| 规格和标准 |
Target gas: Oxygen Depth (mm): 53 Height (mm): 150 Width (mm): 69 JIS T8201: 2010 Oxygen meter for measuring oxygen deficiency Compliant Detection principle: Diaphragm galvanic battery power Display range (%): 0 to 40.0 Resolution (%): 0.1 Instruction accuracy (under the same conditions): within ±0.7% (below 25.0%) Alarm setting value: WARNING 18.0%, ALARM 18.0%, OVER 40.0% Gas alarm: 2-stage alarm, over-alarm Fault alarm: sensor connection/break, battery drop, faulty calibration, system abnormality Alarm method: Self-hold Alarm operation: Lamp flashes, buzzer intensity and weak sound, gas concentration value flashes, vibration Lamp flashes, buzzer continuous pulse sound,故障内容显示显示:7段LCD MENTO气体浓度显示 +气名 +状态信息显示 操作压力范围:大气压(80-110kpa) 电源:2 AA碱性电池 连续使用时间:大约20,000小时(大约20,000小时) (20℃±2℃) 炸防止:本质上安全的防 结构(防 式级别:Ex ia iic iic T4 GA) 各种功能:LCD手动背光(自动时,请在警报时),峰值值显示 显示
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