Digital HVAC Gauges, 4 Units HVAC Vacuum Tester Digital Refrigerating Fluid Pressure Tester for Air Conditioning Fluoridation

Specification: Item Type: Digital HVAC Gauges Pressure Range: 0-5MPa Battery: 1 x 9V 6F22 battery(not included) Pressure Unit: MPa, kPa, psi, kgf/cm2 Temperature Unit: ℃, ℉ Refrigerating Fluid Types: R22, R32, R407C, R134a, R507, R404A, R410A, R600a, R1234yf How to Use: Clear Zero: When the digital pressure gauges shows a non zero value in atmospheric pressure state, press and hold 'P=0' for a longer time to clear the displayed value. Auto Shutdown: The device will automatically shut down after 30 minutes of operating each time it is turned on. Over Pressure Alarm: When the pressure exceeds 125% of the maximum range, the display will show '----'. Package List: 1 x Pressure Gauges

• Ergonomic Handwheel: Ergonomically designed handwheel ensures comfortable grip and effortless operation.
• Smart Safety Features: Equipped with automatic timed shutdown and overpressure alarm functions. Combined with high-precision pressure sensors, it ensures stable and reliable measurements.
• Multi-Functional Application: Suitable for the entire installation and maintenance process of air conditioning systems. It accurately measures system pressure and temperature, playing a critical role in vacuum extraction, refrigerant charging, and recovery operations.
• Energy-saving Design: Utilizes ultra-low-power microcontroller technology to effectively reduce power consumption and extend device operational lifespan.
• Rapid Operation: Ball valve structure enables swift valve opening/closing, simplifying procedures and boosting work efficiency.