Measurement Functions

PS2500
Power and Data Logger

PS3500
Energy Analyzer

PS4500
Power Quality Analyzer

Real-time display of meter values
(multimeter function)

YES

YES

YES

RMS Volts & Amps

YES

YES

YES

DC Volts & Amps

YES

YES

YES

50Hz, 60Hz & 400Hz

YES

YES

YES

Energy (kWh), Demand
Power (W, VA, Var, pf etc.)

YES

YES

YES

Harmonic Spectrum and THD

YES
(option)

YES

YES

Power Quality
Sag (dip), swell event capture

YES

Power Quality
Transients, impulses

YES

High-frequency noise

YES
(option)

Motor Diagnostics

YES
(option)

Safety

PS2500
Power and Data Logger

PS3500
Energy Analyzer

PS4500
Power Quality Analyzer

CAT-IV Safety rating 600V/8000V

YES

YES

YES

Communications to PC

PS2500
Power and Data Logger

PS3500
Energy Analyzer

PS4500
Power Quality Analyzer

Bluetooth communications

YES

YES

YES

Removable Memory Card Capability

PS2500
Power and Data Logger

PS3500
Energy Analyzer

PS4500
Power Quality Analyzer

SD Memory Card slot up to 2GB

YES

YES

YES