Lutron Electronics GM-300P Operation Manual
300 g x 0.01 g
DIGITAL BALANCE
Model : GM-300P
Your purchase of this DIGITAL BALANCE marks a step forward
for you into the field of precision measurement. Although this
DIGITAL BALANCE is a complex and delicate instrument, its
durable structure developed. Please read the following
instructions carefully and always keep this manual within easy
reach.
OPERATION MANUAL
TABLE OF CONTENTS
1.FEATURES............................................................1
2.SPECIFICATIONS.................................................
.
1
3. FRONT PANEL DESCRIPTION................................3
3-1 Platform.......................................................
.
3
3-2 Level Bubble.................................................
.
3
3-3 CAL. Button ( function A Button )...................
.
3
3-4 Tare Button ( function B Button )...................
.
3
3-5 Display.........................................................
.
3
3-6 Power Switch................................................ 3
3-7 Rubber Pads.................................................
.
3
3-8 Battery Cover/Compartment...........................3
3-9 DC 9V Receptacle..........................................3
3-10 RS232 Output Socket....................................3
3-11 Unit Switch..................................................
.
3
4.PLATFORM INSTALLATION...................................
.
4
5.WEIGHT MEASURING PROCEDURE........................5
6.SELF-CALIBRATION..............................................6
7.COUNTING SCALE OPERATION PROCEDURE..........8
8.BATTERY REPLACEMENT......................................
.
10
9.DC 9V AC/DC ADAPTER OPERATION.....................
.
10
10. RS232 PC SERIAL INTERFACE.............................10
1. FEATURES
* Microprocessor circuit with high accuracy & better
performance.
* 0.01
g
& 0.0005 oz resolution & wide measuring capacity.
*Lar
g
e LCD display, 20.9 mm ( 0.8" ) digit size, easy read out.
* Built-in
g
ram & oz display unit, select by the internal
slide switch.
* Built-in self calibration system, the calibration value can
memorize into EEPROM circuit permanently even power
off.
*Hi
g
h precision counting scale function.
* RS-232 computer interface.
* Accept battery or AC/DC adapter power source, two way
power supply.
* Built-in " level bubble " & the ad
j
ustable " rubber pads ".
* Heavy duty ABS housin
g
plastic case.
2. SPECIFICATIONS
Display LCD, 20.9 mm ( 0.8" ) digit size, 5 digits
with annunciator.
Measuring range
&
UnitRan
ge
Resolutio
n
Resolution
g
0.10 g to 300
g
0.01 g.
oz 0.005 oz to 9.9995 oz 0.0005 oz
10.000 oz to 10.582 oz 0.001 oz
Min. Display Weight
g
0.10
g
oz 0.005 oz
Unit Select
g
or oz, select by internal slide switch.
1
Accuracy ( 0.05 % + 0.04 g )
*Within two hours after self calibratio
n
be executed.
23± 5 .℃
*
Spec. tested under the environment R
F
Field Strength less than 3 V/M
&
frequency less than the 30 MHz only.
Sampling time Approx. 1 second.
Tare Control Approx. 300 g max.
Transducer Load cell.
Circuit Microprocessor circuit.
Auto Calibration Use 100 g or 200 g standard weight to
execute self-calibration automatically.
Operating 0 to 50 ( 32 to 122 ).℃℃℉ ℉
Temperature
Operating Humidity Less than 80% RH.
Size Cabinet 250 x 190 x 70 mm
Platform Round, 120 mm Dia.
Power Supply 1.5V AA (UM-3) battery x 6 PCs,
or DC 9V adapter, optional.
Power Consumption Approx. DC 17 mA.
Accessory Included Operation Manual........1 PC.
Optional * Software ( Windows version ),
accessories SW-U801-WIN, SW-E802.
* RS232 cable, UPCB-02.
* USB cable, USB-01.
* 200
g
calibration weight, WT-200.
* AC/DC 9V power adapter, AP-9VA.
2
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