OI-6000 Explosion Proof Wired Powered Sensor Assembly with Two Relays

OI-6000 Limatherm Enclosure

The Otis Instruments OI-6000 Series Ambient Air Hazardous Gas Detector is a versatile assembly that uses an electrochemical, infrared, catalytic bead, or PID sensor element to detect a variety of gases. Wired power (12 to 35 VDC) with 4-20 mA analog and RS-485 Modbus outputs standard. Magnetic switches allow for non-intrusive calibration while in the field as well as full system settings and diagnostics while remaining Class I Division 1 Groups B, C & D Certified.

Part Number Formula: OI-6000-[Sensor Type]-[Gas]-X-R-O

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Sensor Type: Electrochemical, Infrared, Catalytic Bead, or Photo Ionization Detector

Power Voltage: Wired Power (3-Wire) 12 to 35 VDC

Power Draw: 2 Watts Maximum


• Power Electromagnetic Interference (EMI) Filter

• 4-20 mA Surge Suppression

• RS-485 Surge Suppression

Display Screen:

• 102×64 Resolution Graphical LCD Screen

• Transflective (Sunlight Readable) with white LED Backlight


• 3 Push-Buttons (MENU, ADD, and SUB)

• 3 Magnetic Non-Intrusive Switches for Calibration (MENU, ADD and SUB)

Customizable Settings: 2 Individually-Configurable Alarm LED Set-Points

Tamb Temperature Range: -40°C to +54°C / -40°F to 130°F

Wired Analog Output:

• 4-20 mA (3-Wire)

• Fault Terminal

• Optional 2 Dry-Contact Relays with Replaceable 4 Amp Fuses

Digital Output: RS-485 Modbus

Optional WireFree Radio Output: GEN II 900 MHz Radio or GEN II 2.4 GHz Radio

Remote Sensor Kit (Optional Additional Feature): OI-501-5 Remote Sensor Kit with Enclosure (5 Pin)

• Electrochemical Sensor Max Length: 250 Feet

• Infrared Sensor Max Length: 40 Feet

• Photo Ionization Detector Sensor Max Length: 35 Feet

• Catalytic Bead Sensor Max Length: 15 Feet

Product Dimensions: 5.5″ T x 6″ W x 7″ H (8” W x 17” H Maximum w/ Antenna Fitting and Antenna)

Total Weight: 6 lbs.

Hazardous Location/ Certifications and Approvals:

• Class I, Division 1, Group B, C and D, T6

• Ex d IIB T6

• Zone 1, AEx d IIB T6

• Tamb –40°C to +54°C

Hardware Warranty: Limited one year

Sensor Element Warranty: Varies with Gas Type

Gas Type: AsH3, CH2O, CH3SH, CH4, CL2, CLO2, CO, CO2, ETO, F2, H2, H2S, H2S2K, HBr, HCL, HCN, HF, LEL, NH3, NH3300, NH3A, NO, NO2, O2, O3, O3H, PH3, SO2, VOC10, VOC20, VOC50, VOC1K, VOC2K


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