Technical Specifications Power Supply: 24V DC Operating Temperature: -40℃ ~ 70℃ Mounting: Wall or pipe bracket mounting Signal Output: 4-20mA analog or digital bus signal Protection Grade: IP66
Functional Features Continuous real-time gas concentration measurement. Signal conditioning and standardized output for host controller. Built-in sensor self-test, fault diagnosis and alarm function. Strong anti-electromagnetic interference capability. Stable operation in high humidity, dusty industrial environment. Configurable alarm threshold for site requirement.
Application Scenarios Oil refinery and petrochemical plant gas safety monitoring. Chemical process plant hazardous gas detection. Offshore platform and power plant fire & gas protection system. Honeywell 05704 series gas detection system spare parts. Explosion-proof industrial safety monitoring application.
Material Composition Housing: Explosion-proof cast aluminum alloy Sensing element: Electrochemical or catalytic bead gas sensor Internal PCB: High reliability industrial signal processing circuit board
Structural Characteristics Integrated explosion-proof sealed housing. Gas diffusion inlet for ambient gas sampling. Cable gland for field power and signal wiring. Metal mounting bracket for wall or pipe installation. Internal compartment separated for sensor and electronic circuit.
Working Principle Target gas enters through diffusion inlet and reacts with sensing element. The circuit converts sensor raw signal into standard transmission signal, sends data to gas controller and activates alarm output when gas concentration exceeds predefined threshold.
Installation Requirements Disconnect power supply before installation and wiring. Select installation location based on gas density and air flow. Fix transmitter with mounting bracket. Complete wiring according to Honeywell official drawing. Power on, perform calibration and full function self-test.
Usage Notes Execute periodic gas calibration according to maintenance schedule. Keep gas inlet clean from oil, dust and viscous deposits. Inspect housing sealing and cable gland aging regularly. Do not open explosion-proof enclosure within hazardous area. Replace sensing element once service life ends.
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