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OI-WF752
OI-WF752 Relayer

The Relayer OI-WF752 is a wireless relay/alarm board specifically designed for conjunctive use with the Otis Instruments, Inc. WireFree OI-WF690 Sensor Assembly and WireFree OI-WF784 ProSafe Gas Monitor—completing a reliable WireFree System that began emerging in 2005.
OI-WF753 Relayer
OI-WF753 Relayer

The Relayer OI-WF753 is a wireless relay/alarm system specifically designed for use in conjunction with the Otis Instruments, Inc. WireFree OI-WF690 Sensor Assembly and WireFree OI-WF784 ProSafe Gas Monitor—completing a reliable WireFree System that began emerging in 2005.
OI-WF784 ProSafe

The Otis Instruments, Inc. WireFree ProSafe Model OI-WF784 is an eight channel gas monitor that functions as a transmission controller. The OI-WF784 will receive and display wireless radio signals from a OI-WF690, OI-WF190 or OI-WF190B-IR WireFree Sensor Assembly.
OI-WF792 Permian II

The Permian II OI-WF792 is a self-contained wireless relay/alarm board, specifically designed for conjunctive use with the various components of the Otis Instruments, Inc. WireFree product line.
OI-WF910 View

The View OI-WF910 is a hand held signal strength meter specifically engineered to show the status of any WireFree gas detection component at any given site.
OI-WF985 Interface

The Interface OI-WF985 is a 32 channel receiver that accepts and displays radio transmissions from up to 32 WireFree OI-WF690 or OI-WF190 Sensor Assemblies—while located virtually anywhere.