RKI F-IR3-H2-ASX3 FlameSpec StretcH2 Triple IR (IR3-H2)

The RKI F-IR3-H2-ASX3 StretcH2 Triple IR (IR3-H2) Flame Detector for Energy Transition Fires — including hydrogen and hydrocarbons — Standard with HART 7 & SIL 2. It covers energy transition fires — hydrogen and hydrocarbons — at extended range with triple-IR false-alarm immunity, HART 7, and SIL 2.

HART 7 digital protocol provides advanced detector communications, event push notification, and HART 7 wireless readiness, and the unit is SIL 2 rated. Outputs include a tri-colour LED, 4–20 mA, three SPST relays (fire alarm, fault, and auxiliary), and Modbus RS485 — it wires straight into your fire panel or control system.

Note: each FlameSpec head must be ordered with a mount (sold separately) — choose the standard tilt mount, the fixed high-vibration bracket, or the HD tilt mount below.

• Tri-colour LED status indication
• 4–20 mA analog output with HART 7
• 3 x SPST relays — fire alarm, fault, and auxiliary
• Modbus RS485 serial communications
• Proven FlameSpec detection platform
• SIL 2 rated
• Each head must be ordered with a mount (sold separately)

Product Literature

• RKI Flame Detection Brochure (PDF)
• FlameSpec IR3-H2 User Manual (PDF)