S301-IRF-R22 | Honeywell R22 Refrigerant Gas Sensor 0–1000 PPM 4–20 mA

Honeywell · Sensors & Instrumentation

Description  The Honeywell S301-IRF-R22 is a refrigerant gas sensor specifically designed for R22 detection when used with the Honeywell 301-EM monitoring system. It measures concentrations from 0 to 1000 ppm and provides a 4–20 mA output for integration with building safety controls. Engineered for continuous monitoring, it supports early leak detection in commercial refrigeration and HVAC environments.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category Gas Detection Part Number S301-IRF-R22 Subcategory Refrigerant Gas Sensors Target Gas R22 Refrigerant Measurement Range 0–1000 ppm Output Signal 4–20 mA Power Supply (AC) 22–27 VAC @ 48 VA, 50/60 Hz Power Supply (DC) 22–38 VDC @ 2 A Max Sensor Technology Infrared (IR) Compatibility Honeywell 301-EM Application HVAC / Refrigeration Leak Detection Mounting Type Fixed Installation Weight 1 lb   Information About S301-IRF-R22 The S301-IRF-R22 is a Honeywell infrared refrigerant gas sensor developed for compatibility with the 301-EM gas monitoring controller. It is calibrated specifically for R22 refrigerant and delivers accurate concentration readings across a 0–1000 ppm measurement range. The sensor outputs a standard 4–20 mA signal for reliable communication with compatible monitoring and alarm systems. Designed for flexible power input, it operates on 22–27 VAC at 48 VA (50/60 Hz) or 22–38 VDC up to 2 A maximum, making it suitable for commercial HVAC and mechanical room installations. Key Features: R22-Specific Detection: Calibrated for accurate monitoring of R22 refrigerant gas. 0–1000 ppm Measurement Range: Enables precise leak detection within typical exposure limits. 4–20 mA Output Signal: Provides standardized analog output for control system integration. 301-EM Compatibility: Designed for use with Honeywell 301-EM gas monitoring controllers. Dual Power Options: Operates on 22–27 VAC (50/60 Hz) or 22–38 VDC. Infrared Sensing Technology: Enhances stability and reduces cross-sensitivity. Continuous Monitoring Capability: Suitable for mechanical rooms and refrigeration spaces. The S301-IRF-R22 delivers the reliability and precision required for refrigerant leak detection and safety monitoring in commercial HVAC systems.

Brand: Honeywell · Category: Sensors & Instrumentation

Key features

• R22-Specific Detection: Calibrated for accurate monitoring of R22 refrigerant gas.
• 0–1000 ppm Measurement Range: Enables precise leak detection within typical exposure limits.
• 4–20 mA Output Signal: Provides standardized analog output for control system integration.
• 301-EM Compatibility: Designed for use with Honeywell 301-EM gas monitoring controllers.
• Dual Power Options: Operates on 22–27 VAC (50/60 Hz) or 22–38 VDC.
• Infrared Sensing Technology: Enhances stability and reduces cross-sensitivity.
• Continuous Monitoring Capability: Suitable for mechanical rooms and refrigeration spaces.

Specifications

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