Chapter 1 General Information
6 Series PM172 Powermeters
Chapter 1 General Information
The PM172 is a compact, multi-function, three-phase AC powermeter
specially designed to meet the requirements of users ranging from electrical
panel builders to substation operators.
Bright 3-row LED display provides easy local meter readings. The display
module is freely detachable and can be located at a distance of up to 1000
meters from the device.
Two communication ports allow local and remote automatic meter readings
and setup though the supplemental communication or user data acquisition
software. Different communication options are available for remote
communications with the meter including public telephone lines, LAN and the
Internet.
The PM172 Series product line includes three models of devices:
• PM172P – basic model – offers all standard metering
and control capabilities of the PM172 Series
• PM172E – adds to above an energy meter, an event
recorder and a multi-channel data recorder.
• PM172EH – adds to above extended harmonic
analysis and incorporates a fast waveform recorder
with the voltage disturbance monitor.
Features:
• 3 voltage and 3 current transformer-isolated AC
inputs for direct connection to power line or via
potential and current transformers
• Multi-function 3-phase meter (true RMS, volts, amps,
power, power factor, neutral current, voltage and
current unbalance, frequency)
• Embedded harmonic analyzer, voltage and current
THD, current TDD and K-Factor, up to 40th order
harmonic
• Voltage and current harmonic spectrum and angles,
harmonics power and energy (PM172EH)
• Ampere/Volt/THD/TDD demand meter
• Class 0.2 four-quadrant energy meter
• Time-of-Use, 8 totalization and tariff energy/demand
registers x 8 tariffs, 4 seasons x 4 types of days, 8
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