Riken Keiki RKI FI-21 MJ Portable gas calorimeter


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RKI FI-21 MJ Feature

  • Compact and lightweight
  • Only five minutes warming up is enough
  • High speed response (15 sec to get 90% response)
  • High accuracy (±0.1MJ/Nm3)
  • Simple operation and easy-to-read digital display

RKI FI-21 MJ Specification

  • Category Portable gas detector
  • Type Single gas
  • Target gas NG or NG + LPG
  • Detection principle Optical interferometric
  • Detection range 25-55 MJ/Nm3 (minimum digit : 0.01MJ/Nm3)
  • Sampling method Sample draw
  • Power source Alkaline battery (Size C) 4 pcs., or by AC adaptor
  • Continuous operation 20 hours (Alkaline batteries)
  • Dimensions & Weight 340(W) x 235(H) x 180(D) mm, 5.5kg
  • Operating temperature & Humidity -10 to 40oC, Below 95%RH (Non-condensing)


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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