Digital gauges are used to measure system pressure and thanks to lithium batteries don't need separate power supply.
They can measure on 6 different scales and they're available either for positive or negative
pressure (for vacuum purposes).
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.