NB/NHB

Precision Balance
NB/NHB precision balance operation manual REV C1, June 2012 NB/NHB precision balance operation manual
NB/NHB precision balance operation manual REV C1, June 2012 NB/NHB precision balance operation manual

S 232: RS-232 USB; USB

6. WEIGHING UNIT LISTING

CONTENT
Unit mark Unit name Conversion（g）
1 g gram 1. Introduction………………………………………………………………1
2 g gram (hi resolution) 2. Key and display……………………………………………………..1
3 ct net carat =0.2g key function……………………………………………………………1
4 lb lb =453.59237g 2.2 display…………..……………………………………………………1
5 oz ounce =28.349523125g 3. Operation………………………………………………………………2
6 d dram =1.7718451g 3.1 Before operate…………………………………………………………….2
7 gn* grain =0.06479891g 3.2 Zeroing the display…………………………………………….…………2
8 ozt troy ounce =31.1034768g
3.3.Taring………………………………………………………………………3
9 dwt penny weight =1.55517384g
3.4 Percent weighing…………………………………………………………3
10 mOm momme =3.749996g
11 tl.T tael twn =37.49995g 3.5 Parts counting…………………………………………………………..4
12 tl.h tael chn =37.799375g 3.6 Accumulation……………………………………………………………..4
13 Tlj troy tael =37.4290018g 3.7 Calibration…………………………………………………………..… …5
14 t tola =11.6638039g 4 Battery operation…………………………………………………………5
15 bt Bangladeshi tola 1bt=11.6638039g 5 Parametering setting……………………………………………………6
1bt=16Ana=96Roti 5.1 Enter parameter setting………………………………………………….6
16 N newton 1N=101.916g
5.2 Set weighing unit…………………………………………………………6
* NB/NHB no this weighing unit.
5.3 Set backlight………………………………………………………………6
5.4 Set communication mode…………………………………….…………7
7. CALIBRATION
6 Weighing unit listing……………………………………………………..7
To enter calibration mode press the MODE key during self checking,
7 Calibration………………………………………………………………..7
the display will show the first function, "F1 UNT", press the MODE key
will until display show “TECH”, press ZERO key to enter, display shows
“PIN”, press SMPL, PRINT, TARE key, and press ZERO key to enter
technical parameters setting mode.
Press MODE key until display show “P2 CAL”, press ZERO, the
display will show "unLoAd". Remove all weight from the pan and then
press the ZERO key to set the initial zero point. then put the calibration
weigh on pan, after stable, calibration finished.
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NB/NHB precision balance operation manual REV C1, June 2012 NB/NHB precision balance operation manual
1. INTRODUCTION When charge the battery, the battery indication will be flicker, when it
The NB/NHB series of electronics balances provides an accurate, stop flicker and show full battery, charge finished.
fast and versatile series of general purpose balances with counting, % As the battery is used it may fail to hold a full charge. If the battery life
weighing functions. becomes unacceptable then contact your distributor.
There are 6 models in each series, with capacities up to 6000g. 5. PARAMETER SETTING
They all have stainless steel weighing platforms on an ABS base
5.1 Enter parameter setting
assembly.
All the keypads are light touch switches and the displays are large Press MODE key during selfchecking to enter parameter setting
easy to read liquid crystal type displays (LCD). The LCD’s are mode, after enter setting mode, press MODE key to change setting,
supplied with a backlight . press ZERO key to confirm setting, press PRINT key to escape.

All units include automatic zero tracking, automatic tare, and an 5.2 Set weighing unit
accumulation facility that allows the count to be stored and recalled as After enter parameter setting, display shows “f1 unt”, press ZERO
an accumulated total. key to enter setting, press MODE key to set ON/OFF, press ZERO key
to set next unit, after all weighing unit setted, back to F1 UNT, press
2. KEY AND DISPLAY PRINT key to escape.
2.1 key function
5.3 Set backlight
Zero or
Set the zero point for all subsequent weighing. The display shows After enter parameter setting, display shows “f1 unt”, press MODE
zero. key until display show “F2 El”, press ZERO key to enter setting, press
A secondary function , of "Enter" key when setting parameters MODE key to select backlight mode, press ZERO key to sure, press
or other functions. PRINT key to escape.
Tare or
AU: auto backlight, when load weight on the pan, backlight will turn on
Tares the scale. Stores the current weight in memory as a tare value,
ON: always turn on / OFF: always turn off
subtracts the tare value from the weight and shows the results. This is
*when battery low, backlight function not available.
the net weight.
5. 4 set communication mode (OnlyNB/NHB)
% Enters the percent weighing function.
After enter parameter setting, display shows “f1 unt”, press MODE
When in percentage mode and current value is zero, press this key
key until display show “F3 com”, press ZERO key to enter setting, press
to return normal weighing mode.
MODE key to select communication mode, press ZERO key to sure,
SMPL or
press PRINT key to escape.
Use this key to enter counting mode when normal weighing mode,
also use this key to return normal weighing mode when counting mode.

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NB/NHB precision balance operation manual REV C1, June 2012 NB/NHB precision balance operation manual
Remove the weight, allowing the scale to return to zero and put a MODE or
second weight on. Press PRINT, the display will show “ACC 2 ” This key will select either kilograms, pounds, ounce or other unit for
and then show the new total. the weighing unit when weighing mode.
To view the totals in memory press the PRINT key when the scale is A secondary function, change current value for parameters or other
at zero. The display will show the total number of items "ACC xx" and functions.
the total weight before returning to zero. The totals will also be printed When counting mode, allows the weight, unit weight, and count to
via the RS-232 interface. be seen when parts counting.
To erase the memory press PRINT to view the totals and then press Print or
the SMPL key to clear the memory. To print the results to a PC or printer using the optional RS-232
interface. It also adds the value to the accumulation memory if the
3.7 Calibration accumulation function is not automatic.
In normal weighing mode, empty the pan, hold the MODE key for 3 Secondary function (ESC), is to return to normal operation when the
second, display will show “unload ”, wait for several seconds, display will scale is in a parameter setting mode.
show “LOAD”, put the calibrate weight on, after STABLE indicator on, ON/OFF or
The window show “pass ”. After selfchecking, calibration finished. turn on or turn off the power.
Note: you can use half capacity or full capacity calibrate weight to
calibrate the balance. Don’t need key in the weight value, balance will Display
detect the weight automatically. NB/NHB description
stable indication, before do zero, tare, sample,
4. BATTERY OPERATION percentage, accumulation operate, please
When the battery needs change the battery indicator will turn on. confirm this indication on
battery low, when this indication on, please
Please change battery or use AC adapter after this indicator on. charge battery immediately. For NB/NHB, also
For NB/NHB, when battery indication show , please charge the used to indicate battery status
battery immediately. T Tare indication, when in net weight mode, this
indication on.
The scales can be operated from the battery if desired. The battery 0 zero indication
life is approximately 40 hours.
To charge the battery simply plug into the mains power. The balance
3. OPERATION
does not need to be turned on.
3.1 Before operate
The battery should be charged for 12 hours for full capacity.
To assure the measure precision, please turn on power 10 minutes
every time before you want to use the balance, and please calibrate the
balance again when the operate entironment changed.
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NB/NHB precision balance operation manual REV C1, June 2012 NB/NHB precision balance operation manual
3.2 Zero the display Note: the scale may jump by large numbers unexpectedly if small
You can press the ZERO key at any time to set the zero point from weights are used to set the 100% level. For example if only 23.5g is
which all other weighing and counting is measured, within 2% of power on a scale with 0.5g increments and the scale is set to 100%, the display
up zero. This will usually only be necessary when the pan is empty. will show 100.00%, however a small change of weight will cause the
When the zero point is obtained the display will show indicator for zero. display to jump to 102.13% as one scale division (0.5g) increase to
The scale has an automatic rezeroing function to account for minor 24.0g will be equivalent to a 2.13% increase.
drifting or accumulation of material on the platform. However you may Pressing the % key will return the scale to weighing.
need to press the ZERO key to rezero the scale if small amounts of
weight are shown when the platform is empty. 3.5 Parts counting
When the scale is showing weight, pressing the SMPL key will start
3.3 Taring the parts counting function.
Zero the scale by pressing the ZERO key if necessary. The zero Before beginning, tare the weight of any container that will be used,
indicator will be on. leaving the empty container on the scale. Place the number of samples
Place a container on the platform, a value for its weight will be on the scale. The number should match the options for parts counting,
displayed. 10, 20, 50, 100 or 200 pieces.
Press the TARE key to tare the scale. The weight that was Press the SMPL key to begin. The scale will show "SP 10"
displayed is stored as the tare value and that value is subtracted from asking for a sample size of 10 parts. You can press MODE key to
the display, leaving zero on the display. The "TARE" indicator will be on. select sample quantity: 10,20, 50, 100, 200 and back to 10.
As product is added only the weight of the product will be shown. Press the ZERO key again when the number matches the number
When the container is removed a negative value will be shown. If of parts used for the sample. As more weight is added the display will
the scale was tared just before removing the container this value is the show the number of parts (pcs).
gross weight of the container plus all product that was removed. The Press the MODE key to display unit weight (g/pcs), Total weight (kg)
zero indicator will also be on because the platform is back to the same or the count (pcs). Press the SMPL key to return to normal weighing.
condition it was when the ZERO key was last pressed.
3.6 Accumulation
3.4 Percentage weighing The weight displayed will be stored in memory when the PRINT key
The scale will allow a sample weight to be shown as 100%. Then is pressed and the weight is stable, the display will show "ACC 1" and
any other weight placed on the scale will be displayed as a percentage then the total in memory for 2 seconds before returning to normal. If
of the original sample. For example is 350g is placed on the scale and the optional RS-232 interface is installed the weight will be output to a
the % key is pressed the display will show 100.00%. printer or PC.
Removing the 350g weight and putting a 300g weight on the scale
the display will show 85.71% as 300g is 85.71% of 350g.
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