贪玩娱乐棋牌老版本2018免费下载

产品规格︰ ◆ RS485 Bus structure
◆ Optional signal output of 4-20mA
◆ Option of stainless-steel housing
◆ ATEX approval (pending)

产品优点︰ ◆ Detection principle: Catalytic gas sensor and electrochemical gas sensor
◆ Range: 0-1000 PPM for CO or H2S? 0-100% LEL for combustible gas
◆ Response time: <30s
◆ Working condition: Temperature: -40℃～70℃ Humidity: ≤95%RH
◆ Power supply: DC24V±25%
◆ Signal output: RS485 or 4-20mA
◆ Consumption: 2W
◆ Cable: 1.5 mm2×4 cable with shielding
◆ Transmit distance: ≤1000m
◆ Weight: ≤1000g
◆ Dimension: L×W×H mm:160×180×60
◆ Pressure: 86kPa～106kPa