Wired Detectors
OI-6000 3-Wire Detector
The OI-6000 Series is a wired gas detection solution engineered for reliable performance across industrial and commercial environments. Supporting electrochemical, infrared, catalytic bead, and PID sensor technologies, it delivers precise detection across a wide range of hazardous gases.
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Operating on 12–35 VDC, the OI-6000 Series features 4–20 mA analog and RS-485 Modbus outputs for seamless integration with existing control systems. An optional radio communication feature enables WireFree data transmission, providing additional flexibility for system configuration and monitoring.
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Part Number Formula:
OI-6000-[Sensor Type]-[Gas Type]-[Radio Option]-[Relay Option]-O
OI-6000 Non XP Wired Detector with Relays
The OI-6000 CUBE R (Non-Explosion Proof) is a versatile gas detection solution engineered for consistent performance across a wide range of environments. Supporting electrochemical, infrared, and PID sensor technologies, it delivers accurate detection of toxic gases in ambient air.
Operating on 12–35 VDC or 120 VAC, the OI-6000 features 4–20 mA analog,
RS-485 Modbus, and WireFree output options for seamless system integration. Integrated relay outputs enable direct control of external devices, including lights, sirens, and ventilation systems, providing automated response to configurable alarm conditions.
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Part Number Formula:
OI-6000-[Sensor Type]-[Gas]-[Radio Option]-R-AC-C
OI-6750 2-Wire Loop Detector
The OI-6750 is a loop-powered gas detection solution engineered for reliable performance across industrial and commercial environments. Utilizing electrochemical sensor technology, it delivers precise detection of a wide range of toxic gases.
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Designed with a 2-wire 4–20 mA architecture, the OI-6750 enables seamless integration with existing systems, making it well-suited for retrofit and upgrade applications. Its efficient design and dependable performance provide a cost-effective solution for continuous gas monitoring.
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Part Number Formula:
OI-6750-[Gas Type]-X-O
Flame Detection
Omniguard 660 UV Flame Detector
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Housing Material/Conduit Entry:
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0 – Aluminum, 3/4-14 NPT
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2 – Stainless Steel, 3/4-14 NPT
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3 – Aluminum, M20-1.5
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5 – Stainless Steel, M20-1.5
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The Omniguard® Model 660 UV Flame Detector is an advanced fire detection solution engineered for reliable performance in industrial and high-risk environments. Utilizing ultraviolet sensing technology, it delivers rapid detection of both hydrocarbon and non-hydrocarbon fires.
An integrated automatic self-test function continuously verifies system integrity, ensuring immediate notification of fault conditions. Its proven design and dependable performance make it well-suited for demanding safety applications.
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Part Number Formula:
OI-660-[Fire Type] [Housing Material/Conduit Entry] 1 [Fire Relay] 0
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Fire Type:
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0 – Industrial Temp
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1 – High Temp
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Fire Relay:
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0 – Latching
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1 – Non-Latching
Omniguard 760 Multi-Spectrum IR Flame Detector
The Omniguard® Model 760 Multi-Spectrum Infrared Flame Detector is an advanced fire detection solution engineered for reliable performance in high-risk industrial environments. Utilizing multi-spectrum infrared (IR4) technology, it detects fires by analyzing infrared radiation across multiple wavelengths, enabling early and accurate identification of hydrocarbon-based fire events.
Featuring the patented Omniguard® Fire Event Algorithm, the Model 760 delivers enhanced false alarm immunity by combining multi-spectrum sensing with advanced signal processing. An integrated automatic self-test function continuously verifies operational integrity and ensures immediate notification of fault conditions. Its advanced detection capabilities and dependable performance make it well-suited for demanding safety applications.
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Part Number Formula:
OI-760-0 [Housing Material/Conduit Entry] 1 [Fire Relay] 0
Fire Relay:
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0 – Latching
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1 – Non-Latching
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Housing Material/Conduit Entry:
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0 – Aluminum, 3/4-14 NPT
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2 – Stainless Steel, 3/4-14 NPT
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3 – Aluminum, M20-1.5
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5 – Stainless Steel, M20-1.5
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Omniguard 860 UV-IR Flame Detector
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Housing Material/Conduit Entry:
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0 – Aluminum, 3/4-14 NPT
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2 – Stainless Steel, 3/4-14 NPT
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3 – Aluminum, M20-1.5
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5 – Stainless Steel, M20-1.5
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The Omniguard® Model 860 UV/IR Flame Detector is an advanced fire detection solution engineered for reliable performance across a wide range of industrial environments. Utilizing combined ultraviolet and infrared sensing technologies, it delivers early and accurate detection of fire events.
Featuring a patented fire event analysis algorithm, the Model 860 provides enhanced false alarm immunity by distinguishing true fire conditions from non-fire sources. Available in configurations for hydrocarbon-only or combined hydrocarbon and select non-hydrocarbon detection, it offers flexible application across diverse operating environments. An integrated automatic self-test function continuously verifies system integrity and ensures immediate notification of fault conditions.
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Part Number Formula: OI-860-[Fire Type] [Housing Material/Conduit Entry] 1 [Fire Relay] 0
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Fire Type:
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0 – Industrial Temp
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1 – High Temp
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Fire Relay:
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0 – Latching
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1 – Non-Latching
Wired Controllers
OI-7480 4-20 mA Wired Controller
The OI-7480 is a multi-channel controller engineered for reliable monitoring and control of gas detection systems. Supporting up to twelve 4–20 mA input channels, it provides real-time visibility into gas levels from connected wired sensor assemblies.
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Featuring integrated display, data transmission, and alarm functionality, the OI-7480 enables effective system oversight and rapid response to changing conditions. Its dependable performance and flexible configuration make it well-suited for industrial and commercial safety applications.
Part Number Formula:
OI-7480-AC-12
OI-7432 Modbus Wired Controller
The OI-7432 is a high-capacity controller engineered for reliable monitoring and control of gas detection systems. Supporting up to 32 sensor inputs, it provides real-time visibility into toxic, combustible, and oxygen gas levels across connected devices.
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Designed for seamless integration with OI-6000 sensor assemblies, the OI-7432 utilizes RS-485 Modbus daisy chain communication to ensure accurate data acquisition and system responsiveness. Featuring integrated display, data transmission, and alarm functionality, it enables effective oversight and rapid response in industrial and commercial safety applications.
Part Number Formula:
OI-7432-AC-32
WireFree Controllers
OI-7010 Hybrid Controller
The OI-7010 is an advanced hybrid controller engineered to support complex gas detection and monitoring systems. Designed to manage up to 32 WireFree sensor assemblies along with 4–20 mA inputs, it provides flexible integration across both WireFree and wired configurations.
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Featuring Modbus RS-485 communication and integrated relay outputs, the OI-7010 enables seamless connectivity with existing control systems and external devices. Its scalable architecture and reliable performance make it well-suited for demanding industrial safety applications.
Part Number Formula:
OI-7010-AC-[Radio Option]-A4-32
OI-7032 Hybrid-Data Logging Controller
The OI-7032 is an advanced hybrid controller and touchscreen data logger engineered for high-capacity gas detection and monitoring systems. Designed to support up to 32 WireFree sensor assemblies, with the flexibility to integrate 4–20 mA inputs, it provides scalable performance across both WireFree and wired configurations.
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Featuring Modbus RS-485 communication, integrated relay outputs, and onboard data logging, the OI-7032 enables seamless system integration and reliable capture of critical operational data. Its robust architecture and expanded capabilities make it well-suited for complex industrial safety applications.
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Part Number Formula:
OI-7032-AC-[Radio Option]-A4
OI-7530 Non XP Secondary Controller
The OI-7530 (Non-Explosion Proof) is an advanced WireFree secondary controller designed to integrate seamlessly with the Otis Instruments WireFree product line. Supporting up to 32 sensor assemblies, it utilizes 900 MHz or 2.4 GHz communication to deliver reliable WireFree connectivity in demanding environments.
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Featuring Modbus RS-485 communication and integrated relay outputs, the OI-7530 enables flexible system integration and enhanced response capabilities. Its robust design and dependable performance make it well-suited for industrial safety and monitoring applications.
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Part Number Formula:
OI-7530-[Radio Option]-AC-I
OI-7530 XP Secondary Controller
The OI-7530 is an explosion-proof WireFree secondary controller engineered for seamless integration with the Otis Instruments WireFree product line. Designed for hazardous environments, it supports up to 32 sensor assemblies and utilizes 900 MHz or 2.4 GHz communication to deliver reliable WireFree connectivity in demanding conditions.
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Featuring Modbus RS-485 communication and integrated relay outputs, the OI-7530 enables flexible system integration and enhanced response capabilities. Its rugged, explosion-proof design ensures dependable performance across industrial safety and critical monitoring applications.
Part Number Formula:
OI-7530-[Radio Option]-AC-A
Wirefree Detectors
OI-6900 Single Gas Detector
The WireFree OI-6900 is an advanced WireFree gas detection solution engineered for reliable performance in demanding environments. Powered by a dual-battery system, the device supports electrochemical, low-power infrared, and PID sensor technologies to deliver precise detection across a wide range of gases.
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Part Number Formula:
OI-6900-[Gas Type]-[Radio Option]-O-2B
OI-6940 Quad XP Detector
The OI-6940 Quad is an advanced, WireFree Quad gas detection solution engineered for reliable performance in hazardous environments. Featuring up to four sensor inputs, the device supports electrochemical, low-power infrared, and PID technologies to deliver precise detection across a wide range of gases. Designed as a fully self-contained system, the OI-6940 Quad provides up to six months of continuous operation on a single battery pack. Its explosion-proof construction ensures dependable performance in demanding industrial applications.
Part Number Formula:
OI-6940-[# of Sensors]-[Radio Option]-XP
Please specify gas types when ordering
OI-6900 Non XP Single Gas Detector
The OI-6900 CUBE (Non-Explosion Proof) is an advanced WireFree gas detection solution designed for reliable performance across a wide range of applications. Powered by a dual-battery system, the device supports electrochemical, infrared, and PID sensor technologies to deliver precise detection across a variety of gases.
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Featuring an integrated display for real-time gas readings and non-intrusive magnetic interface for calibration and configuration, the OI-6900 CUBE enables efficient operation without interrupting service. Its streamlined design provides a flexible and dependable solution for continuous gas monitoring in non-explosion proof areas.
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Part Number Formula:
OI-6900-[Gas Type]-[Radio Option]-C-2B
About OTIS
Otis Instruments exists to protect people, assets, and operations by delivering reliable, innovative gas detection solutions engineered for the most demanding environments. Through advanced technology, U.S. based manufacturing, and industry-leading engineering, we are committed to driving safety, performance, and operational excellence for our customers worldwide.