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Dual Channel Design for Simultaneous 4-20 mA Output Signals
657系列变送器提供两个4-20mA通道,为相对湿度和温度产生单独的输出信号。这些设备提供±2%的湿度精度和±1°F的温度测量。不锈钢探头可以很容易地安装到大多数管道系统使用以下两个可选套件之一。
应用及案例
? Cleanroom monitoring
? HVAC/building control monitoring
产品特色
? Polymer film humidity and thin film RTD temperature sensors offer highly reliable and stable measurements
? Remote mount housing offers installation flexibility (657-1)
? Rugged die-cast aluminum housing is great for industrial applications (657C-1)