Holds vacuum, allows separate micrometer probe on 3rd port which can be overridden to measure micrometers in circuit without pump/vacuum line measurement. Works great, no complaints.
VIVOHOME 220LB HVAC Electronic Digital Refrigerant Charging Weight Scale โ High Precision with Protective Case
9 Review
๐ช Enhanced Universal R134A Valve Core Remover/Installer by Mastercool (81290)
9 Review
๐จ Robinair (15115) VacuMaster Single Stage Vacuum Pump - For Efficient Single-Stage Vacuuming, Delivers 1.5 CFM
9 Review
Robust Robinair (RG3) Portable Refrigerant Recovery Machine, 115V, 60Hz -Efficiently Recovers Liquid and Vapor Refrigerant
9 Review