Brandt Instruments Representing Otis Instruments Fixed Gas Detection System, OI-6900 Battery Powered Wirefree Gas Detector Sensor Assembly for Fixed Gas Detection System
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Otis Instruments Fixed Gas Detection Systems Logo

Otis Instruments
OI-6900-X-X-O-2B

WireFree™ Dual Battery-Powered Sensor Assembly
Explosion-Proof Sensor Assembly with Display
Fixed Point Gas Detection Systems



home otis instruments fixed point detectors OI-6900 OI-6900 Gas Sensor Assembly With Display

Otis Instruments OI-6900_Battery Powered WireFree Gas Sensor Assembly

OI-6900 Dual Battery-Powered WireFree
Explosion-Proof Remote Gas Sensor Assembly

The Otis Instruments OI-6900 sensor assembly is an ambient air fixed point dual battery-powered WireFree remote sensor assembly certified for Class I, Division 1, Groups C and D. Uses an electro-chemical or infrared sensor element to detect a variety of gases including O2, LEL, H2S, CO, HCL, HCN, SO2, NH3, NH3A, Cl2, HF, PH3 as well as other toxic gases.

The OI-6900 continuously monitors the gas level of the surrounding environment and reports once a minute, the reporting rate will increase to once every five seconds when the detected gas is above the Background Gas Set-point. This set-point is adjustable to account for sites that may have a constant low level of gas always present. The display screen always shows the present gas concentration

The OI-6900 comes standard with a 102x64 graphical LCD screen, three-button interface, non-intrusive magnetic switches and the Otis-blue custom explosion-proof enclosure.

   Quickly setup and install a remote sensor
   Glass lid for viewing the display
   Non-intrusive calibration with MENU, ADD and SUB
   Auto-setting Null, relay/alarm tests & battery voltage indication
   Explosion and weather proof Otis-Blue enclosure
   Electro-chemical or IR-LEL sensor elements for gas detection
   Battery lasts 6-12 months depending on sensor type
   Rapid response and clearing time

OI-6900-X-X-K-2B sensor assembly also available for Group B applications. Data sheet and manual link below.

OI-6900 Dual Battery-Powered WireFree Sensor Assembly With Display
Technical Specifications

Enclosure Otis Blue explosion/flame proof
Size & Weight 5.42 in. L x 6.03 in. W x 17.03 in. H (Max. Dimensions w/ Attachments)
6 lbs
Display 102x64 Resolution Graphical LCD Screen, sunlight readable (transflective)
Background: Adjustable (0.01 to 10% of full scale)
Interface Three push buttons: MENU, ADD, SUB
Three corresponding magnetic switches for non-intrusive calibration
Unit Address 52 Networks (GEN II 900 MHz Radio) or 78 Networks (GEN II 2.4 GHz Radio) 255 Addresses per Network
Sensor Types Electro-chemical or Irfrared
O2, LEL, H2S, CO, HCL, HCN, SO2, NH3, NH3A, NO, Cl2, HF, PH3, VOC and more
Remote Sensor Kit OI-501 Remote Sensor Kit with Enclosure (7 pin). Cable available in lengths of up to 250 feet for Electrochemical and lengths of up to 40 feet for Low Power IR
Certification CSA Certified Explosion/Flame-Proof, Class I, Division 1, Group C and D, T6, Ex d IIB T6, Zone 1, AEx d IIB T6
Battery Type & Voltage 1-Year Max. Battery Life (Low-Power Infrared) or 2-Year Max. Battery Life (Electrochemical)
Battery Life Electrochemical 1 year (nominal)
Infrared (IR) LEL/Combustible Sensor 6 months (nominal)
Radio Type GEN II 900 MHz (200 mW) Radio or GEN II 2.4 GHz (125 mW) Radio
Warranty

Hardware: One year (limited)
Sensor: varies with sensor type
Battery: 90 days from ship date

Part Number Formula

OI-6900-[Gas]-[Radio]-[Enclosure]-[2 Battery]
OI-6900-X-X-O-2B

OI-6900-X-X-O-2B-Data-Sheet

   OI-6900-X-X-O-2B-Manual

   OI-6900-X-X-O-2B-LEL-Manual

OI-6900-X-X-K-2B Sensor Assembly For Group B Applications Data Sheet

OI-6900-X-X-K-2B Sensor Assembly For Group B Applications Manual

ATEX Certification Icon
For additional accessories & options:  Accessories
CSA Certification Icon

Otis Instruments OI-6900_Battery Powered WireFree Gas Sensor Assembly Diagram

OI-6900 Battery-Powered WireFree Sensor Assembly Diagram

Otis Instruments Replacement Gas Sensors
For Wired or WireFree™ Remote Sensor Assemblies

Part # Description Range Resolution
Accuracy
OI-254-O2 O2, Oxygen 0 - 25% vol 0.1%
± 2%
OI-2018-SB-CB2 LEL, Combustible Gas
(Catalytic Bead) (OI-6000 only)
0 - 100% LEL 1.0% Increments
±1%
OI-140-IR-LEL LEL, Combustible Gas (Infrared)
(OI_6000 only)
0 - 100% LEL 1.0% Increments
± 2%
OI-254-CO CO, Carbon Monoxide 0 - 1000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 2%
OI-140-IR-CO2 CO2, Carbon Dioxide
(OI-6000 only)
0 - 5% vol 0.1 ppm
± 2%
OI-254-H2S H2S,  Hydrogen Sulfide 0 - 100 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-H2S-2K H2S, Hydrogen Sulfide (Ext.Temp) 0 - 2000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-NH3 NH3, Ammonia 0 - 100 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 5%
OI-254-NH3A-N NH3, Ammonia (Ext) 0 - 1000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 5%
OI-254-Cl2 Cl2, Chlorine 0 - 10 ppm 0.1 ppm
± 5%
OI-254-F2 F2, Florine (Call for availability) 0-1 ppm 0.01 ppm
± 5%
OI-254-CH2O CH2O, Formaldeyde 0-10 ppm 0.01 ppm
± 2%
OI-254-H2 H2, Hydrogen 0- 4% vol 0.1 ppm
± 10%
OI-254-HCL-A HCL, Hydrogen Chloride 0- 100 ppm 0.1 ppm
± 5%
OI-254-HCN-2 HCN, Hydrogen Cyanide 0- 100 ppm 0.1 ppm
± 5%
OI-254-HF HF, Hydrogen Floride 0 - 10 ppm 0.1 ppm
± 10%
OI-254-NO2-N NO2, Nitrogen Dioxide 0-50 ppm 0.1 ppm
± 5%
OI-254-O3 O3, Ozone 0-100 ppm .1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-SO2 SO2, Sulfur Dioxide 0 - 20 ppm .1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-PH3-5-5 PH3, Phosphine 0 - 5 ppm 0.1 ppm
± 2%
OI-PID-A1 PID, Photo Ionization Detector for volatile organic compounds (VOCs) 0-2000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 5%
OI-254-AH PID, Photo Ionization Detector for volatile organic compounds (VOCs)

0-50 ppm

0.1 to 10 ppm, 1 ppm thereafter
± 3%


Note: Other gases and ranges available
. Contact us for additional information

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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.

 

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    18568 Oak Grove Parkway 
    Prairieville, LA  70769 
1-800-337-6291  
Phone: 225-673-6776
    Fax: 225-673-6725
 

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