测控技术可以保证空调和通风技术的效率： testo 6321变送器具有长期的稳定性，高效且值得信赖，帮助您监控空调，通风和洁净室技术的进程。

testo 6351差压变送器，可计算风速，精度±0.8%测量值，自校零功能，50-200hPa可选量程，可选信号输出，可选显示屏，可输出压力相关单位和风量单位

testo 6381压差变送器具有同时计算体积流量和流速的优势。配备温湿度探头后，这款变送器也可以进行温度和湿度测量。

testo 6383变送器，采用平板式设计，因此非常适用于洁净室，这款变送器同时具有湿度和温度的监控功能（选配探头）。

Targeted monitoring of your compressed air consumption: Carry out compressed air measurements with the testo 6451 compressed air meter to locate leaks and enable allocation based on consumption. This will enable you to create greater transparency when it comes to your compressed air consumption and reduce costs. Particularly practical: the compressed air meter is easy to install.

Targeted monitoring of your compressed air consumption: Carry out compressed air measurements with the testo 6452 compressed air meter to locate leaks and enable allocation based on consumption. This will enable you to create greater transparency when it comes to your compressed air consumption and reduce costs. Particularly practical: the compressed air meter is easy to install.

Targeted monitoring of your compressed air consumption: Carry out compressed air measurements with the testo 6453 compressed air meter to locate leaks and enable allocation based on consumption. This will enable you to create greater transparency when it comes to your compressed air consumption and reduce costs. Particularly practical: the compressed air meter is easy to install.

Targeted monitoring of your compressed air consumption: Carry out compressed air measurements with the testo 6454 compressed air meter to locate leaks and enable allocation based on consumption. This will enable you to create greater transparency when it comes to your compressed air consumption and reduce costs. Particularly practical: the compressed air meter is easy to install.

Targeted monitoring of your compressed air consumption: Carry out compressed air measurements with the testo 6456 compressed air meter to locate leaks and enable allocation based on consumption. This will enable you to create greater transparency when it comes to your compressed air consumption and reduce costs. Particularly practical: For large-diameter pipes (DN65-250).

Targeted monitoring of your compressed air consumption: Carry out compressed air measurements with the testo 6457 compressed air meter to locate leaks and enable allocation based on consumption. This will enable you to create greater transparency when it comes to your compressed air consumption and reduce costs. Particularly practical: For large-diameter pipes (DN65-250).

testo 6651温湿度变送器，用于环境测量，精度&plusmn;1.7%RH（取决于探头），可选信号输出种类，可选自带显示器，以太网模块，继电器，2路模拟信号输出。

电源（桌面式）110 - 240VAC/24 VDC (350 mA)。

Mains unit (desktop instrument)

电源 (台式) 

易于操作， 难以超越

电源 (台式)

电源 (台式)

易于操作，难以超越