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Enabling better global research outcomes in soil, plant & environmental monitoring.


For the measurement of absolute temperature of the leaf at the surface.

The Leaf Temperature Sensor is a very small thermistor that can be adhered to a leaf surface. The absolute temperature of the leaf at the surface is measured.
The adherence and small size enable accurate measurement. The adherence means that the boundary layer is not disrupted.
The small size has almost no thermal mass resulting in measurements that have not influenced the temperature environment and which are very responsive to leaf temperature changes.
Rapid Time Response (200 milliseconds).

THERM-MICRO Temperature Sensor Features

  • ±0.2°C Tolerance from 0°C to +70°C
  • Rapid Time Response (200 milliseconds)
  • Temperature Range -40°C to +125°C
Optimal data logging solution:  TSM2 Temperature Sensor Meter
TSM2 Features:
  • Stand-alone data logging
  • MicroSD expandable memory
  • 4GB MicroSD Storage Card (capacity: 10+ years data storage)
  • Wireless connectivity and data transfer
  • Simple conversion and scripting
  • Flexible sensor calibration, look-up tables, and user scripts
  • 24-Bit resolution
  • IP65 rated water proof enclosure
  • Free Windows utility configuration software

Power management:

  • Field: direct connected solar panel
  • Lab: mains DC power supply
  • Internal Lithium-Polymer battery
  • Internal Lithium-Polymer battery charger and power management
Response Time: 200 milliseconds
Temperature Range: -40°C to +125°C
Cable: 5m, UV stabilised, black in colour, bare wire connections (2 conductors)
Resistance: 10kΩ @ 25°C
Tolerance: ±0.2°C Tolerance from 0°C to +70°C


Thermistor Bead: 0.3mm x 3mm
Exposed lead length: approx. 75mm
Weatherproof cable termination (sensor end): 55mm



  • Transpiration Studies
  • Photosynthesis Rates
  • Leaf Energy Balance Studies
  • Viticulture – Leaf & Bunch Disease
  • Bud Dormancy and Floral Initiation
  • Nitrogen Fixation and Root Temperature
  • Ecology Studies
  • TSM2 Temperature Sensor Meter
    Temperature Sensor Meter - Configured for ICT leaf temperature sensors. 9 sensor capacity; IP65 rated enclosure; stand-alone logging capability to 4GB MicroSD Card; Windows and Mac software; breakout box; user manual.