PQT-H Smart Modular Power Quality Transducer View larger

PQT-H Smart Modular Power Quality Transducer

3-phase utility grade power quality transducer. Particularly recommended for the measurement of the main electrical variables.

Housing for DIN rail mounting. RS485/RS232 communication ports, Ethernet port, pulse and alarm outputs available on request. Parameters programming and data reading by means of PqtHSoft.

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Features

• Class 0.2 (current/voltage)

• ARM® powered

• Measurement of single phase and system instantaneous variables: W, var, VA, PF, VLL, VLN, AL, An, Hz, THD, ASY VLL, ASY VLN (for all measurements max, min, dmd/AVG and max dmd/AVG values)

• Measured energies (imported/exported): kWh and kvarh

• Current and voltage inputs with autoranging capability

• Instantaneous variable in IEEE-754 floating point format

• Total and partial energies unsigned 64bit data format

• Energy measurements according to ANSI C12.20, CA 0.5, EN62053-22 CL 0.5S and ANSI C12.1, EN62053-23 CL 2

• 4 total 3-phase, 48 partial 3-phase and 12 total single phase independent energy meters to be used as single, dual, multi-time tariff management

• Harmonic distortion analysis (FFT) up to the 63rd harmonic with numeric indication (current and voltage)

• Harmonics source detection

• Data stamping of up to 10,000 events: alarm, min, max, digital input status, digital output status as remote control, resets

• 3 independent communication ports: optional RS 422/485 serial port, optional RS232 + real time clock function (with back-up), optional Ethernet port

• MODBUS RTU and TCP, JBUS protocol, iFIX SCADA compatibility

• Real time clock function (without back-up)

• Up to 12 optional digital inputs (sync function, remote digital input control)

• Up to 16 optional digital outputs (pulse, alarm, remote control)

• 16 freely configurable alarms with OR/AND logic linkable with up to 4 relay outputs and up to 16 open collector outputs

• Up to 8 optional analogue outputs (+20mA, +10VDC, +/- 5mA)

• Universal power supply: 18-60VAC/VDC, 90-260 VAC/VDC

• Protection degree: IP 20

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