The UMG 96-PA energy measuring device can combine four functions in one device and can be modularly expanded to include two analog inputs - either as 0-20 mA analog inputs (e.g. DC measurement) or as RCM measuring inputs with cable break detection and additional temperature measurement.
Suitable for measuring in all levels of TN < TT networks as well as in IT networks with voltage converters to record current, voltage, frequency, active, apparent < reactive power (per phase < total) in the frequency range 45 - 65 Hz, cos phi , total active, apparent < reactive energy as well as acquisition and delivery of active < reactive energy (4-quadrant measurement) in separate storage values as well as 2 tariffs, continuous real effective value measurement (True RMS).
2 comparator groups for the logical evaluation (And / Or, etc.) of 3 direct measured values or resulting measured values each with parameterizable lead and switch-on times as limit switches (limit value monitoring, etc.) with a cycle of >= 200 ms.
Digital drag pointer function (positive/negative) of the active and apparent powers as well as currents with external synchronization and freely adjustable period duration (1..166 min.)
Measurement of the positive, negative and zero systems as well as the rotating field direction. Total harmonic distortion (THD-I < THD-U), Total Demand Disortion (TDD), single harmonic (odd) for current < voltage up to the 25th harmonic.
Sampling rate of 8.33 kHz (50 Hz) with 166 measuring points per period (voltage and current measurement) as well as output of the measured values via the interfaces (cycle >=200 ms).
4 MB internal measurement data memory (flash) freely configurable by the user, clock with buffering.
Modular expansion option through the following optional function modules:

• Function module with 2 analog inputs for differential current or temperature measurements < 1 analog input for temperature measurement, 4th current transformer connection and Ethernet interface
• Function module with 2 analog inputs for differential current or temperature measurements < 1 analog input for Temperature measurement and 4th current transformer connection
Accuracy classes according to IEC 61557-12 at 50/60 Hz:
Active work: 0.5S / Current: 0.2 / Voltage: 0.2
Front panel built-in device, 96 x 96 x 86 mm (WxHxD), graphic LCD -Color display with 320 x 240 pixel resolution (backlit) as well as user-friendly menu navigation, 6 buttons, protection class (front / back) IP 40 / IP 20 (optional seal to IP54), protection class: II, net weight: 250 g, heat loss: max. 2 W.
Supply voltage:
Nominal range: 90 - 277 V AC, 90 - 250V DC
Frequency range (AC): 50 / 60 Hz
Overvoltage category: 300V CAT III
Voltage measurement:
3 Ph. + N (LN / LL) max.: 417 / 720 V
3 Ph. without N/PE (LL) max.: 600 V
Overvoltage category: 600V CAT III
Current measurement:
Anahl: 3x
measuring range / resolution: 5 mA to 6 A rms / 0.1 mA
Overvoltage category: 300V CAT II
Data interfaces:
Modbus (RS485 )
Data protocols:
Modbus RTU
Digital outputs:
Number: 3x optional
Function type: Pulse or limit value output
Supply: 24 V DC passive, galvanically isolated
Switching current / voltage / frequency: 50 mA effective / 60 V DC / 50 Hz
Digital inputs:
Number: 3x Optional
function type: digital or pulse input
Switching voltage level: 0 - 28V DC
Counting frequency: max. 20 Hz
Analog outputs:
Number: 1x
Function type: Analog current output
Output current range: 0/4 - 20 mA
Resolution: 10 bit
Update interval: 1 second
External supply voltage: max. 33V
Sales unit: 1 ST.