| 规格和标准 |
Target gas: Oxygen Depth (mm): 35.5 Height (mm): 120 Accessory sensor code: Yes Cord length (m): 3 Detection range: 0-25 vol% Width (mm): 80 Detection principle: Diaphragm galvanic battery-operated Concentration display: LCD digital display (3位数字,7个片段/橙色,2个红色) *在正常条件下没有背光显示分辨率(VOL%):0.1 检测方法:扩散类型的警报设置值:1st 19vol%(L)/2nd 18Vol%(LL)(LL)(LL)[标准设置值] [标准设置值] 在同一条件下(在同一条件下)0.7频率(在0.7范围内):90%±0.7频率(在±0.7)中(在±0.7)中: seconds Alarm delay time (under the same conditions): Within 5 seconds after detecting 10 to 11 vol% gas in an oxygen deficiency alarm (18 vol%L alarm) Alarm setting value accuracy: The difference between the alarm setting value and the concentration indicated value when the alarm is issued is 0 Gas alarm type: 2 Step alarm (L-LL) Gas alarm display: 1st: concentration indicator and backlight on (orange) Buzzer/2nd: concentration indicator and backlight on (red) Buzzer Gas alarm operation: Self-hold Gas alarm contact: 1a voltage-free contact each, always de-energized (excited at alarm) Fault alarm/self-diagnosis: System abnormality/sensor connection abnormality Fault alarm display: Content display and backlight flashing (red) Buzzer Fault alarm operation: Automatically restored Contact capacity: None Transmission specifications: DC0-1V (无保养的)电源:2个AA电池书籍 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:大气压力(80kpa至105kpa)
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