Sensor Type: PR (Poison‑Resistant pellistor catalytic bead)
Measured Gas: Combustible gases & vapors
Measuring Range: 0‑100 % LEL
Detection principle: Catalytic combustion
T90 response time: ≤15 s
Expected service life: 3‑5 years (clean environment)
Feature: Enhanced poison‑resistance against silicone, sulfur compounds
Certification Mark: ATEX / CSA‑C22.2
Compatible Transmitter: Polytron 2XP‑EX, Polytron SE‑EX
