Irrometer 200TS Watermark Temperature Sensor


Price $38.98
Estimated delivery in 4-7 days after ordering
* Estimate is for US customers only.
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200TS Temperature Sensor with 15’ (4.5 m) wire lead | Watermark Soil Moisture Sensors by Irrometer

  • The 200TS Temperature Sensor is a precision thermistor encased in epoxy potting compound for direct burial applications.
  • Ideally suited for measurement of soil temperature.
  • Reads range 32° to 122°F (0° to 50°C) on 900M Watermark Monitor and range 14° to 149°F (-10° to 65°C) on model 975.

If used for air temperature measurements, care must be observed to properly expose the sensor in a shaded housing, such as a solar radiation shield, to provide airflow around the sensor and minimize direct exposure to sunlight, rain and snow, so that the air temperature inside the shield is a good representation of the outside air. Also, the potting compound will have an insulating effect that will delay the sensor’s response to temperature changes, which are more rapid in air environments than when buried.


  • High Accuracy
  • Fast Thermal Response
  • Low Cost
  • Small Size
  • Epoxy Encapsulated
  • High Stability
  • Long Life


Irrometer Watermark Temperature Sensor 15ft Lead (200TS)

Irrometer 200TS Watermark Temperature Sensor