Amprobe Charts Three Phase Power Quality Recorders

There are three main things to consider regarding power quality recorders.

  1. Safety - It should have a minimum category rating of CAT III, 600V
  2. Features - Can it perform the task for the job at hand?
  3. Value - For the features shown, is it a good price?
 
Features DM-II PLUS DM-III Multitest (F)
Safety, CAT III 600V or better
Current Transducers 1000A or 3000A 1000A or 3000A
Measurements & Recording  
V & I (including waveforms)
Transient / Sag / Surge
Frequency Measurement
Power (P,Q,S)
Power Factor
Energy (EP, EQ, ES, Demand)
Harmonics - THD, DC, individual up to 49 or better
Phase sequence
Megohmmeter N/A
Other  
On board memory 2 MB 2 MB
Hard Case - Recording on the site N/A Optional
Fundamental frequency 50 Hz & 60 Hz 50 Hz & 60 Hz
Software Included Included
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