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| 规格和标准 |
Subject gas: methane 0 to 100%LEL, oxygen 0 to 25 vol%, hydrogen sulfide 0 to 30 ppm, carbon monoxide 0 to 150 ppm, ammonia 0 to 400 ppm Depth (mm): 54 Height (mm): 201 Width (mm): 70 Gases to be detected: methane, oxygen, carbon monoxide, hydrogen sulfide, ammonia 1 digit: (methane) 1%LEL (oxygen) 0.1 vol% (carbon monoxide) 1 ppm (hydrogen sulfide) 0.1 ppm (ammonia) 0.5 ppm Alarm setting value: (methane) 1st 10%LEL/2nd 50%LEL (oxygen) 1st 19.5 vol%/2nd 18.0 vol% (carbon monoxide) 1st 25ppm/2nd 50ppm/TWA 25ppm/STEL 200ppm (Hydrogen Sulfide) 1st 1.0ppm/2nd 10.0ppm/TWA 1.0ppm/5.0ppm (Ammonia) 1st 25.0ppm/2nd 50.0ppm/TWA 25.0ppm/STEL 35.0ppm Gas alarm: 2-stage alarm, TWA, STEL, OVER alarm Fault alarm: System abnormality, sensor abnormality, battery voltage drop, calibration faulty, flow drop Other: Panic alarm/man-down alarm Alarm display: |
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| 材料 |
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| 质量/质量单位 |
450g |
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-20至 +50°C(无突然变化),90%或更少(无凝结) |
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| 和配件 |
干电池单元和3个AA碱性电池 |
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日本 |
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| 小盒子计数 | 1个单位 |
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| 标准 |
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