Otis Instruments OI-6900-X-X-C-2B Sensor Assembly

Availability: In stock
Sensor TypeElectrochemical, Photo Ionization Detector, Low-Power Infrared Sensor
Power TypeDual Battery-Powered
Operating Voltage3.6 V (19 Ah each, 38 Ah total) Lithium-Thionyl (Li-SOCl2) Battery, with Connector (Non-Rechargeable)
Estimated Battery Life
  • Low Power Infrared: 1-Year Max.
  • Photo Ionization Detector: 14 Days +
  • Electrochemical: 2-Year Max.
RF ConnectionInternal Antenna
Display Screen102x64 Resolution Graphical LCD Screen, Transflective (Sunlight Readable) with LED Backlight

3 Push-Buttons (MENU, ADD, and SUB),

3 Magnetic Non-Intrusive Switches for Calibration (MENU, ADD, and SUB)

Customizable SettingsAdjustable Background Gas Setting
Tamb Temperature Range-40°C to +70°C
WireFree Radio OptionsGEN II 900 MHz (200 mW) Radio or GEN II 2.4 GHz (125 mW) Radio
  • 52 Networks (GEN II 900 MHz Radio)
  • 78 Networks (GEN II 2.4 GHz Radio)
  • 255 Addresses per Network
Product Dimensions15.76 in. L x 5.11 in. W x 5.37 in. H (Max. Dimensions w/ Attachments)
Total Weight6 lbs.
Hardware WarrantyLimited one year
Sensor Element WarrantyVaries with Sensor Element and Type
Enclosure MaterialNEMA Class 1, 4, 4X and 6 Polycarbonate Closure with Clear Window - IP 66, UL 508 and UL 746C (f1) Rated
Product Number Formula01-6900-[Gas]-[Radio]-[Enclosure]-2B


The Otis Instruments 0I-6900 Series Ambient Air Toxic Gas Detector is a versatile assembly that uses an eletrochemical, low-powered infrared or PID sensor element to detect a variety of gases. Wireless, dual battery powered available with GEN II 900 MHz or 2.4 GHz Radios. Magnetic switches allow for non-intrusive calibration while in the field as well as full system setting and diagnostics.


  • Electrochemical, Low-Powered Infrared or PID Sensor Element
  • Dual Battery-Powered: 3.6 V (19 Aheach, 38 Ah total) Lithium-ThionylChloride (Li-SOCL2) Battery with Connector (Non-Rechargeable)
  • Estimated Battery Life: Electrochemical - 2-Year Maximum; PID - 14-Days+ ; Low-Powered Infrared - 1-Year Maximum
  • Graphical LCD with LED Backlight
  • Reports Once a Minute; Reporting Rate will Increase to Once Every 5 Seconds When Gas is Above Set-Point
  • 3 Push-Button Interface (ADD, MENU, SUB) with 3 Corresponding Magnetic, Non-Intrusive Switches
  • WireFree (Wireless) Communication
  • Adjustable Background Gas Setting
  • Available with GEN II900MHZ Or GEN II 2.4 GHZ Radio
  • 1-Year Limited Hardware Warranty
  • Sensor Element Warranty Subject to Otis Verification

Please refer to datasheet for more information