eem2am
Banned
Hello,
We were testing a PFC LCD-Television power supply.
We wanted to read the power input from the mains during active standby mode. (its around 10 to 20W , depending on TV model)
We tried using the Voltech PM100 Power analyser, but the power reading was "jumping about".
VOLTECH PM100 DATASHEET:
VOLTECH|PM100|ANALYSER, POWER, 1 PHASE | Farnell United Kingdom
Then a senior engineer came along and told us not to use the PM100 because he said it is inaccurate.
...However, there is nothing in the PM100 datasheet to suggest it would be inaccurate.
We ended up being told to use a Yokogawa PZ4000 instead........
PZ4000 POWER ANALYSER DATASHEET:
Yokogawa - Products - PZ4000 Power Analyzer
So why is the PM100 so bad?
I have heard bad reports of the PM100 in other companies....specifically its poor accuracy.....even when seen to be calibrated.
We were testing a PFC LCD-Television power supply.
We wanted to read the power input from the mains during active standby mode. (its around 10 to 20W , depending on TV model)
We tried using the Voltech PM100 Power analyser, but the power reading was "jumping about".
VOLTECH PM100 DATASHEET:
VOLTECH|PM100|ANALYSER, POWER, 1 PHASE | Farnell United Kingdom
Then a senior engineer came along and told us not to use the PM100 because he said it is inaccurate.
...However, there is nothing in the PM100 datasheet to suggest it would be inaccurate.
We ended up being told to use a Yokogawa PZ4000 instead........
PZ4000 POWER ANALYSER DATASHEET:
Yokogawa - Products - PZ4000 Power Analyzer
So why is the PM100 so bad?
I have heard bad reports of the PM100 in other companies....specifically its poor accuracy.....even when seen to be calibrated.