Riken Keiki
Portable Gas Monitor RX-515 series

Application

• MODEL RX-515 : LNG carrier application
  CH4/O2/CO/CO2
• MODEL RX-516 : Crude oil tanker application
  HC/O2/H2S
• MODEL RX-517 : Crude oil tanker application
  HC/O2/H2S (Low range)
  HC/O2/H2S (High range)

• Automatic range switching from high concentration HC/CH4 (VOL%) to low concentration (%LEL)
• Simultaneous measurement of multiple gas
• Adoption of the infrared sensor ensures high accuracy even in inert gas environments
• Highly secured intrinsically safe explosion-proof structure in dangerous locations/sites
• Data-logger function attached
• 30m sampling hose for convenient measurement inside tanks/hold

Gases Detected

• HC, CH4, O2, CO, CO2, H2S

Application

• Prevents LNG and LPG explosions in reception bases and tankers

• Able to measure from high vol% to low vol% concentration
• Explosion proof (Detector: Explosion proof, Other electrical circuits and pump: Intrinsically safe design)
• Combination HC/O2 or CH4/O2 in N2 inert gas or air with a reliable NDIR detector

Gases Detected

• HC/O2 or CH4/O2

Riken Keiki
Portable Gas Monitor RI-415

Application

• LP manufacture / storage / consumption
• Prevents LNG and LPG explosions in reception bases and tankers

• Able to measure from high vol% to low vol% concentration
• Explosion proof (Detector: Explosion proof, Other electrical circuits and pump: Intrinsically safe design)
• Available to measure HC or CH4 in N2 inert gas, or air with a reliable NDIR detector

Gases Detected

• HC or CH4

Application

• Leak checker for equipment using CO2

• Microprocessor controlled
• Internal sample-drawing pump
• LCD display with back light
• Compact and lightweight
• Audible and visual alarms
• Instant peak and average values
• Recorder output signal (0-1 V linear)

Gases Detected

• CO2 in air

Riken Keiki
Transportable Gas Monitor RI-557

Application

• For research and experimentation
• Carbon dioxide monitoring in brewery

• Non distributed infrared ray system
• Lamp & buzzer warnings

Gases Detected

• CO, CO2 and CH4