LARGE DISPLAY: Continual digital readout of evacuation process can be viewed easily on the large, full-view LCD screen.
WIDE MEASUREMENT RANGE& HIGH ACCURACY: Used to test system leak and discern vacuum pump quality of the evacuation in an HVAC and refrigeration system; accurate measurements from 19, 000 Microns (atmosphere) to 0 Micron.
Accuracy: ±10% or ±10 Micron
NOTICE: There is an oil proof film inside the head of the product, which may cause a delayed numerical display when directly connected to the vacuum pump. We suggest to remove the oil film when connecting the vacuum pump and reinstall it when connecting the system.