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Consideration of tare function

*

If the display show minus weight or show "_ _ _ _ _ "

means the display reading is under the zero, then

tare function should be executed.

*

Before measuring the weight, If the display is not

zero & show some value, it means the internal circuit

is over the zero, then tare function should be

executed.

*

The max. tare capacity is approx. 300 g.

*

The " Tare " marker will disappear until power off

and power on again.

6. SELF-CALIBRATION

1) Please prepare the following optional " Standard Weight " :

200 gram standard weight (WT-200, optional).

or

100 gram standard weight.

2) Calibration under the 200 gram standard weight

a) Power on the scale until the display show zero value.

Apply the 200 gram standard weight to the center of the

platform gently. If the scale is not accurate, then may

show the weight value around 200 g ( for example 199.93 g

, 200.06 g.....)

b)

Step 1 :

Press the " CAL. Button " ( 3-3, Fig. 1 ) once, 

display will show the value of " 100.00 g "

Step 2 :

Following press the " Tare Button " ( 3-4, Fig. 1 ) once, 

display will show the value of " 200.00 g "

6

Содержание GM-300P

Страница 1: ...E 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 inst...

Страница 2: ...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 ME...

Страница 3: ...even power off High 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 adjustable rubber pads Heav...

Страница 4: ...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...

Страница 5: ...3 FRONT PANEL DESCRIPTION Side view Bottom view Front view Back view Fig 1 3...

Страница 6: ...CAL Button function A Button 3 4 Tare Button function B Button 3 5 Display 3 6 Power Switch 3 7 Rubber Pads 3 8 Battery Cover Compartment 3 9 DC 9V Receptacle 3 10 RS232 Output Socket 3 11 Unit Switc...

Страница 7: ...position will set to gram unit the right down corner of LCD will show the g marker Slide the Unit Switch to the left position will set to oz unit 3 Turn the Power Switch 3 6 Fig 1 to the On position 1...

Страница 8: ...on again 6 SELF CALIBRATION 1 Please prepare the following optional Standard Weight 200 gram standard weight WT 200 optional or 100 gram standard weight 2 Calibration under the 200 gram standard weig...

Страница 9: ...e again display value of 100 00 g will flash 6 times then the calibration procedures are finished completely balance is ready for the measurement accurately Consideration of Self Calibration The inter...

Страница 10: ...d is present then release the finger away from function A Button 3 a The bottom left corner of LCD will show the COUNT marker at the same time the LCD will show no of sample units from 10 20 50 100 in...

Страница 11: ...isplay will flash twice and freeze the set counting no then take away the sample units Now the balance is ready for counting the sample counting units already change to new value Consideration Under t...

Страница 12: ...mpartment replace the battery cover 9 DC 9V AC DC ADAPTER OPERATION Adapter is optional accessory 1 The scale will also be operated by the household ACV power source 110 220 240 ACV with a DC 9V Adapt...

Страница 13: ...9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Each digit indicate the following status D15 Start Word D14 4 D13 1 D12 D11 Annunciator for Display g 57 oz 58 count 30 D10 Polarity 0 Positive 1 Negative D9 Decimal Point...

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