1. Pressure& temperature unit: PSI/Kpa ,°F/°C;
Refrig scales& gauge diameter: R410A.R22, R-407C/68mm/2.5"
2. Pressure& temperature unit: PSI/Kpa ,°F/°C;
Refrig scales& gauge diameter: R-134A,R22, R-404A,68mm/25"
3. Pressure& temperature unit: PSI/Kpa ,°F/°C;
Refrig scales& gauge diameter: R-12, R22, R502,68mm/2.5"