| 规格和标准 |
Target gas: Oxygen Depth (mm): 35.5 Height (mm): 120 Detection range: 0-25 vol% Width (mm): 80 Detection principle: Diaphragm galvanic battery-operated Concentration display: LCD digital display (3 digits, 7 segments/orange, 2 colors red) *No backlight under normal conditions Display resolution (vol%): 0.1 Detection method: Diffusion type Alarm setting value: 1st19vol%(L)/2nd18vol%(LL) [Standard setting value] Instruction accuracy (under the same condition): within ±0.7vol% Response time (under the same condition): 90% response within 30 seconds Alarm delay time (under the same condition): Within 5 seconds after detecting 10 to 11vol% gas in the oxygen deficiency alarm (18vol%L alarm) Alarm setting value: The alarm setting value and the concentration indicated value when the alarm is issued Difference is 0 Gas alarm type: 2-stage alarm (L-LL) Gas alarm display: 1st: Concentration display and backlight on (orange)・Buzzer/2nd: Concentration display and backlight on (red)・Buzzer Gas alarm operation: Self-hold Gas alarm contact: 1a for no-voltage contacts, always de-energized (excited at alarm) Fault alarm/self-diagnosis: System abnormality/sensor connection abnormality Fault alarm display: Content display and buzzer backlight flashing (red) and buzzer Fault alarm operation: Automatically restored Contact capacity: None Transmission specifications: DC0-1V(非绝缘)电源:2 AA电池电池规格连续使用时间:大约1年(25℃,没有警报,没有照明,使用AA碱性电池时)操作压力范围:大气压(80kPa至105kpa)结构:结构:墙壁安装,集成传感器 >>>>>>>>>>>>>>>>
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