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Page 6                                                                                                                                           

             

  WEIGHING SCALE

 

VIII.

 WEIGHING UNIT CONVERSION

 

1  kg   =  1000  g

 

 =  

500g

 

1 HK jin 

=  16 HK ounce

 

1 HK ounce   

=  37.799375g

 

1 Taiwan ounce = 37.49995g

 

1 Taiwan jin  =  16 Taiwan ounce

 

1  lb  =  453.59237g

 

1  oz  =  28.3495231g

 

 

IX. FACTORY SETTING 

 
A. 

LINEAR CALIBRATION

   

1. Power on while holding down TARE key, the display will show 

      Line 

  . 

2. Press MODE key to enter into automatic factory calibration mode, the display will show 

  On0  

put weight of 1/3 full load on the weighing pan when 

  On1  

  appears, press TARE key until

   

On2  

appears, put weight of 2/3 full load on the weighing pan, press TARE again, 

  On3  

 will 

appear on the display, press TARE after putting weight of full load on the weighing pan and wait 
until 

  PASS  

 appears. 

3. Take off the weight, press ZERO key to return to weighing mode. 

 

B. 

SINGLE-POINT CALIBRATION

 

1. Power on while holding down MODE key to enter into setting mode, the display shows 

  CAL  

2. Press TARE key to enter into single-point calibration mode, the display will show 

  On0  

, wait 

until 

  CAP  

 appears. 

3. Press MODE key to select calibration weight, the display will show in turn 

  CAP 1 

 CAP2 

and 

  CAP3  

; put corresponding weights of 1/3, 2/3 or full load on the weighing pan, then press 

TARE key to enter into single-point calibration mode, wait until the display shows 

  PASS  

4. Take off the weights, press ZERO key to return to weighing mode. 

 

C. 

PRECISION SETTING

(Only applicable for version 2.0 and above)

 

1. Power on while holding down PRINT key to enter into setting mode, the display will show

   

SEnC  

2. Press TARE key to select 

  SEnC1  

 or   

SEnC2 

3. SEnC1 means precision 15000, SenC2 means precision 6000 (7500). 
4. After setting is completed, press ZERO key to return to weighing mode. 

 

APPENDIX 1:

 

ERROR MESSAGE 

1. Error message 

Err. Msg.

 

Problem

 

 

Err2 

Initial zero point over 

±

10% (take 10% as the benchmark)

 

 

Err3 

Over or below A/D resolution range

 FFFFF 

 

Err4 EEPROM 

Chksum error

 

 

Err5 

Overload (max. capacity

 +9e) 

 

Err6 

Wrong calibration weight

 

 

Battery 
symbol

 

Low battery

 

 

   

Summary of Contents for LPWN-150

Page 1: ... electronic hardware plastic medicine textile and various other industries It is useful for packaging inventory and various production and quality control cases It will help you save your time labor money and reduce material waste lower cost improve your work efficiency thus to achieve maximum return on investment II FEATURES 1 The microprocessor in this scale features 1 Zero point tracking functi...

Page 2: ...shaped iron piece inside hole 7 Then fix the three hole aluminum column 6 and scale support 5 on the shaped iron piece of the scale by tightening the M5 Allen screw 4 using an Allen wrench 3 Put the stainless steel weighing pan 3 on the scale support 5 B Model LPWN 3075 1 Remove the protection copper screw 2 and then screw out the protection copper screws 1 3 2 Screw in the round weighing pan cloc...

Page 3: ...the equipment in an environment with steady temperature 0 40 avoid rapid temperature changes 5 Independent AC outlet for this equipment is recommended check the voltage before plug in 6 Warm up the equipment for 15 minutes before use V KEYPAD 1 PRINT Press PRINT key RS 232 will print data when negative value is shown on the screen the printing function is prohibited 2 MODE Press MODE key for selec...

Page 4: ...ng stability Yes No Page 5 Item 11 1 Power on while holding down MODE key The scale will enter into function setting mode and CAL appears on the LCD display Press PRINT key the LCD display will show the scale model e g 3 kg 2 Press MODE key once again the LCD display will show UON which means the scale enters into weighing unit setting mode Press PRINT key to select unit press TARE key to enable O...

Page 5: ...again the LCD display will show RS232 which means the scale enters into printing mode setting mode press TARE to select Prt Co Prt St or Prt Pr Pr means data sent when key pressed St means data sent automatically when stable symbol shown Co means data sent continuously 10 Press MODE key once again the LCD display will show Print which means the scale enters into printing mode setting mode press TA...

Page 6: ...lay shows CAL 2 Press TARE key to enter into single point calibration mode the display will show On0 wait until CAP appears 3 Press MODE key to select calibration weight the display will show in turn CAP 1 CAP2 and CAP3 put corresponding weights of 1 3 2 3 or full load on the weighing pan then press TARE key to enter into single point calibration mode wait until the display shows PASS 4 Take off t...

Page 7: ...Battery symbol Charge the battery with power on Operating at normal weighing mode Err5 Checking if the weighing object is over the max capacity 9e Calibrating Err6 Change weight APPENDIX 2 RS 232 OUTPUT FORMAT Baud Rate 2400 4800 9600 Data Bit 8 Parity N None Stop Bit 1 Code ASCII Bit Format LSB MSB 0 1 2 3 4 5 6 7 8 Start Bit Parity Stop Bit Data Format 1 kg G N W k g C R LF weight Example N W 1 ...

Page 8: ... 12oz T W 0lb 0 64oz G W 2lb 8 76oz 5 Jin G N W C J i n g C R L F weight Example N W 2 275jin T W 0 037jin G W 2 312jin 6 HK jin G N W _ G t l H C R L F weight Example N W 1 14 08G tl H T W 0 0 48G tl H G W 1 14 56G tl H 7 Taiwan jin G N W _ G t l T C R L F weight Example N W 1 14 32G tl T T W 0 0 48G tl T G W 1 14 80G tl T 8 pcs T o t a l p c s C R L F pcs ...

Page 9: ...O M WEIGHING SCALE Example Total 0 pcs 9 C R L F Example 0 G GROSS N NET T TARE Printer and output format example kg SH 24 EZ2 S N W 1 6025 kg T W 0 0000 kg G W 1 6025 kg N W 1 1375 kg T W 0 0180 kg G W 1 1555 kg RS 232 Connector Signal Output ...

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