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Single Gas Detector


In early 1930, many of explosion accidents at oil tanker were occurred. To prevent these accidents, a gas Detector based on optical interferometric method was developed and Riken Keiki was founded as this product manufacture. The gas Detectors were used in a coal mine for safety use throughout the world.

Riken gas indicator model 3 has been distributed to Japanese life as an valuable instrument and approved as a heritage of analytical and scientific instruments by JAIMA and JSIA.

  • Features
  • Applications
  • Approvals
  • Specification
  • Accessories
  • Max 8 measuring gas range, available
  • Intermtttent measuring mode available
    (For pump suction type only)
  • Inqress proof rating IP67
    Suited for outdoor work.
  • Easy-to-read wide LCD display
  • Intrinsicetty safe (ATEX Presafe 14ATEX 5711)
    Explosion proof class Exia lie T4 Ga
  • 2 way of sampling method
    Pump suction type or Hand aspirating type

  • Fumigation / Pest control operation
  • Gas Purity measurement
  • Measurement of Anesthetic Gases
  • Measurement of Fuel calorie
  • SF6 Gas Purity Measurement
  • Explosion proof : TIIS / ATEX / IECEx
Model FI-8000
Measuring Principle Optical interferometric method
Measuring Gas Refer to the 3rd page
Indication Accuracy Within ±3% (at constant temperature)
Sampling Method Pump Suction type Hand-aspirating type
Self-Diagnosis Function Low battery,Low light, Low contrast,abnormal atmospheric pressure and abnormal temperature
Display LCD digital (7-segment value display + code + 20 segment word x 2 lines)
Each Display Measuring gas, gas concentration, measuring unit and battery capacity reminder
Power Source Alkaline battery pack (AA size battery x 3 pes) (standard) Or, Lithium ion battery(optional)
Ingress Proof Rating IP67 equivalent
Ambient Humidity & Temp Temperature: -20∼50°C, Humidity : Below 95%RH (Non-condensing)
Dimensions Approx. 154 (W) x127 (H) x81 (D) mm
Weight Approx. 1.1kg (including alkaline batteries)
Approx. 1.2kg (including lithium ion batteries)
Continuous Operation Above 12 hrs (for alkaline battery use)
Above 18 hrs (for lithium ion battery use)
(25°C with no back light on)
Above 16 hrs (for alkaline battery use)
Above 24 hrs (for lithium ion battery use)
(25°C with no back light on)
External Output IrDA (for data logging)
Function Data logging, atmospheric pressure correction, temp compensation

Indication accuracy subject to the measuring gas.

Standard Accessories
  • Gas Sampling Tube (1m)
  • Sholuder Strap
  • Hand-aspirator (For TYPE A only)
  • Absorption Tube
  • Tube Fix Belt
Optional Accessories
  • Lithium ion Battery Unit
  • AC Adaptor
  • Datalogging Software
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