Otis Instruments OI-6940-X-X-XP Quad Sensor Assembly

Availability: In stock
Sensor TypeElectrochemical, PID, and/or Low-Power Infrared Sensor
Power TypeBattery Powered 3.6 V (76 Ah) Battery Pack (Non-Rechargeable)
Battery Life6 Months Maximum Battery Life
RF ConnectionExternal N-Female Radio Frequency (RF) Connector
Display Screen160x104 Resolution Graphical LCD Screen
Transflective (Sunlight Readable) with LED Backlight
Interface4 Push-Buttons (MENU, BACK, ADD, and SUB)
4 Magnetic Non-Intrusive Switches for Calibration (MENU, BACK, ADD, and SUB)
Customizable SettingsAdjustable Background Gas Setting Settable per Sensor Element
Tamb Temperature Range-40°C to +60°C
WireFree Radio OptionsGEN II 900 MHz Radio or GEN II 2.4 GHz Radio
Networks52 Networks (GEN I| 900 MHz Radio) or 78 Networks (GEN I| 2.4 GHz Radio)
255 Addresses per Network
Component CertificationClass I, Division 1
Groups C & D
Product Dimensions7 in. D x 11 in. W x 24 in. H (Max. Dimensions w/ Attachments)
Total Weight25 lbs.
Hardware WarrantyLimited One Year
Sensor Element WarrantyVaries with Sensor Type and Element and is Subject to Otis Verification
Part Number Formula01-6940-[Number of Sensors]-[Radio]-XP
Optional Remote Sensor Kit01-501-7 Remote Sensor Kit
Electrochemical Sensor—Up to 250 Feet of Cable
Low Power Infrared Sensor—Up to 40 Feet of Cable
Optional Product Accessories01-6940-ST, 2-Wheeled Cart/Stand


The Otis Instruments OI-6940 Series Ambient Air Multi-Gas Detector is a versatile assembly that uses up to four electrochemical, PID or low-power infrared sensor elements to detect a variety of gases. Wireless, battery power (3.6 V/76 Ah) with 900 MHZ or 2.4 GHz Radio options. Magnetic switches allow for non-intrusive calibration while in the field as well as full system settings and diagnostics. Mounting is made easy and mobile using the 01-6940-ST optional wheeled stand.


  • Electrochemical, PID or Low-Power Infrared Sensor
  • WireFree (Wireless) Communication
  • Battery Powered: 3.6 V/76 Ah Battery Pack (Non-Rechargeable)
  • Battery Life: 6 Months Maximum; 2 Months+ - PID
  • Graphical LCD with LED Backlight
  • Sensor Element Warranty Subject to Otis Verification
  • 3 Push-Button Interface (ADD, MENU, SUB) with 4 Corresponding Magnetic, Non-Intrusive Switches
  • 1-Year Limited Hardware Warranty
  • Adjustable Background Gas Setting
  • Optional 01-501 Remote Sensor Kit per Sensor
  • Optional 01-6940-ST Wheeled Stand
  • Radio Options: 900 MHz Radio or 2.4 GHz Radio

Please refer to datasheet for more information

Technical Data-Sheet