Testo 557s Measure Set

The digital manometer stand testo 557s with 4-way valve block allows fast measurements on cooling units, air conditioners and heat pumps. The large display also helps you analyze the results in graphic form. Finished program functions guide you through the measurement and enable automatic calculation of many important system parameters such as overheating, pressure drop testing or emptying. Thanks to the Bluetooth vacuum sensor testo 552i included in the measuring set, testo 557 can - as the first manometer stand ever - used for wireless vacuum measurement. Bluetooth sensors for temperature, pressure and humidity can be easily connected directly to the instrument and offer maximum flexibility. In combination with the testo Smart app, you can handle the digital documentation directly at the measurement site. In addition, you always have the current refrigerants available and can set your favorites and transfer them to the instrument. The proven quality and high durability guarantee that your manometer stand always delivers high performance, in all circumstances.