GW Instek 82PM-82120MB Manual de usuario

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.

POWER METER USER MANUAL

TABLE OF CONTENTS

PAGE

1. SAFETY SUMMARY……………………………………………..

2. INTRODUCTION…………………………………………………

3. SPECIFICATION…………………………………………………

4. PANEL INTRODUCTION & WIRING…………………………

5. USAGE DESCRIPTION………………………………………….

6. RS232 COMMUNICATION INTERFACE……………………...

7. MAINTENANCE…………………………………………………. 21

POWER METER USER MANUAL

1.SAFETY TERMS AND SYMBOLS

Please take a moment to review these safety terms and symbols which

may appear in this manual or on Equipment to prevent damage to the

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

DANGER High Voltage

ATTENTION refer to Manual

Protective Conductor Terminal

(ground) Earth Terminal

Frame or Chassis Terminal

POWER METER USER MANUAL

FOR UNITED KINGDOM ONLY

NOTE: This lead/appliance must only be wired by competent

persons

WARNING: THIS APPLIANCE MUST BE EARTHED

IMPORTANT: The wires in this lead are coloured in

accordance with the following code:

Green/ Yellow: Earth

Blue: Neutral

Brown: Live(Phase)

As the colours of the wires in main leads may not correspond

with the colours marking identified in your plug/appliance,

proceed as follows:

The wire which is coloured Green & Yellow must be connected to

the Earth terminal marked with the letter E or by the earth symbol

or coloured Green or Green & Yellow.

The wire which is coloured Blue must be connected to the

terminal which is marked with the letter N or coloured Blue or

POWER METER USER MANUAL

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/or user instructions for details. As a guide, cable

of 0.75mm²should be protected by a 3A or 5A fuse. Larger

conductors would normally require 13A types, depending on the

connection method used.

Any moulded mains connector that requires removal

/replacement must be destroyed by removal of any fuse & fuse

carrier and disposed of immediately, as a plug with bared wires is

hazardous if a engaged in live socket. Any re-wiring must be

carried out in accordance with the information detailed on this

label.

POWER METER USER MANUAL

2. INTRODUCTION

GPM-8212 Power Meter is a 16-bit CPU microprocessor equipped with

multifunction of full-digitized measurement, calibration and output. The

microprocessor has the advantage of high-speed sampling and calculation

function to accurately measure the distortion signal of waveform. Except for its

essential measurement on AC voltage, AC current, AC power, Power factor,

and Frequency, the power meter also provides additional features of PT/CT

ratio setting, display value holding, the value of maximum and minimum

holding, range selecting, auto-ranging and etc.

In order for an even more efficient and convenient communication, the

standard RS232 or RS485 is available as an option attached to the instrument.

The GPM-8212 is a low-cost, easy-to-use power measuring instrument.

POWER METER USER MANUAL

3. SPECIFICATION

VOLTAGE

Range 5.000V, 10.00V, 20.00V, 40.00V, 80.00V, 160.0V, 320.0V,

640.0V total 8 ranges by auto-range 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, 20.48Atotal 8 ranges by auto-range or manual.

Measurement Type True rms

Input Resistance 0.01Ω

Maximum Input Current 30A (peak), 20A(rms)

CT Ratio setting 1 to 9999

Accuracy(at 23℃±5℃)

(Sinewave) ±0.1% of reading±0.1% of range

WATT

Range:

W A

V 160.0mA 320.0mA 640.0mA 1.280A 2.560A 5.120A 10.24A 20.48A

5.000V 800.0mW 1.600W 3.200W 6.400W 12.80W 25.60W 51.20W 102.4W

10.00V 1.600W 3.200W 6.400W 12.80W 25.60W 51.20W 102.4W 204.8W

20.00V 3.200W 6.400W 12.80W 25.60W 51.20W 102.4W 204.8W 409.6W

40.00V 6.400W 12.80W 25.60W 51.20W 102.4W 204.8W 409.6W 819.2W

80.00V 12.80W 25.60W 51.20W 102.4W 204.8W 409.6W 819.2W 1.638kW

160.0V 25.60W 51.20W 102.4W 204.8W 409.6W 819.2W 1.638kW 3.276kW

320.0V 51.20W 102.4W 204.8W 409.6W 819.2W 1.638kW 3.276kW 6.553kW

640.0V 102.4W 204.8W 409.6W 819.2W 1.638kW 3.276kW 6.553kW 13.10kW

Measurement Type True rms

Accuracy(at 23℃±5℃)

(Sinewave) ±0.2% of reading±0.2% of range

POWER METER USER MANUAL

POWER FACTOR

Range 0.001 to 1.000

Computation W ÷(V ×A) = Power factor (PF)

FREQUENCY

Measurement Range 40.0Hz to 400.0Hz

Accuracy (23℃±5℃) ±0.2% of reading±2 digits

OPTION

Communication RS-232, RS-485

GENERAL

Main Supply AC86~265V, 50/60Hz

Warm up time 30 minutes more.

Display A 4-digit 0.56" LED with 2 sets of 4-digit 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 1.0mm2of cross-section dimension power cord should be used when the

current reaches to 10 Amperes, and use 2.0mm2of cross-section dimension

power cord when the current reaches to 20Amperes.

POWER METER USER MANUAL

4. PANELAND OUTLOOK INTRODUCTION

zFig 4.1 FRONT PANEL

POWER METER USER MANUAL

4-1.Function Description

(1) Remote Control Indicator

Remote Control Indicator

(3) Status IndicatorWhen the instrument is working normal, the RUN

indicator is flashing stably, if not, it will be appeared

constant on or off.

The HOLD indicator is on when press the key of

HOLD to maintain the display value not to be changed

by any input.

The MAX indicator is on when press the key of MAX,

the display then appears the maximum 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

(5) Unit Indicator

Display Window 【1】Milliwatt indicator.

Display Window 【1】Watt indicator.

Display Window 【1】Kilowatt indicator.

(9) Unit & Status Indicator

Display Window 【2】Volt indicator.

Display Window 【2】Kilovolt indicator.

Display Window 【2】Power Factor indicator.

Display Window 【2】Hertz indicator.

Display Window 【3】Milliampere indicator.

Display Window 【3】Ampere indicator.

POWER METER USER MANUAL

Display Window 【3】Kiloampere indicator.

Display Window 【2】Auto-range indicator. The

indicator is on when the window of voltage

measurement is set to auto-range. The voltage

measurement will be auto-ranged following the change

of external voltage.

Display Window 【3】Auto-range indicator. The

indicator is on when the window of current

measurement is set to auto-range. The current

measurement will be auto-ranged following the change

of external current.

Window 【2】for voltage Peak indicator. The Vpeak

indicator is on when the input voltage peak is larger

than the measurement of voltage range.

*If the Vpeak indicator is illustrated with manual

ranging, switch range 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.

Auto

Peak

POWER METER USER MANUAL

(8) Pushbuttons

Set up address for RS-458 interface only.

ADDR

․ Number key.

Set interface baudrate with 1200, 2400, 4800 and

9600 bps available for selection.

5Numberkey.

Set PT Ratio range at 1~9999.

0 Number key.

Set CT Ratio range at 1~9999.

6 Number key.

Set to the maximum value of the display, then press

the button again back to previous status.

1 Number key.

Set to the minimum value of the display, then press

the button again back to previous status.

7 Number key.

Set the voltage range upward, press and hold the

button for 2 seconds to enter autorange of voltage.

LOCA

BAUD

RATE

V PT

A CT

MAX

MIN

V△

POWER METER USER MANUAL

2 Number key.

Set the voltage range downward, press and hold the

button for 2 seconds to enter autorange of voltage.

8 Number key.

Set the current range upward, press and hold the

button for 2 seconds to enter autorange of voltage.

3 Number key.

Set the current range downward, press and hold the

button for 2 seconds to enter autorange of current.

9 Number key.

Set Window 【2】to indicate Voltage function.

4 Number key.

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▽

HOLD

POWER METER USER MANUAL

zFig. 4-2 REAR PANEL

Current Breaker

CIRCUIT-BREAKER

RESET

PRESS

AC 600V

SOURCE

INN

MAX

Power Inlet

AC 86V~265V 50/60Hz

AUX-SOURCE

Input Terminal Board

Interface Output

RS-232/RS-485

OUT

RS485

RS232

MAX

20A

LOAD

OUT

**Current Breaker: This is an Over-current protected component. When

the measurement is interrupted with over current input,

please reduce the measured load, then re-switch on, the

measurement can be back to normal.

POWER METER USER MANUAL

4-2.Wiring

zWithout PT or CT:

zWith CT

SOURCE LOAD

WARNING: Make sure that the source power is off before any

wiring connection.

WARNING: Make sure that all connecters are well connected

before the source power is on.

POWER METER USER MANUAL

5. USAGE DESCRIPTION

zBaudrate setting

1) Press the button of Baud to appear the letter of BAUD on the window 2,

window 3 indicates the previous setting parameters, and window 1

appears "————". If no further action, it will return to previous test

mode within 5 seconds, or press [Back] button directly.

2) Then proceed 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.

zAddress setting

1) Press [Addr] to appear ADDR on the window 2, window 3 indicates

previous setting parameters and window 1 appears "——". If no further

action, it will return to previous test mode within 5 seconds, or press

[Back] button directly.

2) Then proceed the following steps to set the desired parameters, such as

10:

— Press [1] to appear 1-.

— Press [0] to appear 10.

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.

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