Gas detection since 1983, wireless gas detection since 2005

OI-520 Calibration Station Information Video is now available. To view the video, click the Calibration Station tab on the left sidebar.
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Data-Logging Software with touch-screen interface (two size options) is now available.
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The GenII OI-7010 8-Channel Hybrid Monitor is now available.
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Otis offers an WireFree OI-WF590 4-20mA transmitter that is compatible with any 4-20mA sensor, including flame and tank level sensors.
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Otis Instruments exhibited at SAOGE 2009 in Saudi Arabia on November 1-3.
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