Energy Meter Calibrator, Energy Meter Calibration, Energy Meter Tester manufacturer / supplier in China, offering Three Phase Energy Meter on-Site Calibrator, DC system Matainence Comprehensive Battery Test Set, Portable multi-function digital three phase cable power quality analyzer and so on.
This tester is used for electrical parameters measurement, energy meter calibration and wiring correctness test.
The instrument is a high precision measuring instrument, which can be used in the power quality problems such as the electric energy meter calibration, the electric parameter test and the detection of the power quality problems such as wave distortion, voltage fluctuation and three-phase unbalance
Can on line test the integrated error of the real load testing and metering equipment, without power off, without changing the metering circuit; without opening the metering device
It can accurately measure a variety of electrical parameters, such as voltage, current, active power, reactive power, phase angle, power factor, frequency,etc.
Can match Load box for accurate measurement under user no load or low load situation
It can display the vector diagram of the measured voltage and current, by which users can judge if the metering device wiring is correct or not, can discriminate 48 kinds of wire connecting under three phases three wire connection mode, and can auto calculate electric quantity compensation.
The current circuit can be measured using clip on transformer without disconnecting current loop
Can check voltage meter, current meter, power meter, phase meter and other indicators as well as three-phase three wire, three-phase four wire, single phase 1A, 5A all kinds of active and reactive power meter.
Can use photoelectric, manual, pulse and other methods for energy meter calibration
Measurement and analysis of the AC power quality from the utility grid to client can be easily done, including frequency deviation, voltage deviation, voltage fluctuations, flicker, three-phase voltage unbalance factor and harmonic.
It can display single-phase voltage, current waveform and can also display three-phase voltage and current waveform
The load fluctuation monitoring: measurement and analysis of power quality fluctuations caused by different running of all kinds of electric equipment to the utility grid, auto recording of electric power parameters.
Dynamic monitoring of power equipment adjustment and operation
It can measure and analyze the dynamic parameters of reactive power compensation and filtering devices in the power system, and make quantitative evaluation of its features and technical specifications.
Calendar and real clock function, data automatically save during testing and can upload to computer
Large LCD display and user-friendly interface
It has a small size, light weight, easy to carry. It can be used both as site testing measurement and as the standard measurement equipment in laboratory.
1. Measuring range voltage measuring range: 0~400V,57.7V,100V,220V,400V, 4 gears automatically shift range Current measuring range: 0~5A built in transformer 5A(CT), clip on transformer: 5A(small clip),25A(small clip),100A(medium clip),500A(medium clip),400A(big clip),2000A(big clip)6 gears, medium and big clips optional Phase angle measuring range: 0~359.999° Frequency measuring range: 45~55Hz.
2 Accuracy 1>Voltage: ±0.02%(±0.1%) 2>current: ±0.02%(±0.1%)(clip on transformer±0.2%) 3>Active power:±0.02%(±0.1%)(clip on transformer±0.2%) 4>Reactive power: ±0.3%(±0.5%)(clip on transformer±1.0%) 5>Active power energy:±0.02%(±0.1%)(clip on transformer±0.5%) 6>Reactive power energy: ±0.3%(±0.5%)(clip on transformer±1.0%) 7>Frequency: ±0.05%(±0.1%) 8>Phase position: ±0.2°
3. Power quality: Fundamental voltage and current amplitude: the fundamental voltage tolerance ≤0.5% FS; fundamental current allowable error ≤1% FS phase difference between fundamental voltage and current error:≤0.5° Harmonic voltage containing rate measurement error:≤0.1% Harmonic current containing rate measurement error:≤0.2% Three phase voltage unbalance degree error:≤0.2%
4. Working temperature: -10 ºC ~ + 40 ºC 5. dielectric strength 1. the insulating resistance of voltage current input terminal to case≥100MΩ 2) the input terminal of the working power can stand 1.5kV (RMS) to case, time is 1 minute
6. Standard power energy pulse constant: Built-in transformer (FL)=10000 r/kW·h Clip on transformer: (FL): 5A:10000 r/KW·h 25A:2000 r/KW·h 100A:500 r/KW·h 500A:100 r/KW·h 400A:125 r/KW·h 2000A:25 r/KW·h