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Help CenterMeter Test Equipment GF211B Portable Electricity Energy Meter Test Instrument
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GF211ZB Double Clamp Phase Volt-ampere Meter,english version display,lightweight portable,two years quality warranty.
(Accuracy class 1%/2%)
Application
GF211B double clamp phase volt-ampere meter is a multi-functional portable instrument. It can measure not only alternating voltage, but also alternating current. Its important function is to measure phase angle between two voltages, between two current or between voltage and current. The current signal is obtained by the clamp current transformer without cutting off current wire. It can discern inductive circuit and capacitive circuit; can directly read differential protection phase among every unit of CT; can check connection of transformer; measure three way voltage phase sequence; can check whether the meter connection is right or not; can evaluate the running speed of electric kWh meter. It has high resolution of current, so can be used as a leakage current meter. It is an ideal choice for electric power bureau, factories, mine, petroleum -chemistry enterprises, metallurgy factories and so on.
Specifications
2.1 Scale
2.1.1 Phase: 0-360°
2.1.2 AC Voltage: 500V
2.1.3 AC Current: 200mA / 2A / 10A
2.2 Fundamental error (under standard operating environment)
2.2.1 Standard Condition
Temperature |
Moisture |
Wave Form |
Frequency |
Wire Position |
Phase measurement |
|
voltage |
current |
|||||
23°C±5°C |
<65% |
Sine wave Distortion ≤1% |
50± 2Hz, 60± 2Hz |
center of clamp |
100V± 25V |
1A±0.2A |
2.2.2 Phase accuracy 1.0% FS
2.2.3 Voltage accuracy
Scale |
Accuracy |
Resolution |
200V |
1.0FS |
0.1V |
500V |
1.0FS |
1V |
2.2.4 Current accuracy
Scale |
Accuracy |
Resolution |
10A |
2.0FS |
10mA |
2A |
2.0FS |
1mA |
200mA |
2.0FS |
0.1mA |
2.3 Input impedance:
2.3.1 1MΩ when measure voltage
2.3.2 input voltage impedance>120KΩ when measure phase
2.4 operation condition
Temperature |
Moisture |
Phase measurement |
|
voltage range |
Current range |
||
0°±40° |
≤80% |
3V-500V |
0.01A-10A |
2.5 additional error
2.5.1 When measure phase angle, the voltage and the current are in the range of the operating conditions, the additional error is less than the fundamental error.
2.5.2 When measure current, the error led by wires away from center of clamps is less than the fundamental error.
2.6 Safety specification
2.6.1 Resistance to voltage
The meter can resist 1000V (AC sinewave, 50Hz or 60 Hz) for 1 minute both between the meter circuit and the meter case ; Between input joint U1 and U2 can resist 500V(AC sinewave,50Hz or 60 Hz) for 1 minute .
2.6.2 Insulation resistance
The resistance both between the meter circuit and the meter surface and between the terminals U1 and U2 is greater than 100MΩ.
2.7 Power supply Two 9V batteries.
2.8 Size and Weight: 85mm×167mm×35mmm 0.5Kg
Accessories
No |
Name |
Number |
1 |
Double clamp phase volt-ampere meter |
1 |
2 |
Clamps 10A |
2 |
3 |
Clamp wire |
2 |
4 |
Voltage wire |
2 |
5 |
User's manual |
1 |
6 |
Certification of quality |
1 |
7 |
Box |
1 |
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