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The ACI/RH Series Relative Humidity transmitters,
convert a resistance change to a linear 4 to 20 mA, 0 to 5 VDC, or 0 to 10 VDC
output. The current signal may be transmitted over long distances on unshielded
twisted-pair wire. The current signal will not be affected by the lead wire
resistance or electrical noise.
The Advanced Ceramic
Technology design overcomes the limitations of other resistance-based humidity
sensors that utilize water soluble polymer coatings. The Advanced Ceramic
Technology enables these sensors to recover fully from condensation. This
allows the sensor to maintain its accuracy over a longer period of time. Despite
its accuracy, the Advanced Ceramic Technology sensor and related circuitry is
economical.
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