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AC Power Meter 

GPM-8212 

 

 
 

 

 

 

USER MANUAL 

GW INSTEK PART NO. 82PM-82120MB 

 

 
 
 
 
 
 

ISO-9001 CERTIFIED MANUFACTURER   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This manual contains proprietary information, which is protected 
by copyrights. All rights are reserved. No part of this manual may 
be photocopied, reproduced or translated to another language 
without prior written consent of Good Will company.   

The information in this manual was correct at the time of printing. 
However, Good Will continues to improve products and reserves 
the rights to change specification, equipment, and maintenance 
procedures at any time without notice. 

 

Good Will Instrument Co., Ltd. 

No. 7-1, Jhongsing Rd., Tucheng City, Taipei County 236, Taiwan. 

Summary of Contents for 82PM-82120MB

Page 1: ...ay be photocopied reproduced or translated to another language without prior written consent of Good Will company The information in this manual was correct at the time of printing However Good Will continues to improve products and reserves the rights to change specification equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng Cit...

Page 2: ...WER METER USER MANUAL 2 TABLE OF CONTENTS PAGE 1 SAFETY SUMMARY 1 2 INTRODUCTION 5 3 SPECIFICATION 6 4 PANEL INTRODUCTION WIRING 8 5 USAGE DESCRIPTION 16 6 RS232 COMMUNICATION INTERFACE 18 7 MAINTENANCE 21 ...

Page 3: ...e Power Meter WARNING Warning statements identify condition or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property POWER METER USER MANUAL 2 DANGER High Voltage ATTENTION refer to Manual Protective Conductor Terminal ground Earth Terminal Frame or Chassis Terminal ...

Page 4: ...oloured Blue or POWER METER USER MANUAL 4 Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and...

Page 5: ...ange or manual Measurement Type True rms Input Resistance 1MΩ Maximum Input Voltage 1000V peak 700V rms PT Ratio Setting 1 to 9999 Accuracy at 23 5 Sinewave 0 1 of reading 0 1 of range CURRENT Range 160 0mA 320 0mA 640 0mA 1 280A 2 560A 5 120A 10 24A 20 48A total 8 ranges by auto range or manual Measurement Type True rms Input Resistance 0 01Ω Maximum Input Current 30A peak 20A rms CT Ratio settin...

Page 6: ... 0 4 LED Minimum input 2 of Range Response time 2 cycles sec Overload indicating O L Working temperature 0 50 RH 80 Temperature coefficient 0 1 FS Accessories Instruction manual 1 Power cord 1 Disk 1 Dimension 250 W 90 H 281 D m m Weigh Approx 1 6 kgs Note The 1 0mm2 of cross section dimension power cord should be used when the current reaches to 10 Amperes and use 2 0mm2 of cross section dimensio...

Page 7: ...um value it obtained The MIN indicator is on when press the key of MIN the display then appears the minimum value it obtained The indicator is on when the value of PT and CT is set to other value except 1 RMT RUN HOLD MAX MIN RATIO POWER METER USER MANUAL 10 5 Unit Indicator Display Window 1 Milliwatt indicator Display Window 1 Watt indicator Display Window 1 Kilowatt indicator 9 Unit Status Indic...

Page 8: ...e by using V button Window 3 for current Peak indicator The Apeak indicator is on when the input current peak is larger than the measurement of current range If the Apeak indicator is illustrated with manual ranging switch range by using A button kA Auto Peak POWER METER USER MANUAL 12 8 Pushbuttons Set up address for RS 458 interface only ADDR Number key Set interface baudrate with 1200 2400 4800...

Page 9: ...y Set Window 2 to indicate power factor function Back key Set Window 2 to indicate frequency function ENTER Enter key Maintain the present display value V A A V PF Hz HOLD POWER METER USER MANUAL 14 z Fig 4 2 REAR PANEL Current Breaker CIRCUIT BREAKER TO RESET PRESS AC 600V SOURCE IN N MAX IN L Power Inlet AC 86V 265V 50 60Hz AUX SOURCE Input Terminal Board Interface Output RS 232 RS 485 OUT RS485...

Page 10: ...ed the following steps to set the desired parameters such as 1200 Press 1 to appear 1 Press 2 to appear 12 Press 0 to appear 120 Press 0 to appear 1200 3 If there is any mistake press Å key to erase front error numbers 4 After pressing ENTER to save the information return to test mode z Address setting 1 Press Addr to appear ADDR on the window 2 window 3 indicates previous setting parameters and w...

Page 11: ...f no further action it will return to previous test mode within 5 seconds or press Å key directly 2 Then proceed the following steps to set the desired parameters such as 1000 Press 1 to appear 1 Press 0 to appear 10 Press 0 to appear 100 Press 0 to appear 1000 3 If there is any mistake press Å key to erase front error numbers 4 After pressing ENTER to save the information return to test mode POWE...

Page 12: ... R11 A Range 2 560A R12 A Range 1 280A R13 A Range 640 0mA R14 A Range 320 0mA R15 A Range 160 0mA R16 V Range Autorange R17 A Range Autorange S00 Set Voltage Ratio PT S00 1 S01 Set Current Ratio CT S01 1 V00 Read Voltage V01 Read Current V02 Read Watt V03 Read PF V04 Read Hz POWER METER USER MANUAL 20 z DEMO Program Demo program language BASIC Computer set Baudrate equal 9600 and use COM2 The GPM...

Page 13: ...n replace the fuse with correct rating and type shown as below FUSE Rating and Type Rating Input MODEL 115V 230V Watts VA GPM 8212 T0 5A 250V 22 28 WARNING For continued fire protection replace only with 250V fuse of the specified type and rating and disconnect the power cord before proceeding fuse replacement POWER METER USER MANUAL 22 7 2 Fuse Replacement Procedure When you proceed calibration o...

Page 14: ...tively Please use a screwdriver to pry open these washers POWER METER USER MANUAL 24 4 Please use a screwdriver to open the screw located at upper side of rear panel Therefore the upper cover can pull toward the backside In the meantime the upper cover is moved Note If you want to install the upper cover please reverse above steps 7 3 Cleaning To keep the instrument clean wipe the case with a damp...

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