Micron gauge displays can be electronic analog, digital, or ____________________.

After repairing a system that has had an electrical motor failure (compressor burnout), it is good field practice to re-use the recovered refrigerant in that system.

There are ____________________ microns in 1 mm Hg.

When installing any type of access fitting onto a sealed system;

A hydrostatic tube test kit will;

Recovery equipment used during maintenance service, or repair of small appliances must be certified by an EPA approved lab if manufactured after;

When using nitrogen in repairing a sealed refrigeraation system, the nitrogen gtank should always be equipped with a;

Small appliance recovery equipment manufactured after Nov 15, 1993 must be certified to be capable of;

Charged low pressure refrigeration machines may be most efficiently leak checked by:

A pressure of 100 microns has been reached with the vacuum pump operating. The pump is turned off and the gauge reading rises above 5,000 microns and keeps rising. What does this indicate?