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LED power driver input and output characteristics testing equipment harmonic measurement function I NAPUI PM9820
Input characteristic harmonic measurement function
Measurement Items |
Display unit |
Description |
U(k) |
V |
RMS voltage of the n-th harmonic. |
I(k) |
A |
RMS current of the n-th harmonic. |
Uthd |
V% |
|
Ithd |
A% |
Total harmonic current distortion |
Uhdf(k) |
V% |
The harmonic distortion factor of the nth harmonic voltage |
Ihdf(k) |
A% |
The harmonic distortion factor of the nth harmonic Current. |
l The number of harmonic measurements
Measurement Items |
unit |
Total effective value |
fundamental wave |
harmonic number |
U(k) |
V |
√ |
√ |
2~50* |
I(k) |
A |
√ |
√ |
2~50* |
Uthd |
V% |
√ |
× |
× |
Ithd |
A% |
√ |
× |
× |
Uhdf(k) |
V% |
× |
√ |
2~50* |
Ihdf(k) |
A% |
× |
√ |
2~50* |
Input characterization test | ||
Test function |
True effective value of voltage,True effective value of current,Active Power, Power factor, frequency and Total harmonic distortion of voltage and current. 0-50 times Harmonic true rms and relative values |
|
Input current frequency selection |
Narrow frequency(20Hz-5KHz), Broadband(20Hz-1MHz) |
|
Input characteristic measurement range |
Voltage |
5V-600V |
Current |
5mA-10A |
|
Frequency |
DC,45Hz-65Hz |
|
Accuracy |
±(0.15%read+0.15%range) |
|
Output characterization test | ||
Output steady state characteristic test |
True effective value of voltage, Oscillation frequency, rue effective value of current, Active power, Power factor |
|
Output characteristic measurement range |
Voltage |
3V-300V |
Current |
5mA-10A |
|
Frequency |
DC,45Hz-65Hz |
|
Accuracy |
±(0.15%read+0.15%range) |
No. |
Function |
Specification |
1 |
Power supply socket |
Used for input AC power supply. |
2 |
RS232/485 |
Realize serial communication with the host computer |
3 |
USB |
USB serial communication port |
4 |
Ethernet |
communication with the host computer |
5 |
Input measuring end |
|
6 |
Output measuring end |
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