Features, Applications – Atec AEMC-3945 User Manual
Page 3
Three-Phase Power Quality Analyzer PowerPad
™
Model 3945 (pdf)
Rev. 04
05/05
Technical Assistance (800) 343-1391
3 of 13
Features
•
True RMS single-, two- and three-phase
measurements at 256 samples/cycle, plus DC
•
Real-time color waveforms
•
Easy-to-use on-screen setup
•
Automatic current probe recognition and scaling
•
True RMS voltage and current measurement
•
Measures DC volts, amps and power
•
Display and capture voltage, current and power
harmonics to 50
th
order, including direction, in real time
•
Capture transients down to 1/256
th
of a cycle
•
Phasor diagram display
•
Peak voltage and current
•
Nominal frequency from 40 to 70Hz
•
VA, VAR and W per phase and total
•
kVAh, VARh and kWh per phase and total
•
Neutral current display for three-phase
•
Crest factors for current and voltage
•
Transformer K-factor display
•
Power Factor, displacement PF display
•
Captures up to 50 transients
•
Short-term flicker display
•
Phase unbalance (current and voltage)
•
Harmonic Distortion (total and individual) from 1
st
to 50
th
•
Alarms, surges and sags
•
Records date and characteristics of disturbances
•
Immediate printout directly to a printer
•
Screen snapshot function captures waveforms or other
information on the display
•
Optically isolated RS-23 communication port
•
Includes DataView
®
Professional software for data
storage, analysis and report generation
•
EN 61010, 600V Cat. III
Applications
•
Verification of power distribution circuits
•
Measurement and recording of power system quality
(kW, VA, VAR)
•
Energy metering (kVAh, VARh, kWh)
•
In plant troubleshooting of power distribution panels and
individual machinery
•
Monitor pad mount transformers
•
Determine harmonic problems originating from source or
load
•
Monitor phase unbalances
•
Determine transformer K-factor
•
And much, much more
Power quality analysis on a three-phase panel using the AmpFlex
™
flexible current probes.
Measure all three phases of voltage and current
simultaneously.