Testo 557 External Vacuum Probe

This 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).

Accessories

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