Supco VG-60 Hand Held Vacuum Indicator Gauge With Case – Tested
With a gauge purpose specifically for vacuum testing, this model from Supco provides accurate readings in micron units.
testo Smart Probe Kit I HVAC/R Gauge Set for air Conditioning, Refrigeration
2 x testo 549i high-pressure gauges operated via smartphone, including batteries and certificate of conformity. Automatic calculation of evaporation and condensation temperatures.