FORELIBRA GM Series User manual

GM Series
Precision Balance

Purpose
GM Series electronic balance ensure the accuracy and reliability
of the weighing results.
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GM Series electronic balance: fast response, easy to operate, greatly
simplifying and accelerating the conventional weighing process.
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Weighing unit conversion
Counting
Appearance style hale, fashion and brief, sporty powerful;
Scale pan is made of high quality stainless steel 304, simply and fluency;
Large screen LCD display, backlight is soft and easy to read;
Stable and good repeatability
Sturdy structure
Additional function:
% Weighing
1

Warning and safe instructions
Please read this manual before use the balance to avoid unnecessary damage.
Safety precautions
Please don't open the shell of balance, otherwise the
manufacturer will not provide the warranty service.
Avoid installing and using occation
2

Prepare
Warranty service
Please fill out the warranty card and return to company, then can
enjoy a one-year warranty service, Otherwise it will be gave up
by yourself.
Storage and transportation conditions
Don't place the instrument in an environment where the temperature
is too high or too low, easy to crash, violent vibration, humidity and
airflow.
Open-package
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After unpacking, check the appearance of the instrument
immediately, to find if there is any damages caused during
transport by improper handling.
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If it was found damaged, please contact the factory in time.
Packing list
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Balance
SUS304 weighing pan
Plastic windshield(Optional)
Mass weight(Optional)
Power adapter
Warranty card and certificate
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User's manual
3

Install
GM series balance
To install the balance, following parts in sequence:
①SUS304 weighing pan
Adjust level
Level the balance on a stable desk. When the bubble is in the
center of the circle, balance is leveled.
Connect to power
Please use our company power adapter.
Power adapter one end is connected to balance, the other end to AC base.
4

Operation panel and keyboard functions definition
Operation panel introduction
Keyboard definition
5

Basic weighing operation
Powerboot
External calibration
6
Unit details
1.g
2.ct
3.oz
4.ozt
5.lb
6.kg
7.dr
8.GN
9.dwt
10.mm
11.tLJ
12.tLt
13.tLh
14.GSM
15.tmR
16.tAR
17.PKt

Basic weighing operation
Zero
Taring
Simple counting
7
Rs232 Serial Port
(PER) % Weighing
on counting quantity, when the LCD data display at the same
1)Long press UNIT key to select “PCS”
2)Short press key to set Percent mode
4)Sample size is now set and Percent weighing display will show
the weight compared to the PERCENT weight selected.
The RS232 communication port is configured to 9600 Baud
and continuous data stream. The connections are as follows;

8
Normal fault and solving countermeasure
Technical instructions
Technical data

Specification
230×270×70
External calibration(weights optional)
have
Gro ss w ei gh t( kg )
Net w ei gh t( kg )
External calibration(weights optional)
Optional
Gro ss w ei gh t( kg )
Net w ei gh t( kg )
Wor ki ng v ol ta ge
Pan S iz e( mm )
Wor ki ng v ol ta ge
Pan S iz e( mm )
1.75
2.45
300×135×340
GM103
100
0-40
0-40
230×270×70
300×135×340
1.75
2.45
GM302 GM1002 GM2002
1000
GM502
500
300
2000
GM2002S GM5002
GM3002
2000 3000
5000
GM602
600
Technical instructions
9
GM203
200
GM303
300
GM503
500
115
or 192×171×8
150

MADE IN CHINA
One-year warranty for the balance from the date of initial
shipment.
We make in-warranty repairs or replacement quickly, or will
offer a full refund, at our sole discretion.
Any in-warranty repairs or service will exclude all damage
due to by abuse and misuse.
If you have any quality problem, please pack the product well,
and request a Return Material Authorization (RMA) code and
return instruction from Nanjing Bonita Scientific Instrument
company, Ph. 86-25-84169936.
Unplug the power from the unit.
Clean the balance by cloth and mild soap.
After cleaning, wipe the balance by a soft dry cloth.
Re-calibrate after each cleaning.
Cleaning
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Warranty and Repairs
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Technical instructions
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