Davis Digital Temperature & Humidity Sensor with 7.6m (25ft) Cable (7346.221)
Manufacturer Davis Instruments
This is a digital temperature / humidity sensor with a 7.6m (25 ft) cable suitable for use with Davis Vantage Pro2 units from early 2016 and have a manufacturing code which starts with AS or later (AU, AV, AW etc).
This latest revision includes the enhanced double coated PCB sealant and the white sensor screen and cap. Importantly the SHT31 sensor is the enhanced temperature / humidity sensor that gives greater accuracy than the earlier Davis products using the SHT11 and SHT15 sensors.
This sensor offers exceptional accuracy of within +/- 2% from 0-100% humidity and within +/- 0.2C from -5C to +65C on temperature.
When using this sensor with ISS transmitters manufactured between 2006 and December 2015 a small offset adjustment is required to the temperature readings obtained.
Using a pre December 2015 transmitter with this temperature / humidity sensor will result in the Temperature reading 0.5C (0.9F) high. To counteract this error a calibration offset should be applied in the console to reduce the temperature by 0.5C (see page 26 of your console manual for calibration details).
To assist with the replacement of the temperature and humidity sensor Davis have kindly provided the following instructional videos:
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