MultiTek Watt Transducer

M100-WA1 Single phase
M100-WA2 3 phase 3 wire balanced load
M100-WA3 3 phase 4 wire balanced load
M100-WA4 3 phase 3 wire unbalanced load
M100-WA5 3 phase 4 wire unbalanced load
M100-WA6 3 phase 3 wire balanced load externally connected reverse C.T.s
M100-WA7 3 phase 3 wire balanced load internally reversed C.T.s

The M100-WA series measure active power in single, 3 phase 3 or 4 wire balanced and unbalanced systems. Using the time division multiplier circuit means that they can be used over a wide range of input waveforms. The D.C. Output signal is directly proportional to the instantaneous power being measured.
Typical applications include the measurement of power in switchboards, power stations, generating sets etc. The high isolation of 4kV as with all the M100 series, allows these watt transducers to be connected to a variety of measuring and control devices and systems, such as analogue meters, PLC, computers, data loggers, digital instruments and telemetry systems.
Both auxiliary powered and self powered versions of each type are available, it is recommended to use an auxiliary powered version if the system being measured has voltage variations in excess of ± 20%.

Product Code I/P In Un O/P Range Aux Freq Opt.
M100-WA5 800/5A 230v 0-20mA 600kW 230v 50Hz

1. Non standard inputs / outputs only as far as technically acceptable.
2. A.C. Auxiliary in range 57.7 to 450 volts
3. Calibration at nominal Hz 35.....450Hz
4. Calibration at temperature other than 23°C
Rated value In 1 or 5 Amp C.T. connected
0.5-10 Amp direct connected
Rated value Un 57.8 < 600 volt
Power consumption <1 VA voltage
<0.2 VA current
Working range 0-125% Un auxiliary powered
75-125% Un self powered
0-150% In
Rated Frequency 50 / 60 / 400 Hz
Frequency influence 0.005 % / Hz
Overload continuous 4 x In 1.5 x Un
Overload for 1 sec. 50 x In 2 x Un

Rated value mA 0-1/5/10/20 & 4-20mA

Rated Value Volts 0-5 / 10 & 1-5 V

Zero ± 2%
Span ± 10%

A.C. Voltage 115 / 230 / 400 V (± 25% / 45-65
Hz / < 2VA)
D.C. Voltage 24 / 48 / 110 V (± 20% /
galvanically isolated / <3 W)

M100-WA1,2,3,6,7 Approx. 0.6kg. 100mm case
M100-WA4,5 Approx. 0.8kg. 100mm case

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