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±0.20%CH4 ±0.10%CH4 ±0.01%CH4 ±0.05%CH4
0.01%CH4 0.20%CH4 0.30%CH4 0.05%CH4
≥1.0%CH4;≥1.0%CH44;<1.0%CH4 ≥1.5%CH4;≥1.5%CH44;<1.0%CH4 ≥1.0%CH4;≥1.5%CH44;<1.0%CH4 ≥1.5%CH4;≥1.0%CH44;<1.0%CH4
±0.20%CH4 ±0.10%CH4 真值的±10%CH4 真值的±20%CH4
≥1.0%CH4;≥1.0%CH4; ≥1.5%CH4;≥1.5%CH4; ≥1.0%CH4;≥1.5%CH4; ≥1.5%CH4;≥1.0%CH4;
2.00%~3.00%CH4 3.00%~5.00%CH4 1.00%~2.00%CH4 2.00%~4.00%CH4
CH3CI CH2CI2 CHCI3 CCI4 CCI3
0.2%CH4 0.4%CH4 0.3%CH4 0.01%CH4
CH3Cl CH2Cl2 CHCl3 CCl4 CCl3
±0.1%CH4 ±0.2%CH4 0.1%CH4 0.2%CH4
0.04%CH4,0.4%CH4 0.1%CH4,0.4%CH4 0.02%CH4,0.4%CH4 0.1%CH4,0.5%CH4
报警浓度≥1.0%CH4 断电浓度≥1.0%CH4 断电浓度≥1.5%CH4 复电浓度<1.0%CH4
0.1%CH4,0.1%CH4 0.1%CH4,0.4%CH4 0.01%CH4,0.1%CH4 0.01%CH4,0.01%CH4
0.10%~4.00%CH4 0.20%~4.00%CH4 0.00~4.00%CH4 0.00~5.00%CH4
≥0.5%CH4,≥0.5%CH4,<0.5%CH4 ≥1.5%CH4,≥1.5%CH4,<1.5%CH4 ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
断电浓度≥1.5%CH4 报警浓度≥1.0%CH4 断电浓度≥1.0%CH4 复电浓度<1.0%CH4 断电范围是掘进巷道内全部电气设备
0.0t%CH4 0.02%CH4 0.05%CH4 0.03%CH4