Overhoff offers a wide selection of portable tritium in air monitors which vary in ionization chamber volume, response time, sensitivity, and other features.

For a quick general comparison, please click here.

Portable Tritium Air Monitor
Dual 200cc Ion Chambers, Gamma Compensated
Fast Response Time of 5 Seconds
Sensitivity: 10 µCi/m3 (0.3 MBq/m3)

Dual 200cc Ion Chambers used for measurement
Not Gamma Compensated
Sensitivity: 3 µCi/m3 (0.1 MBq/m3)

High Performance Portable Tritium Air Monitor
Quadruple 200cc Ion Chambers, Gamma Compensated
Sensitivity: 2 µCi/m3 (0.1 MBq/m3)

Upgraded version of 400SBDyC, includes Ni-MH rechargeable batteries, RS-232 output, auto-calibration software, and gamma compensation on/off toggle switch for easy gamma calibration

Military version of 400AC: extremely rugged, water/splash proof, operates in extreme conditions, includes circuit self-test function

Quadruple 110cc ion chambers for faster response time
Sensitivity: 5 µCi/m3 (0.2 MBq/m3)

Two-channel tritium leak detector to measure both HT and HTO (switch selectable) simultaneously
Gamma Compensated
Sensitivity: 5 µCi/m3 (0.2 MBq/m3)

Dual 1400cc ion chambers for ultra-sensitive measurements
Gamma Compensated
Sensitivity: 1 µCi/m3 (0.04 MBq/m3)
Resolution: 0.5 µCi/m3 (0.02 MBq/m3)

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