Testo 557 External Vacuum Probe Temperature and a robust transport case

and a robust transport case

The Testo 830T1 has the option for the user to set the emissivity prior to measurements been carried out

Monitoring temperature and humidity with WiFi data logger Testo 160 TH

For calibration

illuminated digital display

Testo 557 External Vacuum Probe Temperature and a robust transport caseThis external vacuum probe for the Testo 557 is designed to provide faster and more reliable evacuation measurements from 0 to 20,000 microns. This external vacuum probe features a secure connection and is suitable for use on all refrigeration systems and heat pumps. External vacuum probe for use with the Testo 557 digital manifold (0563 1557).