Features: Experience precise digital readings with the dy519 digital air conditioning charging gauge, designing for accurate refrigeration charging and refrigeration maintenance with high precise digital display. Featuring a double gauge design, this tool provide simultaneous high and low pressure readings, along with builtin temperature compensation for enhances measurement accuracy. For automotive repair technicians, hvac professional, and DIYer enthusiasts seek reliable and multifunctional pressure gauge equipment for air conditioning systems. Crafted from metal and plastic materials, this gauge is equipped with a convenient hook for easy transport and storage, making it a essential tool for efficient and effective air conditioning servicing. The instrument test pressure ranges from -101Kpa to 6000kpa(-1.01bar to 60bar);The service pressure of the standard instrument connecting pipe is lower than 600PSI (about 4.13Mpa,41.3bar), and the pressure limit is 3000PSI (about 2 0 .68Mpa, 206.8bar) Specifications: Component:Metal+Plastic Size:Approx.87x170x50mm/3.43x6.69x1.97inch Color:Green Pressure test: gauge pressure Pressure test ranges: 0Kpa-6000Kpa Pressure test resolution: 1 Kpa Vacuum degree test: relative vacuum degree Vacuum test ranges:-101Kpa-0Kpa. Resolution of vacuum test: 1Kpa Package Includes: 1 Set Digital Pressure Gauge note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.