Digital Pressure Gauge WK688H Professional HVAC Refrigerant Tester with Vacuum Measurement 82 Refrigerant Database for Air Conditioning Systems Mechanical Equipment

Features:1. The refrigerant meter and the vacuum gauge are switched to each other, which is convenient to use.2. Built-in database of 82 refrigerant pressures and corresponding temperatures.3. Can measure vacuum pressure and indicate the degree of vacuum as a percentage4. With battery low voltage prompt, the battery life is 30 hours5. Suitable for WK-6881H, 6881L, 6882, 6884 Specification: Item Type: Digital Pressure GaugeMeasuring Pressure Unit: Kpa. Bar. Psi. Torr. Kg F/cm2 InHg. MmHgMeasured Temperature Unit: ℉/℃Measuring Range: Vacuum: -101Ka-0kpa, Pressing: 0Kpa-6Mpa, Refrigerant: -101Kpa-4KpaMinimum Value: 1KpaSensor Accuracy: ±0.5%Overload Limit: 100Bar, 10MpaUsing Range: -20℃-60℃Interface: 1/8in NPTBattery: 9V Battery(not included) Package List:1 x Digital Pressure Gauge

• [DUAL FUNCTION REFRIGERANT/VACUUM GAUGE] This advanced digital pressure gauge combines refrigerant pressure measurement and vacuum testing in one professional tool. The smart switching function allows immediate transition between modes, streamlining your HVAC diagnostic process while maintaining ±0.5% sensor accuracy across all measurements.
• [EXTENSIVE REFRIGERANT DATABASE] Access critical data instantly with the built-in database containing pressure-temperature values for 82 different refrigerants. This comprehensive reference system eliminates manual calculations, helping technicians work more efficiently on various refrigeration and air conditioning systems with reliable data.
• [PRECISION VACUUM PERCENTAGE DISPLAY] Unlike conventional gauges, the WK688H clearly displays vacuum levels as easy-to-read percentages along with numerical values. This innovative feature provides visualization of evacuation progress from-101Kpa to 4Kpa range, ensuring proper system preparation before charging.
• [INTELLIGENT BATTERY MANAGEMENT] Engineered for professional use, this digital gauge features a 30-hour continuous operation time on a single 9V battery (not included) with clear low-voltage warnings. The power-efficient design prevents unexpected shutdowns during crucial measurements in the field.
• [BROAD COMPATIBILITY & DURABLE CONSTRUCTION] Designed for heavy-duty use, this gauge works seamlessly with WK-6881H, 6881L, 6882, and 6884 systems. Its rugged housing withstands job site conditions while maintaining accuracy across a wide-20℃ to 60℃ operating range for reliable performance in any HVAC.