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Product Description of Meter testing and measurement instrument GF312D1 Hand-held Three Phase kWh Meter On-site Calibrator
The instrument 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.
Features and Functions
Three phase active or reactive electricity energy meter;
Calibrate three phase, single phase, 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;
Store and look measured data;
Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;
Measure CT variable ratio;
Measure the ratio or lag-angle of low-voltage transformer.
Print the data of measurement on site;
Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT 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.
w Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.
Specification
Test Voltage | |
Range |
5V – 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) |
Harmonic |
2nd -- 63st |
Power measure error | |
Active power (direct connection) |
±0.05% (0.1A – 20A) ±0.1% (0.01A – 0.1A) |
Reactive power (direct connection) |
±0.1% (0.1A – 20A) |
Energy measure error | |
Active energy (direct connection) |
±0.05% (0.1A – 20A) ±0.1% (0.01A – 0.1A) |
Reactive energy (direct connection) |
±0.1% (0.1A – 20A) |
Phase angle | |
Range |
0º – 360º |
Error |
±0.05º |
Frequency | |
Range |
45Hz – 65Hz |
Pulse output | |
High frequency output(CH) |
1×1011 (1mA – 10mA) 1×1010 (10mA – 0.1A) 1×109 (0.1A – 1.0A) 1×108 (1.0A – 10A) 1×107 (10A – 120A) |
Low frequency output(CL) |
2×10-5×CH |
Pulse ratio |
1:1 |
Output level |
5V |
Pulse input | |
Input channel |
1 |
Input level |
5 – 24V |
Input frequency |
Max. 2MHz |
Display | |
Resolution |
6”TFT (640×480) |
Function | |
Vector diagram |
yes |
Waveform |
yes |
Energy accumulation |
yes |
Communication port |
RS232 |
Communication with PC |
yes |
Other | |
Voltage Supply way |
External power |
Voltage Supply 1 |
220V ± 10%, 50/60Hz ± 2Hz |
Voltage Supply 2 |
Li-polymer battery, size: 110X51X16mm Nominal output voltage: 7.2V,Capacity: 5000mAh. |
Ambient temperature |
-10°C -- 55°C |
Relative humidity |
15% -- 85% |
Instrument Dimensions (W×H×D) (mm) |
245×162×60 |
Carry Case Dimensions (W×H×D) (mm) |
450×320×185 |
Weight (kg) |
1.7kg |
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