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Thermistor chains

Thermistor chains for temperature profiles, up to 30 nodes, 200 m cable, ±0.1 °C accuracy.

Sensor · SDI-12 profile

Thermistor chain

Up to 30 thermistor nodes on a single chain. Continuous temperature profiling at multiple depths, for stratification analysis in lakes, reservoirs and permafrost boreholes.

Configurable node spacing, cable lengths up to 200 m. The connected logger sends threshold alerts via SMS or e-mail.

Thermistor chain with measurement nodes
Technical specifications
Thermistor nodesUp to 30, configurable
Accuracy±0.1 °C
Resolution0.01 °C
Cable lengthsUp to 200 m
ConnectionSDI-12 (via 2-wire adapter to Aquatos mini/Web LTX)
Data storagePortal-based
AlertsPortal thresholds
Downloads
Datasheet243 KB User Manual224 KB
In the field

Thermistor chains, design and data

Click any image to enlarge.

Thermistor chain coiled: up to 30 nodes, cable lengths up to 200 m, 0.01 °C resolution, ±0.1 °C accuracy.
Thermistor chain coiled: up to 30 nodes, cable lengths up to 200 m, 0.01 °C resolution, ±0.1 °C accuracy.
Single thermistor node ("T-Node HD"): potted housing with anti-twist mechanics, IP68, engineered for permafrost and deep lakes.
Single thermistor node ("T-Node HD"): potted housing with anti-twist mechanics, IP68, engineered for permafrost and deep lakes.
Node electronics: PCB with ESD protection, bus driver and temperature sensor, TerraTransfer in-house design.
Node electronics: PCB with ESD protection, bus driver and temperature sensor, TerraTransfer in-house design.
Analysis in Sensormanager: temperature profile over several days, stratification dynamics during summer weeks.
Analysis in Sensormanager: temperature profile over several days, stratification dynamics during summer weeks.
Annual cycle across all depths: standard analysis for deep lakes, reservoirs and permafrost boreholes.
Annual cycle across all depths: standard analysis for deep lakes, reservoirs and permafrost boreholes.
Borehole monitoring station on a hillside: chain lowered into the borehole, well-head cover at the surface.
Borehole monitoring station on a hillside: chain lowered into the borehole, well-head cover at the surface.
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