Testo 0638 1557 External Vacuum Probe for Testo 557 Motor Start 21 mm Joint Width: 1

21 mm Joint Width: 1

sharp blades

Inch and centimeter measurement scales are molded into the body

Use with 2000 RPM+ rated drills/drivers for best results

INSPECT & LOCATE

Testo 0638 1557 External Vacuum Probe for Testo 557 Motor Start 21 mm Joint Width: 1Testo 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)