Brandt Instruments Representing Otis Instruments Fixed Gas Detection System, OI-6940 Notis Quad Battery Powered WireFree Explosion-Proof 4-Gas Detector Sensor Assembly With Display for Fixed Gas Detection System
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Otis Instruments
OI-6940 Cube Series
WireFree™ 4-Gas Non-Explosion Proof
Remote Sensor Assembly with Display
Fixed Point Gas Detection Systems

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OI-6940 Cube Series WireFree™ 4-Gas
Non-Explosion-Proof
Remote Sensor Assembly

The Otis Instruments OI-6940 Cube Seriesis a self contained remote wirefree battery-powered non explosion-proof 4-gas sensor assembly that can simultaneously use up to four sensors for sensing an array of toxic gases in ambient air.  It can use electro-chemical or infrared sensor elements to detect a variety of gases including H2S, O2, SO2, Cl2, H2, HCN, NH3, NO2, LEL as well as other toxic gases.

   Weather proof enclosure
    Glass lid for viewing the display
    102x64 graphical LCD screen
   Quickly setup and install remote sensor(s)
   Non-intrusive calibration & setup with MENU, BACK, ADD and SUB
    Electro-chemical low powered Infra-red and/or PID sensors
   Battery designed to last for up to 6 months
   Easy radio interface with Otis multi-channel control monitors 
    Rapid response and clearing time

                                                                                     

OI-6940 Cube Series WireFree NON-Explosion-Proof
4-Gas Remote Gas Detector Sensor Assembly
Technical Specifications

Enclosure
 10x9x6 Non-Explosion Proof
Size 7 in. D x 11 in. W x 24 in. H (Max. Dimensions w/ Attachments)
Display 160x104 Resolution Graphical LCD Screen Transflective (Sunlight Readable) with LED Backlight
RF Connection External N-Female Radio Frequency (RF) Connector, Flexible Antenna Included
Interface

Four push buttons: MENU, BACK, ADD, SUB
Four corresponding magnetic switches for non-intrusive setup and calibration
Operating Temperature Range -40° F to 129° F; -40° C to 54° C
Sensor Types Up to 4 sensors
Electro-chemical, low powered Infra-red and/or PID
H2S, O2, SO2, Cl2, H2, HCN, NH3, NO2, LEL and more
Remote Sensors OI-501-7 Remote Sensor Kit
Electrochemical Sensor: up to 250 feet of Cable
Low-Powered Infrared Sensor: up to 40 feet of Cable
Photo Ionization Detectors (PID): up to 35 feet of Cable
Battery Type & Voltage Battery Powered 3.6 V (76 Ah) Battery Pack (Non-Rechargeable)
Battery Life Up to 6 months (normal operation with standard sensors)
Radio Options

2.4 GHz ISM, 125 mW
900 MHz 200 mW (For overseas use)
Networks

78 Networks (GEN II 2.4 GHz Radio)
52 Networks (GEN II 900 MHz Radio)
255 Addresses per Network

Warranty

Hardware: One year (limited)
Sensor: Varies with Sensor Type and Element and is Subject to Otis Verification
Battery: 90 days from ship date

Part Number Formula

OI-6940-[# of Sensors]-[Radio Frequency]-XP [# of Sensors] = OI 2700-[Gas Type]

Otis WireFree Logo

Otis OI-6940 Cube Series Data Sheet

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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