PMU
Power Meter Unit

Inavitas PMU (Power Meter Unit) is a new generation network analyzer that measures and enables real time monitoring of energy parameters. Inavitas PMU (Power Meter Unit) monitors up to 5 channel three phase circuits or 15 channel single phase circuits or any combination of single or three phase circuits.

This flexibility makes Inavitas PMU perfect for multi-tenant facilities such as distribution substations,
office buildings, data centers and shopping malls. The user can monitor all energy parameters in real time and configure current and voltage polarities, transformer ratios and serial communication settings easily via Inavitas PMU user interface software.

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Device Specifications
Supply Voltage Range9-18 VEr / 18-36 VDc
Nominal Supply Voltage12 VDc/ 24 VD,
CPUARM Cortex-M4 32 Bit
Flash128 kB
RAM64 kB
Watchdog TimerSystem Reset / 5 sec
Power Consumption5VV @ 24 V pc
Real Time ClockAvailable
ConfigurationInavitas PMU Configuration Software
Communication Specifications
Communication Protocols802.11 b/ Modbus-RTU (Slave) g/n
Serial InterfacesRS-485 (Isolated), Micro USB C Type 2.0
Serial Communication Speed1200bps – 115200bps
Connection Type3-Wired (A, B, GND), Semi Duplex
Data Type8 Bit Data, No Parity, 1 Bit Stop
Insulation2.5 kV„, RMS 1 Minute
Usb Data Transfer Speed480 Mbit/s
Power Measurement Specifications
Voltage Measurement Range0 – 275 V„Rms (L – N), 0 – 500 VAums (L – L)
Curren Measurement Range1 – 4000 AAc,,,m, (Split Type)
Frequency50 / 60 Hz ±5%
Voltage Channels3P + N (3 Phase Voltage and Neutral)
Current Channels5 x 3P (Either 15 Phases or 6 Single Phases)
Sampling Frequency128 Sample / Cycle
Voltage Accuracy±0,5%
Current Accuracy±0,5%
Active Energy AccuracyIEC 62053-22 Class 0.5S
Accuracy ClassIEC 61000-4-30 Class S
Detailed MeasurementsOutage / Maximum Voltage, Current and Power Demand
Programmable AlarmsUnder Voltage / Over Voltage / Low Current / High Current
Environment Conditions
Operating Temperature-25°C / +85°C
Storage Temperature-40°C / +70°C
Operating Humidty25% – 95% RH
Protection ClassIP20
Mechanical Specifications
Device Dimensions (W x H x D)35mm x 100mm x 115mm
Weight230gr
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