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RH5X relative humidity sensor
The RH5X sensor is compatible with all Symphonie series data loggers when equipped with an NRG iPack and either a Symphonie® SCM Card (SCM #3156, used with SymphoniePLUS®3 Data Logger and older) or a Pro Signal Conditioning Module (P-SCM #9132, used with SymphoniePRO® Data Logger – Wind when channels 16-19 are unavailable).
The RH5X features a polymer resistor sensor, which provides excellent linearity and sensitivity with fast response time and long-term stability. It mounts to the underside of a shelter box and includes 1.5 m (5’) of cable, a mounting bracket, and one hose clamp.
A calibrated version, the RH5XC, is available. The RH5XC comes with a calibration certificate from a NIST-traceable humidity chamber, providing slope and offset values that can be used to configure your corresponding logger channel.
RH5X Relative Humidity Sensor (#4415) |
RH5XC Relative Humidity Sensor (#8811) | |
|---|---|---|
DESCRIPTION |
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| Sensor type | Polymer capacitor humidity sensor | Polymer capacitor humidity sensor |
| Applications |
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| Sensor range | 0 to 100% relative humidity (non-condensing) | 0 to 100% relative humidity (non-condensing) |
| Instrument compatibility | Any Symphonie Data Logger | Any Symphonie Data Logger |
OUTPUT SIGNAL |
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| Signal type | 3-wire 0-5V/10V(4), 3-wire or 2-wire 4-20mA (Selectable) | Linear analog voltage |
| Transfer function | % Relative Humidity = Voltage x 20 |
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| Accuracy |
|
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| Calibration | Sensors not individually calibrated. | NIST-traceable calibration performed to verify individual sensor performs within specified accuracy limits. |
| Output signal range | 0 to 5V for 0 to 100% RH | 0 to 5V for 0 to 100% RH |
POWER REQUIREMENTS |
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| Supply voltage | 12 to 30 VDC | 12 to 30 VDC |
| Supply current | 5 mA Max | 5 mA Max |
INSTALLATION |
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| Mounting | Uses a sheet metal bracket with a hose clamp, to be mounted to the tower, under the shelter box | Uses a sheet metal bracket with a hose clamp, to be mounted to the tower, under the shelter box |
| Tools required | 8 mm (5/16 inch) nut driver or wrench | 8 mm (5/16 inch) nut driver or wrench |
ENVIRONMENTAL |
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| Operating temperature range | 41 to 140°F (5 to 60°C) @ 20% to 80% RH | -40°C to 70°C (-40°F to 158°F) |
| Operating humidity range | 0 to 100% relative humidity (non-condensing) | 0 to 100% relative humidity (non-condensing) |
| Other |
|
|
PHYSICAL |
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| Connections | Wire leads, 3 conductor shielded cable:
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Wire leads, 3 conductor shielded cable:
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| Cable length | 1.5 m (5 feet) | 1.5 m (5 feet) |
| Weight | 0.320 kg (0.71 lbs) | 0.320 kg (0.71 lbs) |
| Dimensions | 190 mm (7.5 inches) x 113 mm (4.4 inches) x 69 mm (2.7 inches) | 190 mm (7.5 inches) x 113 mm (4.4 inches) x 69 mm (2.7 inches) |
MATERIALS |
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| Cable | 3 conductor 22 AWG, with overall foil shield and drain wire, chrome PVC jacket | 3 conductor 22 AWG, with overall foil shield and drain wire, chrome PVC jacket |
| Enclosure | UV stabilized plastic box with aluminum mounting bracket | UV stabilized plastic box with aluminum mounting bracket |
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