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Help CenterNANAO ELECTRIC Manufacture NADXC Power Harmonic Measuring Tester
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The main performance and technical indicators of NADXC
This power quality of the power grid is a measure of the quality of the power supplied to the user at the receiving end and for the user to use. It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
NADXB power harmonic measurement alarm object for the 45 ~ 65Hz AC frequency measurement of the signal, The specific technical parameters are as follows
1. Measurement accuracy
Table 1. main instrument performance and technical indicators
Data |
Measuring range |
Working error |
Resolution |
Remarks |
AC Voltage |
( 10～500）V |
±（0.4%Reading + 0.1% of range） |
0.1V |
Max：600V |
AC Current |
Current clamp can option |
0.001A |
Max：1.1 times |
|
Power |
U*I*PF |
PF=1.0：±（0.4%Reading + 0.1% of range） PF=0.5：±（0.8%Reading + 0.2% of range） |
≥200W 1W |
Test current > 0.01*Current range |
Power factor |
0.20～1.00 |
±0.02 |
0.01 |
> 0.5A; |
Frequency |
（45～65）Hz |
±0.01 Hz |
0.01 Hz |
U > 50 V |
Electricity |
9999.9 MWh |
PF=1.0：±（0.4%Reading + 0.1% of range） PF=0.5：±（0.8Reading + 0.2% of range） |
||
Time |
1m~999h59m |
±0.05 ％ |
1 Second |
|
Harmonics |
1~50 times |
|||
Real time |
24 Hour Format |
1 Second |
Note: The current range of reference meter matching current clamp, customer orders should confirm the appropriate current clamp.
2. Other parameters:
Input mode: voltage and current are floating input;
Input impedance: Voltage terminals: ≥ 600 kΩ;
Current terminal: current clamp
Measurement signal maximum peak: voltage and current are 1.6 times the maximum range;
Conversion rate: about 20,000 times / second;
Display update: about 2 times / sec;
Power consumption:
Instrument weight: about 4 kg
Meter size: width x height x height: (264 × 117 × 330) mm
3. Working environment:
Atmospheric pressure: (86 ~ 106) kPa;
Temperature: (0 ~ 40) ℃;
Humidity: ≤ 85% RH
Working power: AC 220V ± 15% 50 / 60Hz
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