XR-420 T8, T16 or T24
Logger with up to 24 Channels Temperature

[XR-420 T8]

The XR-420 T8, T16 or T24 are multi-channel temperature recorders designed to operate with an array of up to 24 thermistors.
Up to three modules for eight thermistors may be included
Any combination of thermistors may be made in any length up to a practical limit of about 500m
The thermistor string may be designed for:
- deployment under water Depths up to 6,000m.
- underground
- in concrete
- in permafrost
- in ice.
They have been used to measure internal waves and for cryospheric studies.
We offer an extended operational temperature range for the thermistor strings (-40°C to +35°C).