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Help CenterGF312D Hand-held Three Phase Energy Meter Field Calibrator
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Accuracy class 0.05%/0.1%/0.2%
Product Description
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
w Three phase active or reactive electricity energy meter;
w Calibrate three phase, single phase, active or reactive meter error;
w Measure U(voltage) of three phase or single phase;
w Measure I(current) of three phase or single phase;
w Measure active power of three phase or single phase;
w Measure reactive power of three phase or single phase;
w Measure apparent power of three phase or single phase;
w Measure power factor of three phase or single phase;
w Measure phase angle between voltage and current;
w Measure frequency of power line;
w Display vector diagram;
w Display waveform of U and I;
w Analyze and display content of harmonic of U and I;
w Store and look measured data;
w Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;
w Measure CT variable ratio;
w Measure the ratio or lag-angle of low-voltage transformer.
w Print the data of measurement on site;
w Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT LCD;
w 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) |
| Reative 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 | |
| Input channel | 6”TFT (640×480) |
| Function | |
| Vector diagram | Yes |
| Waveform | Yes |
| Energy accummulation | Yes |
| Communication port | RS232 |
| Commuication 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 Dimension (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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