Digital HVAC Vacuum, Vacuum Pressure Tester, Ball Valve Design with HD Glass Viewing Window, Ideal for AC Refrigeration System Maintenance and Installation

1. NIST Compliant Freezing Medium Database: Equipped with a built in database of pressure and temperature correlations for 90 refrigerants in accordance with US national institute of standards and technology (NIST) standards, this digital AC provides accurate freezing medium temperature readings from pressure measurements, enhancing efficiency in freezing system maintenance and installation. 2. Advanced Digital Circuitry And Sensors: Utilizing state of the art digital electronics and Machined pressure sensors, the HVAC vacuum accurately measures freezing medium pressures and vacuum pressure. This ensures accurate diagnostics and maintenance of AC and refrigeration systems for optimal performance. 3. Accurate Ball Valve Design: Featuring a ball valve design and Machined pressure sensors, the HVAC pressure allows for accurate freezing medium charging, ensuring dependable and precise measurements. Its reliability makes it an essential tool in HVAC system maintenance. 4. Sturdy And Rugged: This HVAC vacuum tester is made of excellent ABS and aluminum alloy material, which is sturdy and rugged, not easy to be damaged, and has a long service life. 5. HD Viewing Window: The digital vacuum pressure includes a HD glass viewing window, making it easy to monitoring freezing medium move. This feature allows users to quickly and easily assess system conditions and make informed judgments during diagnostics and servicing. Specification: Item Type: Digital HVAC Material: ABS, Aluminum Alloy Working Mode: Freezing medium measurement mode, vacuum measurement mode, leakage measurement mode can measure vacuum percentage. Pressure Unit: KPa, Bar, PSI, InHg, KgF/cm² Temperature Unit: ℃, ℉ Pressure Measurement Range: 0KPa-6000KPa, Resolution: 1KPa Sensor Accuracy: ±0.5% Overload Limit: 10MPa Operating Temperature Range: -20℃-60℃ Auto Shutdown: 10min (Can be set to start or stop, default start.) Battery: 9V 6F22 Battery x 1 (Not Included) How to Use: 1. Follow the manipulation guide or the guidance of a professional. 2. Keep the digital display clean and the screen bright and clear to ensure easy visibility of pressure, temperature, and other numerical values. Regularly clean the display Cover and copper joints with a cleaner or soapy water. 3. Pressure gauges are vulnerable components and should be periodically calibrated by the metrology department to ensure accuracy. 4. Handle with care to prevent impact and falling. 5. After use, turn the knob to the OFF position to prolong the valve core's lifespan. 6. When not in use, it is recommended to seal the joints of the pressure interface to prevent foreign objects from entering. Regularly blow and replace the freezing medium pipe, and clean the valve body of dust and impurities. packing list: 1 x Digital HVAC

• [Nist Certified Accuracy] This digital hvac is equipped with a built-in database of pressure and temperature correlations for 90 refrigerants complying with us national institute of standards and technology (nist) standards. it provides precise freezing medium temperature readings from pressure measurements ensuring optimal efficiency in hvac system maintenance and installation.
• [High Measurement] Utilizing advanced digital electronics and pressure sensors this hvac vacuum delivers exact measurements of freezing medium pressures and vacuum pressure. it guarantees reliable diagnostics and maintenance for ac and refrigeration systems to achieve performance.
• [Durable Construction] Crafted from premium abs and aluminum alloy materials this hvac vacuum tester is built to last. its sturdy and rugged design resists damage ensuring long term reliability and durability in demanding work environments.
• [Hd Glass Viewing Window] The digital vacuum pressure includes a high definition glass viewing window allowing for clear monitoring of freezing medium movement. this feature enables quick and informed assessments of system conditions during diagnostics and servicing.
• [Ball Valve Design] Featuring a robust ball valve design and top-tier pressure sensors this hvac pressure ensures accurate freezing medium charging. its dependable and precise measurements make it an indispensable tool handling hvac system maintenance.