39310
39310
OrderableReplacement Temperature/RH Element and Cap for HygroVue 10
Overview
The 39310 replaces the sensor element, filter, and cap of a HygroVue™10 Digital Temperature and Relative Humidity Sensor. Replacement can take place in the field—eliminating the downtime typically required for the recalibration process. The replacement ships with a calibration verification certificate and meets the specifications of the HygroVue 10.
The 39310 is plugged into a socket underneath the end cap and filter assembly. Chip replacement may be needed every one to three years, depending on the application and environmental conditions.
Benefits
- Replacement chip reduces downtime and maintenance costs associated with sensor calibration
- Replacement screen restores sensor to factory performance and airflow
- Temperature and RH (relative humidity) elements traceable to NPL and NIST standards
- Ships with calibration verification certificate
Specifications
- Sensing Element
- Sensirion SHT35 enhanced by Campbell Scientific
- Sensor Protection
- Outer glass-filled polypropylene cap fitted with a stainless-steel mesh dust filter with nominal pore size of < 30 µm.
The sensor element has a PTFE protective film with a filtration efficiency of > 99.99% for particles of 200 nm or larger size.
- Weight
- 22.68 g
(0.05 lb)
Relative Humidity
- Measurement Range
- 0 to 100% RH
- Accuracy
- -NOTE- The accuracy figures quoted are the 95% confidence limits relative to factory standards.
- Accuracy
- ±1.5%
(at 25°C, over the range 0 to 80% RH)
- Accuracy
- ±2%
(at 25°C, over the range 80 to 100% RH)
- Short-Term Hysteresis
- < ±1% RH
- Additional Errors at Other Temperatures
- < ±1% RH
(over -40° to +60°C)
- Long-Term Stability
- ±0.5% per year
(maximum drift in clean air conditions)
- Reported Resolution
- 0.001% RH
- Repeatability
- 0.05% RH
(3σ noise level)
- Response Time with Filter
- 8 s
(63% response time in air moving at 1 m/s)
Air Temperature
- Measurement Range
- -40°C to +70°C
- -NOTE-
- The accuracy figures quoted are the 95% confidence limits relative to factory standards.
- Accuracy
- ±0.2°C
(over the range -40 to +70°C)
- Accuracy
- ±0.1°C
(over the range -20 to +60°C)
- Long-Term Drift
- < 0.03°C per year
- Reported Resolution
- 0.001°C
- Repeatability
- 0.04°C
(3σ noise level)
- Response Time with Filter
- < 130 s
(63% response time in air moving at 1 m/s)
- Calibration Traceability
- NIST and NPL standards
Maximum Current Drain
- Quiescent
- 50 µA
- During Measurement
- 0.6 mA
(takes 0.5 s)