Vacuum Gauges

testo 552 Vacuum Gauge with Bluetooth®

Key Features: Measurement data monitoring via testo Smart Probes App Measurement data dispatch via testo Smart Probes App Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display Measures pressure and calculates the


testo 557 Digital Refrigeration Gauge with Vacuum probe

Key Features 60 Built in refrigerants External vacuum probe for faster and more reliable evacuation of the system 4-way valve block with 1/4 in. and 3/8 in. ports On-site Reporting/ Monitoring Via Testo Refrigeration App