Products Description
RKI SD-1RI Gas Detector Inquiry Item

Description
SD-1RI is an infrared combustible gas detector of RKI SD-1 series. It adopts non-dispersive infrared measurement principle to detect flammable hydrocarbon gas, supports 4-20mA analog signal and HART communication. It is equipped with explosion-proof flameproof housing, supports non-intrusive calibration and parameter setting by magnetic key without opening the cover. It has built-in self-diagnosis function and alarm relay output, conforms to SIL2 safety standard. It is widely used for gas leak monitoring in petrochemical, oil & gas and refinery hazardous zones.
Specification
Model: SD-1RI Brand: RKI Instruments Type: Infrared LEL gas detector Detection range: 0~100% LEL Power supply: 24V DC Signal output: 4-20mA + HART Explosion proof rating: Exd IIC T6 Gb Certification: ATEX, IECEx, SIL2 Protection grade: IP65
Component and Fault Diagnosis
It includes IR optical sensor cell, main signal circuit, digital display screen, explosion-proof cast aluminum housing, wiring terminal and magnetic calibration switch. Common faults: Zero drift, gas response failure, HART communication interruption, display blank, internal moisture ingress, sensor aging.
Disclaimer
This spare part shall be installed, calibrated and maintained by qualified instrument technicians. Confirm the detected gas type and hazardous zone classification before commissioning.