| 规格和标准 |
使用防 炸的氧气浓度计 易于使用。 Target gas: Oxygen Response time: Within 20 seconds Alarm setting value: 1st stage: 19.5 vol%, 2nd stage: 18.0 vol% Alarm method: buzzer, red lamp flashing, LCD display, vibration Detection principle: diaphragm galvanic battery operated Collective accuracy (in measurement range): ±0.5 vol% (符合JIS T 8201) 测量范围(服务范围):0至25.0 vol%(25.1至50.0 vol%) 标准配件:1 AA碱性电池 显示方法:LCD Digital(Manual Backlight)
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