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Air and Gas Pt100 Probe


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The HI768A is an air and gas Pt100 probe designed for use with one of Hanna’s Pt100 thermometers. A cable extends 1 m (3.3’) from the handle to the meter connection. The vent holes at the tip of the probe allow users to obtain highly accurate temperature readings of air and gases.
  • Measures up to 350°C (622°F)
  • Pt100 sensor
  • AISI 316 stainless steel


The Air and Gas Pt100 Probe - HI768A is designed to measure the temperature of air and gas samples.

The operating principle of resistance thermometers is based on the increase of electric resistance of metal conductors (RTD: Resistance Temperature Detectors) with temperature. Among the various metals to be used in the construction of RTDs, platinum (Pt), a noble metal, is one that can measure temperatures throughout a wide range with a stable, linear behavior. The most common RTD sensor using platinum is the Pt100. Hanna’s Pt100 thermometers and probes use multi-wire technology in the connection cable to obtain high levels of accuracy in industrial and laboratory applications.

With a strong, corrosion-resistant, AISI 316 stainless steel construction, the HI768A probe is able to measure samples up to 350°C (622°F).


Response Time 30 seconds
Probe Length 205 mm (8.1")
Body Material AISI 316 stainless steel
Sensor Type Pt100
Range -30 to 350°C (-22 to 622°F)
Probe Accuracy ±0.25°C (±0.5°F) ±3% of reading
Probe Handle Carilon®
Interchange Error ±0.2°C (±0.4°F)
Diameter 3 mm (0.12")
Cable 1 m (3.3')
Applications air, gases
Warranty 6 months