Brandt Instruments Representing Otis Instruments Fixed Gas Detection System, OI-6900 Non-Explosion Proof Battery Powered Wirefree Gas Detector Sensor Assembly Fixed Gas Detection System
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Otis Instruments OI-6900 Cube Series Non-Explosion-Proof Dual Battery Powered Fixed Gas Detection Sensor Assembly

Otis Instruments
OI-6900 Cube Series
WireFree™ Dual Battery-Powered Sensor Assembly
Non-Explosion-Proof Sensor Assembly with Display
Fixed Point Gas Detection Systems

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Otis OI-6900 Cube Series

OI-6900 Cube Series Dual Battery-Powered WireFree Non-Explosion Proof
Single Gas Sensor Assembly

The Otis Instruments OI-6900 Cube Series non-explosion proof sensor assembly is an ambient air fixed single point dual battery-powered WireFree remote sensor assembly. Uses an electrochemical element to detect a variety of gases including O2, LEL, H2S, CO, HCL, HCN, SO2, NH3, NH3A, Cl2, 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.

   Non-explosion proof
   Black Polypropylene Plastic with Stainless Steel Mesh Screen
   3 Push-Buttons switches MENU, ADD and SUB
   Magnetic non-intrusive calibration
   Auto-setting Null, relay/alarm tests & battery voltage indication
   Electrochemical sensor elements for gas detection
   2-Year Maximum Battery Life
   Adjustable background gas setting
   Quickly setup and install a remote sensor

OI-6900-X-X-T-2B Dual Battery-Powered Non-Explosion Proof
WireFree Sensor Assembly With Display
Technical Specifications

Enclosure Housing Non-Explosion Proof Aluminum Device Enclosure with Plastic Lid
Size & Weight 5.37" L x 5.11" W x 15.76" H (Maximum 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
Customizable Settings Adjustable Background Gas Setting (1% to 10% of Full Scale)
WireFree Radio Options GEN II 900 MHz (200 mW) Radio or
GEN II 2.4 GHz (125 mW) Radio (for overseas use)
Unit Address 52 Networks (GEN II 900 MHz Radio) or 78 Networks (GEN II 2.4 GHz Radio)
255 Addresses per Network
RF Connection N-Female Radio Frequency (RF) Connector
Sensor Types Electrochemical Sensors
H2S, CO, O2, HCL, HCN, NH3, NH3A, NO2, SO2, H2, LEL, CL2, HF, PH3
Battery Type & Life Dual Battery Powered
2-Year Maximum Battery Life
Operating Voltage 3.6 V (19 Ah each, 38 Ah total) Lithium-Thionyl (Li-SOCl2) Battery, with Connector (Non-Rechargeable)
Tamb Temperature Range -20°C to +54°C
Humidity Range 0% to 98% Relative Humidity, Noncondensing
Warranty

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

Part Number Formula

OI-6900-[Gas]-[Radio]-[Enclosure]-2B
OI-6900-X-X-T-2B


OI-6900-Cube Series Sensor Assembly Data Sheet

OI-6900-Cube Series Sensor Assembly Manual

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For additional accessories & options:  Accessories
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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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