Testo 0638 1557 External Vacuum Probe for Testo 557 Motor Start Inch and centimeter measurement scales

Inch and centimeter measurement scales are molded into the body

21 mm Joint Width: 1

Double dipped Klein Kurve® comfort grips

INSPECT & LOCATE

Voltage tester automatically selects voltage or continuity

Testo 0638 1557 External Vacuum Probe for Testo 557 Motor Start Inch and centimeter measurement scalesTesto 0638 1557 External Vacuum Probe for Testo 557 Designed to provide faster and more reliable evacuation measurements from 0 to 20,000 microns Features a secure connection, and is suitable for use on all refrigeration systems and heat pumps SPECIFICATIONS Measuring Range: 0 to 20000 micron Accuracy: (10 micron + 10 % of mv) (100 to 1000 micron) Resolution: 1 micron (0 to 1000 micron) 10 micron (1000 to 2000 micron) 100 micron (2000 to 5000 micron)