Calibrated digital temperature sensor for indoor usage. The sensor is designed for using with the Poseidon, Ares, HWg-STE and other HW group products.
You can have several parallel sensors on one RJ11 sensor port. Each one sensor is identified by a unique serial number.
Sensor delivered with 3 points calibration sheet.
The information about time related sensors precision and the need for calibration can be found in this application note https://hw-group.us/support/sensor-accuracy-over-time.
You can also get a sensor with a calibration protocol.