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Trace Oxygen Analyzer​​

The range of sensors allows for measurements of dew-point, moisture content and trace moisture in both gases and liquids. From extremely dry parts-per-billion measurements to high-humidity conditions, our sensors are designed to reliably measure moisture in a wide range of applications.

  • 4-20 mA 2-wire loop powered connection
  • Dewpoint OR parts per million (moisture content) in volume (PPM(V) measurements
  • Accuracy ±2°Cdp
  • Repeatability ±0.5°Cdp
  • Dewpoint values traceable to international standards
  • Excellent detector element protection
  • Rugged stainless steel construction
  • Fully interchangeable

Measurement Range (Dew Point)

-100 to +20°C dew point

Accuracy (Dew Point)

±2°C dew point

Response Time

1  min to T95 (dry to wet)


0.5°C dew point


Traceable 7 point calibration certificate

Output Signal

4-20 mA (2-wire)

Supply voltage

8 – 36 V DC

Current Consumption

20mA max

Operating Temperature

-40 to +60°C

Operating Humidity

0-100% RH

Flow Rate

0.2 to 5 Nl/min mounted in standard sampling block; 

0 to 10 msec-1 direct insertion

Temperature Coefficient

Temperature compensated across operating temperature range

Ingress Protection Sensor 


Housing Material

Stainless steel


114m x 30mm dia




20µm sintered guard

  • Dew point in compressed air
  • Dew points in breathing air
  • Industrial Gases: Inert and bulk
  • Moisture content in Glove boxes
  • Trace humidity in oxygen purity
  • Analyzing moisture in Hydrogen coolant