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* The "Tare" marker will disappear until "Power Off" and
   "Power On" again.

6. SELF-CALIBRATION

1) Prepare a 200 gram standard weight (WT-200, optional).
2) Select the display unit to "gram".

Power on the scale until the display show zero value.
Apply the 200 gram standard to the center of the platform
gently, 

3) Press the "Calibration Button" (3-2, Fig. 1), then

the display will show the value of " 200.0 0.1 g "
Then the scale is calibrated completely & ready for
the measurement accurately.

Consideration of Self-Calibration :

The internal Self-Calibration correction data is
save to the memory circuit a while. Once power off,
then the correction data will disappear .

*

The permanent calibration procedure should be execute
according the procedure of "Quick Calibration" (11-1)

7. BATTERY REPLACEMENT

If battery is weak, LCD display will show "LO" indicator.
This reminds user to replace new battery.
1) Open "Battery Cover"(3-6, Fig. 1) located at the bottom

of the scale.

2) According to the device instruction, place batteries(1.5V AA

size battery x 6 PCs) into the battery compartment &
replace the battery cover.

5

Summary of Contents for GM-500

Page 1: ...SCALE marks a step forward for you into the field of precision measurement Although this DIGITAL SCALE is a complex and delicate instrument its durable structure developed Please read the following in...

Page 2: ...Button 2 3 3 Display 2 3 4 Power Switch 2 3 5 Rubber Pads 2 3 6 Battery Cover Compartment 2 3 7 DC 9V receptacle 2 3 8 RS232 Output Socket 2 3 9 Calibration Face Plate 2 3 10 Unit Switch 2 4 PLATFORM...

Page 3: ...clusive microprocessor LSI circuit high reliability 2 SPECIFICATIONS Display 18 mm 0 7 LCD 5 digits w annunciator Measuring Capacity 500 0 g 17 6 oz Resolution 0 1 g 0 005 oz Min Display Weight 0 3 g...

Page 4: ...hat use WT 200 optional for executing the self calibration RS 232 cable RS 232 cable for connecting between Model UPCB 01 scale the computer optional Software Counting scale software optional SCALE U0...

Page 5: ...3 2 Calibration Button 3 2a Tare Button 3 3 Display 3 4 Power Switch 3 5 Rubber Pads 3 6 Battery Cover Compartment 3 7 DC 9V receptacle 3 8 RS232 Output Socket 3 9 Calibration Plate 3 10 Unit Switch 4...

Page 6: ...but the LCD display will not show any marker 3 Turn the Power Switch 3 4 Fig 1 to the On position The Display 3 3 Fig 1 will show 8 8 8 8 8 for a few seconds then 0 will appear again 4 Apply the load...

Page 7: ...for the measurement accurately Consideration of Self Calibration The internal Self Calibration correction data is save to the memory circuit a while Once power off then the correction data will disapp...

Page 8: ...the scale is ready for ACV operation 9 RS232 PC SERIAL INTERFACE The instrument features an RS232 output via 3 5 mm Terminal 3 8 Fig 1 The connector output is a 11 digit data stream for gram 12 digit...

Page 9: ...CR Enter code is A D1 LF LF Line feed code is D D2 g D3 to D5 SPACE D6 to D9 Display reading D6 LSD D9 MSD D10 SPACE oz 12 digit data stream D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 Each digit indicate the...

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