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WHT-32A | Water-resistant humidity/temperature transmitter with sintered filter | 3% accuracy | 0-10 VDC humidity output and 10K Ω Type III | curve A temperature output. | Dwyer

Water-resistant humidity/temperature transmitter with sintered filter, 3% accuracy, 0-10 VDC humidity output and 10K Ω Type III, curve A temperature output.

Brand: DwyerSKU: WHT-32A

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Overview Details for WHT-32A

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Water-resistant humidity/temperature transmitter with sintered filter | 3% accuracy | 0-10 VDC humidity output and 10K Ω Type III | curve A temperature output.

Series WHT Weather-Resistant Humidity/Temperature Transmitter

Compact Housing, Sintered Filter

The compact Series WHT Humidity/Temperature Transmitter is designed to withstand the elements. A removable sintered filter protects the polymer capacitance sensor from solid objects that may come in contact with the transmitter. The transmitter is available with 4 to 20 mA or 0 to 10 VDC output signals for both temperature and humidity. This transmitter is ideal for measuring outside air temperature and humidity levels for air handling economizer applications.

For models with resistive thermistors or RTD outputs, please click here for temperature to resistance lookup tables.

Product Applications

Air handling economizers
Air environment monitoring in agriculture or livestock cultivation houses

RH or RH and temperature outputs
Compact NEMA 3S construction

Specifications

Series: WHT Weather-Resistant Humidity/Temperature Transmitter
Category/Type: Air Quality
Type: Humidity / Temperature Transmitters
Series: WHT Weather-Resistant Humidity/Temperature Transmitter
Relative Humidity Range: 0 to 100% RH.
Temperature Range: -40 to 140°F (-40 to 60°C).
Accuracy; RH: ±3% 20 to 80% RH; ±4% @ 10 to 20%; 80 to 90%.
Accuracy; Temp Models with 4 to 20 mA Temp. Output: ±0.9°F @ 72°F (±0.3°C @ 25°C).
Accuracy; Temp Models with Passive Thermistor Temp Sensor: ±0.36°F @ 77°F (±0.2°C @ 25°C).
Hysteresis; RH: ±1%.
Repeatability; RH: ±0.1% typical.
Temperature Limits: -40 to 140°F (-40 to 60°C).
Storage Temperature: -40 to 176°F (-40 to 80°C).
Compensated Temperature Range; RH: -4 to 140°F (-20 to 60°C).
Power Requirements: 4-20 mA loop powered models: 10-35 VDC; 0-10 V outputmodels: 15-35 VDC or 15-29 VAC; 0-5 V output models: 10-35 VDC or 10-29 VAC.
Output Signal: 4-20 mA loop powered models: 4-20 mA; 0-10 V output models:0-10 V @ 5 mA max; 0-5 V output models: 0-5 V @ 5 mA max.
Response Time: 15 s.
Electrical Connections: Removable screw terminal block.
Drift: <1% RH/year.
RH Sensor: Capacitance polymer.
Temperature Sensor: 4 to 20 mA output; solid state band gap. Passive output: 10K @ 25°C thermistor (Dwyer curve A).
Enclosure: ABS.
Enclosure Rating: Designed to meet NEMA 3S (IP54).
Weight: 0.3 oz (8.5 g).
Agency Approvals: CE.