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CPT20  USER  MANUAL 

10 

 

T 7 4 2 1 1  

means that the scale has the capacity of 15 lb with dual range. The price is 

listed as 0.00, G value is available for standard calibration, and P2 starts from P11. 
 
Weight Calibration 

The SW1 calibration switch on the main board switched to ON position 

Press the T key and the 2 key in weighing mode to start Weight Calibration 
 
Weight Calibration will not be accessible when SW1 calibration is on CAL_OFF 
position

 

 

The scale reads the calibration zero for 1 second, do not place anything onto the scale 
Place the weight mass or use 0 ~ 9 < > keys to change the weight 
value. Place the weight mass and place the ENTER key 

Note: For max capacity of 15 lb, you can use 10 lb weight to do the 
calibration. It is suggested to use at least 1/3 of maximum up to max for the 
calibration purpose. 

 
 

The scale returns to weighting mode. 

To calibrate only the initial zero and not weight calibration, just press the enter key 

 

 

 

 

 

G Value Calibration and how to view G value : 

Press the T key and he 3 key in weighing mode to start G value calibration 

or to view G value

 

Notes for G values: 

1. 10 G values can be entered 

2. Only one G value can be entered when the calibration switch is at 

CAL_ON position 

3. Make sure the G value entered is correct to avoid inaccurate weighing 

4. The G value will be denied when the value is greater than 9.83217 (Polar 

0 1 5 . 0 0 0  

 

 

E S C  

 

 

0 . 0 0 0  

0  

0 . 0  

Summary of Contents for CPT20

Page 1: ...PRICE COMPUTING SCALE user manual Please read this manual carefully before operation General Precautions Operating condition and other attentions Warranty GRAVITY MEASUREMENT INC Model CPT20 ...

Page 2: ... this may cause interference 4 Do not use on surfaces or in areas where vibration air movement or temperature change Do not place in direct sunlight or near air conditioning vents 5 Avoid high humidity greater than 80 that might cause condensation and keep away from direct contact with water and other corrosive chemicals 6 Static may influence the weighing result To reduce the static wipe the pan ...

Page 3: ...ter should be borne by the purchaser The warranty will cease to operate if the equipment is not returned in the original packaging and with correct documentation for a claim to be processed All claims are at the sole discretion of Gravity Measurement This warranty does not cover equipment where defects or poor performance is due to misuse accidental damage exposure to radioactive or corrosive mate...

Page 4: ... the bottom of the device and also through a hole in the scale base adjacent to the metal rode Set up the Scale Place the scale on a stable level surface out of the way of air currents The scale must be level during use Adjust the feet and use the integrated bubble at the front of the scale to achieve level Be sure that scale does not rock back and forth Ensure no weight is on the pan when turning...

Page 5: ... then enter how many pieces and the total price will be calculated up to 99 pieces Accumulate key after putting a weight onto the scale the key can be used to accumulate weight unit price and total price up to 20 records Add key Amount accumulation for counting methods used to match with the QTY key Display total accumulated count total accumulated weight and total count Clear accumulation press a...

Page 6: ...ract the weight of a container tare range full capacity Clear the piece weight window When there is accumulated value and no unit price press this key to display total accumulated counts and total accumulated price Price look up key to save unit price for detail refer to save the price look up Group key to switch between P01 P20 and P21 P40 BASIC FUNCTIONS AND OPERATION Tare function Place a conta...

Page 7: ...r known unit price and quantity to add up total price Weight window shows added times Payment charge Press the key and enter the payment amount the scale will automatically calculate the charge for customer Example The total price is 15 dollar press this key and enter 20 dollar on the Unit Price window will be displayed 5 dollar as the charge for customer P1 P2 Price Look Up PLU Press the key to s...

Page 8: ...sition or G value calibration set as non approval standard calibration Press and hold T key and 4 key Standard Functions Setup Press and hold T key and 5 key Keyboard test displays calibration weight internal resolution and version number Press and hold T key and 6 key Displays battery voltage internal value and ADC internal value Spec and Weight Calibrations CAL_ON Calibration switch at ON positi...

Page 9: ...lb x 0 02 lb above 30 lb 30 lb x 0 01 lb 30 lb and less lb Dual range 3000 For other D1D2 numbers please check with the manufacturer D3 Unit Price Decimal Point Cent 0 Unit Price Total Price Fixed no cent 1 Unit Price Total Price Fixed 0 0 2 Unit Price Total Price Fixed 0 00 3 Unit Price Total Price Fixed 0 000 4 Unit Price Manual cent 0 00 Total Price Fixed no cent 5 Unit Price Manual cent 0 00 T...

Page 10: ...t value Place the weight mass and place the ENTER key Note For max capacity of 15 lb you can use 10 lb weight to do the calibration It is suggested to use at least 1 3 of maximum up to max for the calibration purpose The scale returns to weighting mode To calibrate only the initial zero and not weight calibration just press the enter key G Value Calibration and how to view G value Press the T key ...

Page 11: ...acklight Default Auto Backlight Press 0 1 keys to select condition Press the key to go to the next function setup Press the ENTER key to save the change and return back to weighing mode Press the ESC to abort setup and back to weighing mode UF2 RS232 0 OFF 1 Stable Output 2 Stream Output 3 Accumulation Output keyboard output Default OFF Press 0 6 keys to select condition Press the key to go to the...

Page 12: ...in weighing mode to test keyboard to display Weight window displays key quantity Unit Price window displays calibration weight mass internal value Total Price window displays version number Press the ENTER key and the scale will countdown and back to weighing mode Display battery voltage detected internal value and AD internal value Press the T key and the 6 key in weighing mode to display battery...

Page 13: ...n Weight unstable Vibration or varying load on the pan during switch on E r r H Initial zero too high Scale turned on with weight 10 of maximum capacity already on the pan E r r L Initial zero too low Scale turned on with upward force 10 of maximum capacity acting on the pan Battery symbol visible Battery voltage is lower than 5 6 V Battery neds charging Connect to main adaptor Press T and 6 toget...

Page 14: ...CPT20 USER MANUAL 14 Gravity Measurement Inc 611 Rotterdam Industrial Park Schenectady NY 12306 Tel 518 526 5942 http www gravitymeasurement com GRAVITY MEASUREMENT INC ...

Page 15: ...CPT20 USER MANUAL 15 ...

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