MTL3071 repeater powder supply

MTL3071 repeater powder supply

The MTL3071 accepts a low-level dc signal from a temperature sensor in a hazardous area, and converts it into a 4/20mA loop current in the safe area proportional to millivolts (but not temperature). It can monitor any one of six types of thermocouple, or a millivolt signal from an emf source. Calibration is carried out by the user via controls located in the top and the side of the unit. This can be effected without the use of a thermocouple since the unit's built-in cold junction compensation (CJC) is zeroed at 0°C, and can be bypassed.Thermocouple type is switch-selectable, as is the optional safety drive which initiates either a high or low output in the event of thermocouple burnout or any cable breakage. Input zero and span are selected by switches (coarse adjustment) and potentiometers (fine adjustment).

Number of channels:One, fully floating

Loop supply voltage:15 to 35V dc

Output range:4 to 20mA

Maximum load resistance:50(Vs –15) Ω

Weight:170g

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