The analogue 2-wire transmitter Type 956045 converts resistance thermometer and thermocouple signals to a proportional 4…20 mA current. In the Pt 100 version this signal is proportional to temperature while the thermocouple version has the output proportional to the thermo-couple voltage. The 4…20 mA standard signal ensures inter-ference-free transmission over long distances. The transmitter is designed to fit into terminal heads Form B to DIN 43 729. The transmitter is available in four variants.
As intrinsically safe device it has to be operated in an intrinsically safe circuit and can then be used in Ex Zone 1 or 2. The intrinsically safe circuit is produced by the transmitter supply unit. The transmitter supply unit has to be mounted outside the Ex-protected zone.
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