8.2

8.2
55 ( ϕ 104) [4.09”] 6. 6.
ϕ

ϕ
[ϕ 89 89

7
7

”]

”]
”]
”]

6.1
( ϕ 104) [4.09”] P.C.D. 0” ] A ( ϕ 104) [4.09”] A
A 130 [ ϕ A A A
5.12”]

D D D
D D D
P.C
.D
B .17 C C
ϕ2

5[
6.8
10

C
ϕ

9” ] (82) [3.24”]
[ϕ

(82) [3.24”] (82) [3.24”] (82) [3.24”] (82) [3.24”]

(82) [3.24”]
8.2
7”
]

(255) [10.04”]

(245) [9.64”]
(255) [10.04”]

(271) [10.67”]

E
(249) [9.80”]

(271) [10.67”]

(36) [1.42”]

E E E
20 [0.79”]

E
10 [0.39”]
(36) [1.42”]

E
20 [0.79”]

14 [0.55”]

Max.10° Max.10°
Max.10° Max.10° F
(455) [17.91”]
(455) [17.91”]

F F
(455) [17.91”]

F F
F
G G G
G G G
(696) [27.40”]
(696) [27.40”]

(696) [27.40”]

10 [0.39”]
(206) [8.11”]
200 [7.87”]

10 [0.39”]
(184) [7.24”]
200 [7.87”]

(451) [17.76”]
441 [17.36”]

(425) [16.73”]

ϕ 58 [2.27”] ϕ 58 [2.27”] ϕ 58 [2.27”]

A Lead outlet: G1/2 Cable: ϕ 8-12mm[0.31-0.47” ]

B 4×ϕ15 [0.59” ] Mounting hole
C 8×ϕ 19 [0.75” ] Mounting hole
D Earth terminal (M4) Be sure to ground the earth terminal. (D-class grounding) ϕ 100 [3.94”] ϕ 100 [3.94”] ϕ 100 [3.94”]
E Housing Housing rotatable in 310˚
F :
Purge nozzle Rc1/8
Measurement reference
G
zero poin
Caution
Read the instructions to ensure correct and suitable application
of products.
Specifications are subject to change without notice. Contact our nearest sales office when using our products
for any systems used in situations which may be life threatening.
All Rights Reserved Copyright C 2020, Matsushima Measure Tech Co.,Ltd.

Distributor HEAD OFFICE

HEAD SALES OFFICE / FACTORY SHANGHAI DAHONG MATSUSHIMA MACHINERY CO., LTD.
1-8-18, Norimatuhigashi, Yahatanishi-ku, Kitakyushu, 70 Hengcang Road, Dahong, Malu, Jiading,
807-0837, Japan Shanghai 201801, China
Tel: +81- (0)93-691-3731 Fax: +81- (0)93-691-3735 Tel: +86- (0)21-59514138 Fax: +86- (0)21-59514139

Seoul Liaison Office (Korea)

JQA-OH0299 JQA-QM8197
JQA-EM7547 220, 2F Hyundai Knowledge Industry Center, 70, Dusan-ro,
Geumcheon-gu, Seoul, Republic of Korea 08584
Tel: +82-(0)2-852-3731 Fax: +82-(0)2-852-3734
https://www.matsushima-m-tech.com E-mail:info@matsushima-m-tech.com