Brandt Instruments Representing Otis Instruments Fixed Gas Detection System, OI-5950 WireFree Switch-State Transmitter for Fixed Gas Detection System
                    Brandt Instruments Representing Otis Instruments

Otis Instruments Fixed Gas Detection Systems Logo

Otis Instruments OI-5950
WireFree™ Switch-State Transmitter
Fixed Point Gas Detection Systems

home otis instruments fixed point detectors OI-5950 OI-5950 WIreFree Switch State Transmitter

Otis Insrtruments OI-5950 WireFree Switch-State Transmitter for level,pressure,temperature sensors for Fixed Gas Detection System

OI-5950 WireFree™ Switch-State Transmitter

The 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.), then transmits the state of (and change of state of) that switch.


   Explosion and weather proof enclosure
   Glass lid for viewing the display
   Non-intrusive setup with MENU, ADD and SUB buttons
          ensures FASTER, CHEAPER and EASIER installation
   Ability to use with a variety of sensor types
   Allows for use of multiple receivers in multiple locations
   Use any Otis WireFree receiver to complete the wireless application 

   Radio Options:
              Gen II radio 900 MHz, 200mW

                    (2.4 GHz ISM, 100mW available for international use)


OI-5950 WireFree Switch-State Transmitter

Technical Specifications

Enclosure Otis-Blue explosion/flame proof
Size 6 " x 4.5" x 6"
Display Graphical LCD, sunlight readable (transflective), LED back-light, 102x64 pixel resolution
Unit Address

1-52 Networks (1-78 for 2.4 GHz)
1-255 addresses per network

Operating Temperature -30° F to 70° C
Radio Transmission Every 1 minute with no change from sensor
Every 5 seconds with change from sensor
Certifications Explosion-proof; CSA Class I, Division 1 Groups C and D
Battery Type 19 AH
Battery Voltage 3.6 VDC
Battery Life Expectancy Up to 2 years
Radio Options 2.4 GHz ISM, 100mW OR 900 MHz, 200mW

Device = one year (limited); Battery = 90 days

Otis WireFree Logo

Otis OI-5950 Data Sheet

   OI-5950 Manual

For additional accessories & options: Accessories

CSA Certification Icon
ATEX Certification Icon
Otis Instruments OI-5950 WireFree Switch-State Transmitter

OI-5950 WireFree Switch-State Transmitter Diagram



WARNING! Otis Instruments equipment should only be used in conjunction with the manufacturer's instructions.
Failure to follow such instructions could result in serious injury or fatalities.

Return to Brandt Instruments
For more information  Email Mail
Brandt Instruments, Inc. 
    18568 Oak Grove Parkway 
    Prairieville, LA  70769 
Phone: 225-673-6776
    Fax: 225-673-6725

Visa, MC, AmEx, Discover Cards

Copyright © 2002-2020 Brandt Instruments, Inc.