NRG RH5X Relative Humidity Sensor

Details
Specifications

DETAILS

The NRG RH5X sensor is compatible with all Symphonie series data loggers when equipped with an NRG iPack and either a (SCM #3156, used with 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.

SPECIFICATION

Description
	RH5X RELATIVE HUMIDITY SENSOR (#4415)	RH5XC RELATIVE HUMIDITY SENSOR (#8811)
Sensor type	Polymer capacitor humidity sensor	Polymer capacitor humidity sensor
Applications	Wind resource assessment Meteorological studies Environmental monitoring	Wind resource assessment Meteorological studies Environmental monitoring
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
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	Refer to individual calibration supplement for sensor-specific transfer function Default values: % Relative Humidity = Voltage x 20
Accuracy	+/- 2% RH typical from 20% to 80% RH @ 5 to 60°C (41 to 140°F) +/- 3% RH Max from 0 to 100% RH Contact Technical Support for information on additional uncertainty due to temperature effects.	+/- 2% RH typical from 20% to 80% RH @ 5 to 60°C (41 to 140°F) +/- 3% RH Max from 0 to 100% RH Contact Technical Support for information on additional uncertainty due to temperature effects.
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
Supply voltage	12 to 30 VDC	12 to 30 VDC
Supply current	5 mA Max	5 mA Max
Installation
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
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	IP55 Rated Recommended range of operation is 5 to 60°C and 20 to 80% humidity. Longterm exposure to conditions outside this range may temporarily offset RH measurements (approximately 3% after 60 hours).	IP55 Rated Recommended range of operation is 5 to 60°C and 20 to 80% humidity. Longterm exposure to conditions outside this range may temporarily offset RH measurements (approximately 3% after 60 hours).
Physical
Connections	Wire leads, 3 conductor shielded cable: Red: Power Black: Ground White: Signal out Braid: Shield	Wire leads, 3 conductor shielded cable: Red: Power Black: Ground White: Signal out Braid: Shield
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
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