Brandt Instuments Representing Otis Instruments Fixed Gas Detection Systems, OI-6975 Gas Detector Sensor Assembly With Display for Fixed Gas Detection System
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Otis Instruments OI-675
2-Wire Loop-Powered | 4-20mA Analog Output
Electrochemical Toxic Gas Sensor Assembly
Explosion Proof Fixed Point Gas Detection System

home otis instruments fixed point detectors OI-675 OI-675 2-Wire Loop-Powered Remote Toxic Gas Electrochemcial Sensor Assembly With Display

Otis Instruments OI-675 Series 2-Wire Electrochemical Toxic Gas Detector

OI-675 2-Wire Loop-Powered
Electrochemical Sensor Assembly
Explosion Proof with Display

The OI-675 is an ambient air fixed point remote gas sensor assembly with a two-wire loop-power sensor assembly that uses any any "4" Series electrochemical sensor element to detect a variety of gases including O2, H2S, SO2, CO, NH2, Cl2 and HF.

The OI-675 comes standard with a display with three-button interface, non-intrusive magnetic switches and the Otis-blue custom explosion-proof enclosure.  

   2-wire loop powered
    3-button non-intrusive calibration with MENU, ADD and SUB
   4-20mA analog output
   Explosion and weather proof Otis-Blue enclosure
    Electrochemical sensor elements for gas detection
   Quickly setup and install a remote sensor assembly
   Rapid response and clearing time

 

OI-675-X-O 2-Wire Loop-Powered Toxic Gas Sensor With Display
Technical Specifications

Enclosure Aluminum Device Enclosure
303 Stainless-Steel Sensor Housing
Size & Weight 5.5 in. L x 6.25 in. W x 17.25 in. H (Max. Dimensions w/ Attachments)
|Weight: 5.75 lbs
Display 3 Digit, 7 Segment Display Screen
Interface Three push buttons: MENU, ADD, SUB
Three corresponding magnetic switches for non-intrusive calibration
Sensor Types Electrochemical "4" Series only
Accuracy +/- 5% full-scale
Power Type Loop-Powered (2-Wire)
Wired (Analog) Output 4-20 mA (2-Wire)
Approvals CSA Component Certified Explosion-Proof
Certifications

Class I, Division 1, Groups C and D
Tamb -40C to +55C

Warranty Hardware: One year (limited)
Sensor: Varies with Sensor Type. Subject to Otis Verification of Element Status.
Part Number Formula OI-675-[Gas]-[Enclosure]
OI-675-X-O


Otis OI-675 Data Sheet

   OI-675 Manual

For additional accessories & options:  Accessories

 

OI-675-Electrochemical-Sensor-Assembly-Diagram

 

OI-675 Electrochemical Sensor Assembly Diagram

Otis Instruments Replacement Electrochemical Sensors
For the OI-675 Wired Gas Sensor Assemblies

Part # Description Range Resolution
Accuracy
OI-254-O2 O2, Oxygen 0 - 25% vol 0.1%
± 2%
OI-254-CO CO, Carbon Monoxide 0 - 1000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 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%


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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