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Relative Humidity /Temperature Combinations

ACI/RH-TT Series

Product Description:

The ACI/RH-TT Combination units incorporate all of the qualities the ACI/TT series temperature transmitters and the ACI/RH series humidity transmitters. The ACI/RH-TT Combo is available in Room, Duct, and Outside configurations.

The temperature portion of the combination unit may be scaled to any span within the operating range of the temperature sensor and has a 4 to 20 mA output proportional to the span of the transmitter. The humidity portion of the combination unit is scaled to a 0 to 100% RH span and has a 4 to 20 mA output proportional to that span. This signal can be transmitted over long distances on unshielded twisted-pair since the current is not affected by the lead wire resistance.

In addition to the 4 to 20 mA output for the temperature portion of the combination unit, we also offer Combination units with all of our other temperature products.

For more information, please see the individual product data sheets for the ACI/TT series temperature transmitters, ACI/RH series humidity transmitters, or any of the ACI/Temperature Sensor data sheets.

Product Specifications:
Supply Voltage Temp:8 to 35VDC
Humidity: 18 to 36 VDC
Linearity RH: See Accuracy
Temp: +/-0.05% of span
Operating Range -20 to 140F (-29 to 60C)Repeatability 0.5% RH
Output RH: 2-wire 4-20mA
Temp: Please Specify
Hysteresis Less than 1% RH
Accuracy RH:+/- 1, 2, 3, or 5% from 20 to 95% RH
Temp:+/- 1% of Temp Span
Operating RH0 to 99% RH non-condensing

Ordering Information:
Accuracy Configuration
ACI/RH [][]
RH1 - 1% (R) Room
RH2 - 2% (D) Duct
RH3 - 3% (O) Outside Air
RH5 - 5%
Example: ACI/RH2-D

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Last Updated 03/18/10