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 Fixed Gas Detection Systems Logo

Otis Instruments OI-6940 Notis Quad
WireFree™ 4-Gas Explosion Proof
Remote Sensor Assembly with Display
Fixed Point Gas Detection Systems



home otis instruments fixed point detectors OI-6940 OI-6940 Notis Quad 4-Gas WireFree Remote Sensor Assembly With Display

Otis Instruments OI-6940 Notis Quad 4-Gas WireFree Sensor Assembly

OI-6940 Notis Quad WireFree™ 4-Gas
Explosion-Proof Remote Sensor Assembly

The OI-6940 Notis Quad is a self contained remote wirefree battery-powered 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 O2, LEL, H2S, SO2, NH3, Cl2, HF, PH3 as well as other toxic gases.

 

   Explosion and weather proof enclosure
   Glass lid for viewing the display
   102x64 graphical LCD screen
   Quickly setup and install a remote sensor(s)
   Non-intrusive calibration & setup with MENU, BACK, ADD and SUB
   Electro-chemical or IR sensor elements for gas detection
   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 Notis Quad WireFree Explosion-Proof
4-Gas Remote Gas Detector Sensor Assembly
Technical Specifications

Enclosure
Explosion proof
Size 10-3/16 " x 9-3/4" x 6-7/16" deep
Display Graphical LCD, sunlight readable (transflective), LED back-light, 160x104 pixel resolution
Interface

Four push buttons: MENU, BACK, ADD, SUB
Four
corresponding magnetic switches for non-intrusive setup and calibration

Operating Temperature -40° F to 129° F, -40° C to +54° C
Sensor Types Electro-chemical or low powered Irfrared
H2S, O2, SO2, Cl2, H2, NH3, LEL and more
Remote Sensors Kit to remote-mount the sensors 10, 25, 50, 75, or 100 feet from the enclosure
Enclosure Certifications Class I, Groups B, C, D; Class II, Groups E, F, G; Class III;
Class I, Zone 1, Aex d IIB+H2; Ex d IIB+H2
Battery Type & Voltage 3.6 Volts 76 Amp Hour Battery Pack
Battery Life Up to 6 months
Radio Type 2.4 GHz ISM, 100 mW or 900 MHz 200 mW
Warranty

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

Otis WireFree Logo

Otis OI-6940 Brochure

   OI-6940 Manual

For additional accessories & options:  Accessories

CSA Certification Icon
ATEX Certification Icon

Otis Instruments OI-6940 Notis Quad WireFree 4-Gas Explosion Proof Sensor Assembly Diagram

OI-6940 Notis Quad WireFree EXP 4-Gas 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% 0.1%
± 2%
OI-120-NP-17SHM LEL, Combustible Gas
(Catalytic Bead) (OI-6000 only)
0 - 100% LEL 1.0% Increments
±1%
OI-140-NP-IR-LEL LEL, Combustible Gas (Infrared)
(OI_6000 only)
0 - 100% LEL 1.0% Increments
± 2%
OI-254-CO CO, Carbon Monoxide 0 - 999 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 2%
OI-140-IR-CO2 CO2, Carbon Dioxide
(OI-6000 only)
0 - 5% 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 - 100 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 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 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% 0.1 ppm
± 10%
OI-254-HCl HCN, Hydrogen Chloride 0- 30 ppm 0.1 ppm
± 5%
OI-254-HCN HCN, Hydrogen Cyanide 0- 30 ppm 0.1 ppm
± 5%
OI-254-HF HF, Hydrogen Floride 0 - 10 ppm 0.1 ppm
± 10%
OI-254-NO2 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 - 20ppm .1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-PH3 PH3, Phosphine 0 - 20 ppm 0.1 ppm
± 2%
OI-254-PID-A1 PID, Photo Ionization Detector for volatile organic compounds (VOCs) (OI-6000 only) 10, 20 or 50 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 5%
OI-254-AH PID, Photo Ionization Detector for volatile organic compounds (VOCs) (OI-6000 only)

1000 or 2000 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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