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HP971

One- or two-pipe, direct-acting humidity sensor used with RP908/RP920 Controllers to provide proportional control of pneumatic valve or damper actuators in systems requiring humidification or dehumidification control.

Humidity Sensor, 15-75% RH range

HP971A1008/U

Vertical or horizontal, direct acting pneumatic humidity sensor with 15-75% RH

Humidity Sensor, 15-85% RH range

HP971A1024/U

Vertical or horizontal, direct acting pneumatic humidity sensor with 15-85% RH