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    External Vacuum Probe for Testo 557

    0638 1557

    Vacuum measurement

    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)