| 规格和标准 |
Target gas: Oxygen Depth (mm): 35.5 Height (mm): 120 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 display and backlight on (orange) Buzzer/2nd: Concentration display and backlight on (red) Buzzer Gas alarm operation: Self-hold Gas alarm contact: Voltage-free contacts 1a 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: DC30V, 1A Transmission specifications: DC4 to 20mA (non-insulated, load resistance 300Ω or less) Power supply: DC24V ±10% Power消费:DC规格: 大3W 操作压力范围:大气压(80kPa至105kpa) 结构:壁挂式类型,集成传感器
|