OI-5950 Explosion Proof Battery Powered Dual Switch State Transmitter


The Otis Instruments, Inc. OI-5950 is a WireFree Switch-State Transmitter for use in conjunction with a new or existing WireFree system.

The OI-5950 receives signals from up to two individually addressable sensors (pressure switch, temperature sensor, flow sensor, tank level sensor, etc.), and then transmits the state of (and change of state of) that switch.

Part Number Formula: OI-5950-[Radio Configuration]-X-O





Battery Type: 19 AH

Battery Voltage: 3.6 VDC

Battery Life Expectancy: Up to 2 years

Radio Options: 2.4 GHz ISM, 100 mW 900 MHz 200 mW

Unit Address: 1-52 networks (1-78 for 2.4 GHz); 1-255 addresses per network

Radio Transmission: Every 1 minute with no change from sensor Every 5 seconds with change from sensor

Display: Graphical LCD, sunlight readable (transflective), LED Backlight, 102×64 resolution

Certifications: Explosion-proof; CSA Class I, Division 1 Groups C and D

Warranty: Device = one year (limited)


OI-5950 Data Sheet

OI-5950 Operation Manual



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Part NumberDescription
OI-WF691-BBattery, 3.6VDC/19AH Li-lon D-Cell, Non-rechargeable
OI-5950-CB-PCAOI-5950 Control Board with LCD Screen Installed
OI-LCD-102LCD Screen with White LED Backlight
OI-5950-FP-KITOI-5950 Faceplate Kit with Faceplate, Label, (2) Thumbscrews, and Foam to Secure LCD Screen
OI-5950-RB-PCAOI-5950 Radio Board, No Radio Module Installed
OI-RADIO-2.4-THGEN II 2.4 GHz Radio Module
OI-RADIO-900-LAIRDGEN II 900 MHz Radio Module
OI-432-UFL-4u.FL Cable for Connecting Radio Module to Board
OI-AN-2.4-RIGID-R2.4 GHz Antenna, Non-Flexible, Right Angle
OI-AN-900-FLEX-R900 MHz Antenna, Flexible, Right Angle
OI-420Otis Magnet
OI-402-5PACKPackage of 5 Desiccant Bags, 6 Grams per Bag
OI-495-OMain Enclosure O-Ring

Additional information

Radio Configuration

Gen II 900 MHz Radio, Gen II 2.4 GHz Radio

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