规格和标准 |
目标气体:氧气 深度(mm):35.5 高度(mm):120 检测范围:0-25 vol% 宽度(mm):80 检测原理:diaphragm palvanic电池供电 - 元电池 - 浓度 - 浓度 绿色 Display resolution (vol%): 0.1 Detection method: Diffusion type Alarm setting value: 1st19 vol% ( 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 of detection of 10 to 11vol% gas in the oxygen deficiency alarm (18vol%L alarm) Accuracy of alarm setting value: The difference between the alarm setting value and the concentration indicated value when the alarm is issued is 0 Gas alarm type: 2-stage 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: Automatic recovery Contact capacity: AC125V, 1A Transmission specifications: DC4 to 20mA (non-insulated, load resistance below 300Ω) Cable between detection部分:远程专用电缆(20M) 电源:AC100V±10%,50/60Hz 电力消耗:AC规格:最大5VA 操作压力范围:大气压(80kPa至105kpa)
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