德图TESTO温湿度变送器6621
testo 6621温湿度变送器，精度±2%RH，有挂壁式和管道式，可选信号输出种类，可选自带显示器，带校准与设置接口，2路模拟信号输出
产品优势:
Transmitter with 2 analog outputs (temperature/humidity)
High-precision Testo humidity sensor with long-term stability
Adjustment without disassembling the transmitter
P2A software for parameterization, adjustment and analysis
