当消防前室或楼梯间的通风压力或压差超过设定值（前室25~30Pa，楼梯间40-50Pa）时，前室微压差压力传感器生产厂，Working principle of itive pressure air supply pressure sensor: under normal circumstances， the itive pressure air supply fan pressurizes the air supply into the air shaft through the air duct (Green Arrow Direction) ， the compressed air is then sent to the front room or stairwell of each floor through the shutters or the air valve. When the ventilation pressure or pressure difference in the fire chamber or Stairwell exceeds the set value (25 ~ 30 PA in the Front Chamber and 40-50 PA in the stairwell) ，前室微压差压力传感器， the pressure sensor located on each floor immediately sends a signal to the by-pass pressure relief valve control box， the by-pass Pressure Relief Valve control box opens the by-pass pressure relief valve according to the pressure
压力传感器控制箱前室微压差压力传感器
通用型压差控制器广泛应用于前室（合用前室）压差测控系统、封闭避难层、防烟楼梯间压差测控系统；室内外压差检测、过滤网堵塞监控系统等干燥气体的压差测控系统。
特点：
◆带一个绿色巡检指示灯，一个红色报警指示灯；◆直接输出开关控制信号；◆供电及信号输出采用总线制传输；
产品参数：
量 程：0～100Pa 控制器寿命: 10万次
耐 压：1000Pa 电气等级: 24 VDC/0.3A
动作压力： 切 换 率: 大6次/分钟
前室/走道：25～30Pa，(复位压力：15～20Pa)； 外形尺寸：
The whole pure of the residual pressure monitoring system is to keep the residual pressure in the standard range of the stairwell and the front room，前室微压差压力传感器厂家， to prevent the harmful smoke from entering， to ensure the normal opening of the fire door， and to ensure the unblocked life passage. Also known as residual pressure measurement and control system， pressure difference measurement and control system， or intelligent residual pressure monitoring system， is a high-rise buildings in the itive pressure air supply system to adjust the fire chamber or stairwell residual pressure value of a set of systematic devices.
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