Digital Gauges
Product details:
"Dynamic Off-set" bar graph clearly shows modulation of control valves
2.Auto zero key eliminates manual recalibration
3.Includes vacuum readings at low side
4.Easy to read LCD screen with 4 large digits
5.LCD holds all the time with low battery indicator to preserve battery life:
6.Upgradeable for new and additional refrigerants
7.Splash resistant and wide temperature range for indoor & outdoor use; case resistant to typical oils, acids and sun exposure.