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Specializing in battery powered self-contained wireless gas detection known as WireFree.
Otis products are CSA and ATEX certified. Click the Document Downloads tab on the left sidebar to view our product certifications.
Go to our Gen II OI-7032 page to view our new How-To Videos.
The OI-5900 Gen II WireFree 4-20mA transmitter that is compatible with any 4-20mA sensor, including flame and tank level sensors is now available.
The OI-5950 Gen II WireFree Switch-State Transmitter for state monitoring of sensors such as pressure, temperature, flow, and tank-level is now available.
The Gen II OI-6000 Sensor Assembly with PID Sensor for sensing VOC gas is now available.