31490 Rotary Position Transmitter
- 4 - 20mA DC Output Signal
- Explosion-Proof Housing
- Potentiometer Type Transmitter
- Accuracy of ±1% of Full Range
The Model 31490 Rotary Position Transmitter is a potentiometer type transmitter which transmits field information to a remote point.
The Model 31490 Rotary Position Transmitter is
used principally as a feedback for valve actuators.
The 31490 accepts a shaft position and produces
a 4-20mA electrical output signal over a 2
wire system. The signal from shaft rotation is
produced by a potentiometer. The shaft of the
potentiometer is connected to the transmitter
input shaft through a stepdown gear. The 4-20mA
is generated by a constant current generator.
The transmitter is housed in an aluminum,
weatherproof and explosion proof housing built
to Class I, Division I, Group D requirements of
Factory Mutual. Temperature Range is from -30°F
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