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

Availability: In stock
Sensor TypeElectrochemical, PID, or Low-Power Infrared Sensor
Power TypeDual Battery-Powered
Operating Voltage3.6 V (19 Ah each, 38 Ah total) Lithium-Thionyl (Li-SOCI,) Battery, with Connector (Non-Rechargeable)
Battery Life1-Year Max. (Low-Power Infrared), 2-Year Max. (Electrochemical), 14+ Days (PID)
RF ConnectionExternal N-Female Radio Frequency (RF) Connector
Display Screen
  • 102x64 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-20 to +60°C
WireFree Radio OptionsGEN II 900 MHz (200 mW) Radio or GEN II 2.4 GHz (125 mW) Radio
Networks52 Networks (GEN I| 900 MHz Radio) or 78 Networks (GEN I| 2.4 GHz Radio)|
255 Addresses per Network
Product Dimensions5.30 in. L x 8.26 in. W x 17.76 in. H (Max. Dimensions w/ Attachments)
Total Weight6 lbs.
Remote Sensor Kit01-501 Remote Sensor Kit with Enclosure (7 pin)
Additional FeatureAvailable in lengths of up to 250 feet for Electrochemical and lengths of up to 40 feet for Low Power IR
ApprovalsUL/CSA/FM Certified Explosion/Flame-Proof Main Enclosure, QPS Certified Explosion/Flame-Proof Sensor Housing
Hazardous Location CertificationsMain Enclosure: Class I, Div. 1 & 2, Groups B, C, D; Class I, Zones 1 & 2, Groups lIB + H2, IIA; Class II, Div. 1 & 2, Groups E, F, G; Class III, Type 3, 4, 4X; NEMA 3, 4, 4X, 7 (B, C, D) 9 (E, F, G); T,= -20°C to +60°C
Hardware WarrantyLimited one year
Sensor Element WarrantyVaries with Sensor Element and Type
Battery Warranty90 Days from Ship Date
Part Number Formula
  • 01-6900-[Gas]-[Radio]-[Encloser]-[2 Battery]
  • 01-6900-X-X-K-2B

The Otis Instruments Wireless OI-6900 Series Ambient Air Toxic Gas Detector is a versatile assembly that uses an electrochemical, PID or low-power infrared sensor element to detect a variety of gases. WireFree, dual battery power (3.6 V Lithium-Thionyl Chloride battery) 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.


  • Electrochemical, PID or Low-PowerInfrared Sensor
  • WireFree (Wireless) Communication; Dual Battery-Powered: 3.6 V (19 Aheach, 38 Ah total) Lithium-Thionyl(Li-SOCI2) Chloride Battery with Connector (Non-Rechargeable)
  • Battery Life: 1-Year Maximum -Low-Power Infrared, 14 Days+ - PID 2-Year Maximum - Electrochemical
  • 3 Push-Button Interface (ADD,MENU, SUB) with 3 Corresponding Magnetic, Non-Intrusive Switches
  • Adjustable Background Gas Setting
  • 102x64 Resolution Graphical LCD Screen; Transflective (Sunlight Readable) with LED Backlight
  • UL/CSA/FM Explosion/Flame-Proof Certification for Main Enclosure, QPS Explosion/Flame-Proof Certification for Sensor Housing
  • Radio Options: 900 MHz Radio and 52 Networks or 2.4 GHz Radio and 78 Networks
  • Sensor Element Warranty Varies with Gas Type
  • Battery Warranty is 90 Days from Product Ship Date
  • 1-Year Limited Hardware Warranty
  • Optional OI-501 Remote Sensor Kit with Enclosure

Please refer to datasheet for more information
Technical Data-Sheet