GF3121 wireless three-phase kWh meter site verification

Portable Calibrators, Meter Test System,Portable Meter Tester,Power and Energy Reference Standards,Energy Meter Test

Application

It is suitable for measuring power grid companies test center, power supply company , power supply management, power metering, technical supervision department, industrial and mining enterprises, petroleum, chemical industry, electric power measure of the department.

Main Functions and Features:

1, Test single-phase and three-phase induction type, mechanical and electrical meter; and it can also test two different constants of watt-hour meter;

2, Real-time field measurement three-phase voltage, current, active power, reactive power, phase, power factor, frequency, power, and a screen display all measured parameters;

3, Measure CT variable ratio; Display voltage current vector diagram and check the wiring errors, giving the wrong wiring state power loss;

4, Several way of power supply, external AC power supply, it also can line voltage power supply;

5, Dynamic tracking load changes, the voltage, current fluctuating site also can steadily calibration watt-hour meter error;

6, Divided into direct measurement and current clamp measurement, good stability, safety and reliability;

7, Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;

8, Measure 2 ~ 63 times harmonic content, showed great harmonic wave diagram and the figure, the harmonic analysis;

9, With micro printer, but the spot printing; And take barcode scanners to be automatic scanning electric energy meter, the table;

10, With intelligent photoelectric sampler, convenient to the pulse to adopt several watt-hour meter.

11, Big screen color liquid crystal display, simple operation, convenient; the large capacity memory, it can store 5000 sets of data;

12, With RS232 interface, which can be the scene of the measurement data storage will be turning to the computer analyzed with;

13, With wireless PDA, convenient operation and data management.

Technical Data

GF3121	Measurement range	Effective resolution	Accuracy1	Accuracy2
voltage	6~600V	0.001V	0.02%	0.05%
Current CT	0.002~20A	0.002A	0.02%	0.05%
Current (clamp)	0.01~100A	0.001A	0.2%	0.2%
frequency	45~65Hz	0.001Hz	0.01Hz	0.01Hz
Active power	0~±Umax X Imax	0.0001W	0.05%	0.1%
Reactive power	0~±Umax X Imax	0.0001Var	0.1%	0.2%
Apparent power	0~±Umax X Imax	0.0001VA	0.1%	0.2%
Active energy error			0.05%	0.1%
Reactive energy error			0.1%	0.2%
Power factor	0~±1	0.0001	±0.001	±0.001
Phase Angle	0~359.999º	0.001 º	±0.05 º	±0.05 º
Power constant	72000imp/kWh,7200imp/kWh,720imp/kWh*4
Use of the environment	-10~+55°C,15~85%RHD,altitude :-10~3500m
Temperature on the	≤10ppm/°C(U/I),≤15ppm/°C(Other quantities )
Frequency influence	≤20ppm/Hz
Pulse interface	TTL level * 6
Communication interface	RS232
Power supplies 1	Line voltage power supply 40 ~ 450 V AC, 10 VA
Power supplies 2	External power supply 220V±10% AC, frequency 50/60 Hz
Dimensions	300mm×300mm×300mm
Host quality	3.5Kg

GF3121 wireless three-phase kWh meter site verification