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
