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差压变送器

差压变送器

差压变送器是测量变送器两端压力之差的变送器,输出标准信号(如 4~20mA、0~5V)。差压变送器与一般的压力变送器不同的是它们均有2个压力接口, 差压变送器一般分为正压端和负压端,一般情况下, 差压变送器正压端的压力应大于负压段压力才能测量。中文名差压变送器外文名Differential pressure transmitter1特点 差压变送器用于测量液体、气体和蒸汽的液位、密度和压力,然后将其转变成4- 20mA DC的电流信号输出。JT-3051DP也可以通过BRAIN手操器或CENTUM CS/μXL或HART 275手操器相互通讯,通过它们进行设定和监控

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适用于洁净室内墙面嵌入式安装和设备配套测量微差压
?量程:-100~+100Pa(可指定为0~25Pa,0~50Pa到0~100Pa)
?在线自动校准,且无需断电或拔除软管
?输出信号:4~20mA,电源24Vac/Vdc(3/4线式)
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▲单向量程:0~0.1至0~10.0in.W.C.
▲双向量程:±0.05至±5.0in.W.C.
▲适用于空气或非导电气体
应用
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●洁净室
●隔离室
●关键位置压力监测
●暖通空调(HVAC)
●能源管理系统
●变风系统和风机控制(VAV)
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●多种结构形式
●采用全隔离电路技术设计,对供电电源和传感器信号进行隔离处理,大大提高了整机
的稳定性和抗干扰能力
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