3 Phase Energy Meter Calibration Equipment

GF312V2 portable three phase multifunction watt-hour meter calibrator on-site is the newest product produced by our company by widely visiting users and referring to the advantages of the same kind of products home and abroad. The measured part of the product adopts high speed A/D transmission to send DSP to conduct digital processing, which largely improves measured degree of accuracy and stability. Central processing part adopts 32-bit ARM embedded technology to make instrument interface novel, function abundant, operation distinct and easy, and performance steady. Class of accuracy: Class 0.02, 0.05 or 0.1, range from 12A/600V or 120A/600V, with comfort design, small size and light weight. The model GF312V2 watt-hour meter calibrator is suit for electric power departments, measuring and quality examining departments and electric lab to field use.

GF312B portable three phase energy meter calibrator with printer is used to calibrate three phase, single phase, active and reactive energy meters error. And it also can be used as voltage, current and power meter to measure AC parameters of three phase power line. It can measure wave distortion factor and 2nd to 64nd harmonic wave. GF312B calibrator is used for grid corporation of measurement and energy test center, metrological service of power supply bureau, national energy measurement of testing authorities.

The instrument GF312D1 is a precision 0.05% AC energy meter testing instrument, mainly used to test three phase energy meter error on site, measure all various of AC parameters and CT ratio & phase error, it is also as three phase reference energy meter in the laboratory. Mainly using test single phase or three phase meter error on site. GF312D1 energy meter calibrator is an ideal test tool for the metrological service of electricity power company.

Product description:

Three Phase Energy Meter Field Calibrator is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.

Technical index:

Electrical parameters

Accuracy class

0.05%, 0.1%

Resolution

6 TFT (640-480)

Electrical parameters - continued

Power supply

220V±10%, 50/60Hz

Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh)

Power line supply (U1, UN), 85V-265V 50/60Hz

Communication port

RS232

Test voltage

Range

5-480V

Error

±0.05% (30V-480V)


±0.1% (5V-30V)

Harmonic

2nd-63st

Test current

Range (direct connection)

5mA-20A

Error (direct connection)

±0.05% (100mA-20A)

±0.1% (10mA-100mA)

Range (clamp CT)

10mA-3000A

Error (camp CT)

�±0.2% (100mA-100A)

±0.5% (100A-3000A)

Harmonic

2nd-63st

INTRODUCTION:
The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure all various of AC parameters.
FEATURES
Three phase active or reactive electricity energy meter.
Calibrate three phase, single phase, and active or reactive meter error.
Measure U(voltage) of three phase or single phase.
Measure I(current) of three phase or single phase.
Measure active power of three phase or single phase.
Measure reactive power of three phase or single phase.
Measure apparent power of three phase or single phase.
Measure power factor of three phase or single phase.
Measure phase angle between voltage and current.
Measure frequency of power line.
Display vector diagram.
Display waveform of U and I.
Analyze and display content of harmonic of U and I.
Measure 2-64 harmonic of U, I.
Store and display measured data.
Optional 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A current clamp.
Measure CT variable ratio.
Measure the ratio or lag-angle of low-voltage transformer.
Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT color LCD.
Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity.
Low consumption circuit design, high energy Lithium battery supply, intellectual power management software, which enables the instrument continuously working up to 10 hours.

The Portable Three Phase kWh Meter test equipment is used for grid corporation of measurement and energy test center, management department of power supply bureau, national energy measurement of testing authorities, and also used to test each kind of single/three phase kWh meter of industries and mining enterprises as well as electric meter manufacturers. Meanwhile, the calibrator also can be used as one high precision standard power source.

The GF302D1 three phase portable energy meter test equipment consists of an integrated three phase current source(up to 500V/120A or 500V/20A) and built-in three-phase electronic reference standard of accuracy class 0.05%. Characteristic features of the GF302D1 are its wide measuring range, high accuracy and high tolerance to unwanted external influences. The equipment offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 7" touch LCD-display. Voltage & current harmonics output from 2 to 63 times. This model portable meter test equipment can be programmable by PC, automatic generation of energy meter error test report.

Product Introduction


3-phase energy meter calibrator introduction:

HZ-3521 handheld meter field calibrator is a measurement of electrical parameters power meter calibration wiring judged as one of the high-precision test instrument.



Product Characteristics

3-phase energy meter calibrator introduction:

TKSX-3 handheld meter field calibrator is a measurement of electrical parameters power meter calibration wiring judged as one of the high-precision test instrument.



3-phase energy meter calibrator technical parameters:

Input feature

Voltage measuring range: 0 ~ 400V 57.7V 100V 220V 400V fourth gear automatic switching range.

Current measuring range: 0 ~ 5A built-in transformer into 5A (CT) files. Clamp transformer for the 5A (small pliers) 25A (small pliers) 100A (the clamp) 500A (the clamp) 400A (tongs) 2000A (tongs) six stalls. (Including medium and large Clamp Meter is optional)

Phase angle measuring range: 0 ~ 359.999

Frequency Measurement Range: 45 ~ 55Hz.

INTRODUCTION
GF312V2 portable three phase multifunction energy meter calibrator is with comfort design, small size, and light weight. It is suit for electric power departments, measuring and quality examining departments and electric lab to field use.
TECHNICAL SPECIFICATION
Electrical parameters
Accuracy class 0.05%, 0.1%
Power Supply External power, 220V/110V, 50/60Hz
Phase voltage supply 45-450V, 50/60Hz
Li-Battery supply
Voltage measurement
Range 30-560V
Error ±0.05%
Harmonic 2nd-51st
Current measurement
Range (direct connection) 0.01-10A
Range (clamp CT) 5A,100A,500A,1000A,2000A (option)
Error (direct connection) ±0.05%
Error (clamp CT) ±0.2% (5A, 100A )
±0.5% (other)
Harmonic 2nd-51st
Power measure error
Active power (direct connection) ±0.05%
Active power (clamp CT) ±0.2% (5A, 100A)
±0.5% (other)
Reactive power (direct connection) ±0.1%
Reactive power (clamp CT) ±0.2% (5A, 100A)
±0.5% (other)
Energy measure error
Active energy (direct connection) ±0.05%
Active energy (clamp CT) ±0.2% (5A, 100A)
±0.5% (other)
Reactive energy (direct connection) ±0.1%
Reactive energy (clamp CT) ±0.2% (5A, 100A)
±0.5% (other)
Phase angle
Range 0-360
Resolution 0.01
Error ±0.05
Frequency
Range 45Hz-65Hz
Resolution 0.001Hz
Error 0.002Hz
Pulse output
Energy constant 25000
Pulse ratio 1:1
Output level 5V
Pulse input
Input channel 2
Input level 5-10V
Input frequency Max. 100Hz
Display
Resolution 7 TFT color (480-234)
Function
Vector diagram
Waveform
Energy accumulation
CT ratio test
Local parameter input
Wiring emulation
Self-calibration
Recorder check
Data storage
Data storage qty 5000
External extend memory
Screen printing
Communication port USB/RS232
Communication with PC
Upload data
External mini printer
External keyboard
Dimensions (WHD) (mm) 245-16870
Weight (kg) 1.8
Environmental conditions
Ambient temperature -25C to +45C
Relative humidity 30%-95%