VG-760 is a digital vacuum gauge for obtaining accurate vacuum measurements during filling refrigerants. It features a professional vacuum sensor to precisely test vacuum. The evacuation of an HVAC and refrigeration system is to evacuate the air and moisture in the system, which, if mixed with refrigerants, may produce an acidic chemical reaction, causing damages to the system in long term. Generally, a system vacuum should be below 700 microns so that the moisture in the system can be effectively reduced. The best vacuum is 300 micron. Common refrigerants cannot meet this requirement. VG-760 is used to test system leak and discern vacuum pump quality.
*The larger a system is, the more stable the reading will be.
If there’s a leak in the system, the reading will increase immediately because of high resolution.
Measuring Range: 0-19000 micron
Operating Temperature: 0℉~140℉(-178°C~60°C)
Fitting: 1/4” Male Flare
Auto Off Time: 15 min
Product Size: 5”*3”*1.5”(127x74x37 mm)
Power Supply: 3 AA batteries, Battery Life: 300 hours
Max Overpressure: 27.5 bar
Accuracy: ±10% or ±10 Micron
Resolution:0-400 1 Micron; 400-3000 10 Micron; 3000-10000 100 Micron; 10000-19000 250 Micron