KOMYO RIKAGAKU KOGYO K.K. PRODUCT INFORMATION(Multi-Gas Monitor:For prevention of oxygen deficiency & H2S poisoning, explosion-proof, suction type:MD-612E)
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Portable Gas Monitors
Multi-Gas Monitor
For prevention of oxygen deficiency & H2S poisoning, suction type
* MD-612E
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  • 2-gas monitor, O2 and H2S
  • 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-612E

Measuring Gas Hydrogen sulphide in the air Oxygen in the air
Measuring Principle Chronoamperometry Galvanic cell
Sampling method Suction type Approx.0.6L/min (at room temperature with 5m gas sampling hose)
Measuring Range 0.0 - 50.0ppm 0.0 - 50.0%
Resolution 0.1ppm 0.1%
Detectable accuracy Below 30.0ppm : ±1.5ppm
Above 30.1ppm : ±3.0ppm
0.0 - 25.0 % : ±0.5%
Above 25.1% : ±3.0%
Alarm accuracy Below 30.0ppm : ±1.5ppm
Above 30.1ppm : ±3.0ppm
±0.5vol% against alarm setting value 18.0vol%
Alarm concentration Factory default settings
AL1 : 10.0ppm
AL2 : 30.0ppm(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. 16 hours, no alarm
Explosion proof ExiaII CT4X
Operating Temperature Range -10-40°C; 30-85%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, fluorine-contained), leather case, carrying case
Optional accessories Gas sampling hose with float type gas collector(10m, 20m, 30m, fluorine-contained), Calibration Gas Set for H2S
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