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Monitor the concentration of Hydrogen sulfide from sapropel or decay of
organic matter generated at sewer, human-waste treatment plant, pulp
mill or waste disposal centers and protect workers from hydrogen sulfide poisoning.
Monitor the concentration of Oxygen at the same time and prevent casualty caused from a lack of oxygen in advance.
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Model
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MMP-12
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Measuring Gas
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Oxygen
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Hydrogen sulphide
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Measuring Principle
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Galvanic cell
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Chronoamperometry
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Measuring Range
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0 - 50.0 vol%
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0 - 50ppm
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Resolution
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0.1vol%
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0.1ppm
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Accuracy
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Within ±0.5vol% O2 at 0-25.0vol%/Within ±3.0vol% O2 at 25.1vol% or more
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Within ±1.5ppm at 0 - 30ppm/Within ±3ppm of indicated value at 30.1ppm or more
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Display Method
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Digital liquid crystal
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Alarm Setting
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Below 18.0vol%
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AL1：10ppm, AL2：30ppm
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Alarm Method
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LED lamp, LCD display and buzzer
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Response Time
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Within 15 seconds at 90% response
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Power Source
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3 size D alkaline batteries
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Continuous Operation
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Up to 800 hours with alkaline batteries
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Operating Temperature Range
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Temperature : -10 - 40℃
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Dimensions
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106(W)×56(H)×29(D)mm
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Weight
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180g (including dry batteries and sensors)
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Standard Accessories
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Leather case
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