Riken Keiki RKI RI-257 Infrared Single Gas Monitor


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The Riken Keiki RI-257 infrared single gas monitor is developed for applications in cleaning processes, cold-storage plants, drying rooms and refrigerators.

Riken Keiki RKI RI-257 Spec

  • Detection gas Perfluoro compound gases, IPA
  • Principle of detection NDIR (Non-dispersive infrared)
  • Sampling method Sample draw
  • Power source AC100V, AC117V, AC220V ±10% 50/60Hz
  • Dimensions 180(W) x 355(H) x 97(D) mm
  • Weight 3.8kg
  • Operating temperature 0…40°C
  • Operating Humidity 30 ~ 90%RH (Non-Condensing)
  • Approvals CE


Riken Keiki

The RIKEN KEIKI (KRI) product lineup includes more than 100 types of gas detectors and environmental monitoring products. Riken Keiki (RKI) Single gas detector range: 
  • 03 Series Smallest Single Gas Monitor
  • GasWatch 3 – Smallest Gas Monitor
  • 04 Series Smallest Toxic Gas Monitor
  • FP-31 Formaldehyde Gas Detector
  • SP-220 Gas Leak Checker for Combustible, Toxic, Freon and Fumigation Gases
  • SC-8000 Portable Toxic Gas Monitor
Riken Keiki (RKI) Multi-gas detector range: 
  • GX-3R Personal Gas Detector
  • GX-3R Pro Gas Detector with Wireless Communication
  • GX-6000 PID Gas Monitor
  • GX-2012 Confined Space Gas Monitor
  • GX-2009 Portable Multi Gas Detector
  • Gas Tracer PPM Leak Detector
  • Eagle 2 Multi Gas Detector for LEL, O2, H2S, CO, VOC & Toxics
  • Eagle Gas Detector
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