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External vacuum probe - for testo 557

0638 1557
1
External vacuum probe for use with the testo 557 digital manifold (0563 1557).
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.

Vacuum

Measuring range
0 to 20000 micron
Accuracy
± (10 micron + 10 % of mv) (100 to 1000 micron)
Resolution
5000 micron (10000 to 20000 micron)
10 micron (1000 to 2000 micron)
500 micron (5000 to 10000 micron)
1 micron (0 to 1000 micron)
100 micron (2000 to 5000 micron)