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 Real-time continuous gas concentration measurement. Sensor signal conditioning and standardized transmission output. Built-in self-diagnosis for sensor aging and circuit fault. Anti-electromagnetic interference design for industrial site. Stable working under high humidity and dusty environment. Configurable high and low alarm thresholds.
Application Scenarios Petrochemical plant and refinery hazardous gas monitoring. Chemical factory toxic gas and combustible gas detection. Oil & gas terminal and power plant safety protection system. Honeywell 05704 gas detection system spare transmitter replacement. Explosion-proof industrial safety monitoring subsystem.
Material Composition Housing: Explosion-proof cast aluminum alloy Sensing element: Industrial gas sensitive sensor Internal PCB: High reliability signal conditioning circuit board
Structural Characteristics Sealed explosion-proof metal housing assembly. Gas diffusion sampling inlet. Cable gland port for field wiring. Metal mounting bracket for wall or pipe installation. Separated internal chamber for sensor and electronic components.
Working Principle Ambient hazardous gas diffuses into sensor chamber and generates electrical signal on sensing element. The circuit processes raw signal into standard transmission signal, sends data to gas controller and triggers safety alarm once gas concentration exceeds preset threshold.
Installation Requirements Cut off power supply before installation and wiring. Select installation position according to gas relative density. Secure transmitter with mounting bracket. Connect power and signal cable following official wiring drawing. Power on, carry out gas calibration and system self-test.
Usage Notes Execute periodic gas calibration following maintenance manual. Keep gas inlet free of dust, oil and viscous deposits. Check housing seal and cable gland aging during routine inspection. Forbid opening explosion-proof housing in hazardous zone. Replace sensing element at end of service life.
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