Appendix A. Specifications
ValProbe RT User Manual 153
A.7 Kaye ValProbe RT Humidity Logger
A.7.1 Measurement Accuracy
Temperature:
Resolution: 0.01°C
A
ccuracy: ±0.15°C from 0°C to 70°C
Humidity:
Resolution: 0.1%
Accuracy: ±2% RH from 15% to 95% RH at 25°C to 40°C
A.7.2 Environmental:
Temperature: 0°C to 70°C
Humidity: 15% to 95%, RH non-condensing
A.7.3 Operating Range Accuracy
The Humidity sensor shows best performance when operated within recommended normal
temperature and humidity range of 5 °C – 60 °C and 20 %RH – 80 %RH, respectively. Long-
term exposure to conditions outside normal range, especially at high humidity, may
temporarily offset the RH signal (e.g., +3%RH after 60h kept at >80%RH). After returning into
the normal temperature and humidity range the sensor will slowly come back to calibration
state by itself. Prolonged exposure to extreme conditions may accelerate ageing.
Please note as well that this does apply not only to transportation and storage, but also to
operation of the Humidity Sensor.
A.7.4 Sensing Element:
Highly integrated capacitive humidity sensor
A.7.5 Sampling Rate:
1 sec to 10 minutes
A.7.6 Data Storage:
100,000 samples for each sensor
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