RH-1A rH Sensor |
Description: The RH-1A Relative Humidity probe is an inexpensive,
wide input range, low-power humidity sensor. The
RH-1A contains a rugged capacitive humidity sensing
element that can output RH from 0 to 98%. See the Data
Logger Selection Guide for help with locating
the appropriate instrument for your inputs. |
Data logger Interface:The RH-1A provides a linear 0 to 5Vdc output corresponding to 0 to 100% relative humidity. This sensed signal can be directly connected to one of the ModuLogger "Mini" analog inputs, one of the ModuLogger System Base or MLIM-1 Interface Modules and/or the HyperLogger™ HLIM-1 Interface Modules input channels. Scaling and other desired data manipulation is readily handled in the programming of the logger using the powerful HyperWare software.
The unit can be powered from a DC source in the range of 7 to 28Vdc and stabilizes in 150mS. Due to its quick stabilization after power-up, the unit can be powered on just prior to taking a reading, sampled, then powered off to conserve logger battery energy. The unit can be powered directly by the ModuLogger, Mini, or HyperLogger™ system batteries (optionally switched through a logger output relay) or from a PSM-2 Power Supply Module in conjunction with any of the Logic Beach data logging systems.Specifications:
Operating Temperature: -10 to 60°C Accuracy: +/-3% over 0 to 90%RH, +/- 5% 90-98%RH Measurement Range: 0 to 98%RH Stability: better than +/-2% over 2 years Excitation Voltage: 7 to 28 Vdc Current Consumption: 2 mA Output Signal: 0 to 5 Vdc corresponding to 0 to 100% Probe Dimensions: 0.47" dia, 2.7 " long Termination: M8 connector to 1' cable
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Beach, Incorporated
8363-6F Center Drive
La Mesa, CA 91942
Phone: (619) 698-3300
Fax: (619) 469-8604