KOMYO RIKAGAKU KOGYO K.K. PRODUCT INFORMATION(Multi-Gas Monitor:For prevention of oxygen deficiency & explosion, explosion-proof, suction type:MD-620E)
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Portable Gas Monitors
Multi-Gas Monitor
For prevention of oxygen deficiency & explosion, suction type
* MD-620E
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  • 2-gas monitor, O2 and Combustible gases
  • Delivers gas alarm and/or any trouble with loud sound(above 90dB/10cm)
  • Large LCD display for easy reading
  • Powerful suction pump, fast reponse time
■SPECIFICATIONS
 
Model

MD-620E

Measuring Gas Combustible gases in the air Oxygen in the air
Measuring Principle Catalytic combustion Galvanic cell
Sampling method Suction type  Approx.0.6L/min (at room temperature with 5m gas sampling hose)
Measuring Range 0 - 100%LEL 0.0 - 50.0%
Resolution 1%LEL 0.1%
Indication accuracy Within ±10%LEL 0.0 - 25.0 % : ±0.5%
Above 25.1% : ±3.0%
Alarm accuracy Within ±10%LEL ±0.5vol% against alarm setting value 18.0vol%
Alarm concentration Factory default settings
AL1 : 20%LEL
AL2 : 0%LEL(alarm clear)
Factory default settings
AL1 : 18.0%
AL2 : 0.0%(alarm clear)
Display Digital liquid crystal
Alarm Method LED lamp, LCD display and buzzer
Response Time Within 25 seconds at 90% response from sampling gas inlet at 20°C Within 15 seconds at 90% response from sampling gas inlet at 20°C
Pressure range 80 - 110 kPa
Power Supply 3 x size AA Alkaline dry batteries(LR6)
Continuous Operating time Approx. 8 hours, no alarm
Explosion proof ExiadII CT4X
Operating Temperature Range -10-40°C; below 95%RH (non-condensing)
Main body dimensions 78(W) x 200(H) x 50(D)mm
Main body weight Approx. 550g (including batteries)
Standard accessories Gas sampling hose with float type gas collector(5m, polyurethane), leather case, carrying case
Optional accessories Gas sampling hose with float type gas collector(10m, 20m, 30m, polyurethane)
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