Products Description
Riken Keiki SD-705GP Gas Detector Transmitter

Core Performance & Industrial Application
The Riken Keiki SD-705GP is a fixed flammable gas detection transmitter for hazardous locations.
It adopts catalytic combustion sensor to continuously detect LEL concentration of combustible gas.
It converts gas concentration signal into standard 4-20mA analog signal and supports relay alarm output.
It is equipped with built-in self-diagnosis function to check sensor failure and circuit abnormality.
It has rugged explosion-proof housing, suitable for long-term stable operation in chemical and oil & gas sites.
It can connect to gas alarm controller or DCS system to realize gas monitoring and interlock protection.
It is widely used as spare replacement for old gas safety systems.
Technical Specifications
▶ Product type: Fixed combustible gas transmitter
▶ Brand: Riken Keiki
▶ Model: SD-705GP
▶ Detection principle: Catalytic bead
▶ Output: 4-20mA + relay contact
▶ Supply voltage: 24 VDC
▶ Current consumption: 250 mA
▶ Protection rating: IP66
▶ Explosion-proof: ATEX / IECEx certified
▶ Operating temperature: -20℃ ~ +50℃
▶ Feature: Sensor fault self-check, local status indicator, stable detection
▶ Country of origin: Japan
▶ Compliance: CE certification

Industry Applications
Applied in chemical plants, oil & gas facilities and refineries for flammable gas leak detection equipment maintenance.
Note: Confirm detection gas type and alarm setting before ordering