I set it to 0 and let it sit for a few minutes and it reads 20psi or -8, that's not true. I used them on my truck and kept adding freon but the pressure kept dropping, luckily I had my old counterpart and used this one instead. I hoped they would work, but they didn't.
VIVOHOME 220LB HVAC Electronic Digital Refrigerant Charging Weight Scale β High Precision with Protective Case
9 Review
πͺ Enhanced Universal R134A Valve Core Remover/Installer by Mastercool (81290)
9 Review
π¨ 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
Xiaomi Mi x Mijia Wiha Precision Screwdriver Set (DZN4000CN), 25 pcs
34 Review
Xiaomi Mijia Ratchet Screwdriver 16 in 1 Screwdriver with Interchangeable Bits, 10 pcs, Black
22 Review
Rechargeable screwdriver OA-3,6F (433.0.2.00), 3.6 V, 1.3 Ah Li-ion, blister
46 Review
Bit and socket set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
46 Review