Digital HVAC Manifold Gauge Set Refrigeration AC Vacuum Pressure Tester Probes

This 522A ball valve type intelligent electronic refrigerant meter, the high and low pressure valve adopts V-shaped opening design, which can accurately control the opening or closing of the valve, with good flow adjustment function, convenient operation, accurate test and longer service life. 
The instrument has the functions of pressure test, temperature test, refrigerant filling, vacuuming, pressure leak test and built-in NIST standard database of 93 kinds of refrigerants. 

EXCELLENT MATERIALS:The sturdy case has an IP54 rating, and the flexible non-slip silicone design is comfortable to hold.

High-definition display: LED LCD large screen, which can be observed from multiple angles, and the data display is clear and intuitive.

Multi-unit switching: automatic conversion of pressure multi-unit, automatic conversion of temperature Celsius / Fahrenheit.

Energy saving and environmental protection: The meter has a micro power consumption design, and the battery life is longer.

Design with V-shaped Valve Switch
The valve can be easily controlled,thus saving time from complicated knob operation.The amount of refilling refrigerant is easier to control than the refrigerant gauge using ordinary knob valves, which is convenient to operate and more durable.		3.5-inch Backlit LED Display
The 3.5-inch backlit LED display can support dark environments and night operations. Each test result is divided by lines in the display, and the data is more intuitive and clear at a glance.		Refrigant Subcooling and Superheating Temperature Test
The degree of supercooling/superheating is automatically read.The greater the degree of superheating, the less refrigerant is filling,the lower the degree of subcooling can improve the cooling capacity of the system.
Temparature test range:-40-150℃(-40-302F).
Condensing Pressure & Temp.Test
The minimum pressure when the refrigerant changes from gas to liquid, and the maximum temperature when the gas changes to liquid.		Pressure Leakage Test
Calculate the pressure difference between the initial test pressure and the second test pressure to determine if the refrigerant is leaking.		High/Low Pressure Temp.Test
The temperature of the refrigerant in the high / low pressure pipelines of the air conditioning system.

Specifications
Pressure test: gauge pressure 
Pressure test unit: Kpa; Mpa; bar; inHg; PSI. 
Pressure test range: 0 Kpa – 6000 Kpa 
Pressure test resolution: 1 Kpa 
Pressure test accuracy: +/- 0.5 %(FS)+ 5dgt 
Pressure overload limit: 10000 Kpa (10 Mpa; 100 bar;) 

Vacuum test: relative vacuum 
Vacuum test unit: Kpa; Mpa; bar; inHg; PSI. 
Vacuum test range: -101 Kpa – 0 Kpa 
Vacuum test resolution: 1 Kpa T
Temperature test unit: °C (Celsius), °F (Fahrenheit) 
Temperature test range: -40°C–150°C (-40°F–302°F) 
Temperature test resolution: 0.1°C (-40°C–99.9°C), 1°C (100°C–150°C) 0.1°F (-40°F–99.9°F), 1°F (100°F–302°F) 
Temperature test accuracy: +/- 0.5 °C + 2dgt  +/- 0.9 °F + 2dg

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1. Item will be shipped out within 5 working days (except weekends and holidays) after the payment is cleared or received.
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3.International Buyers Please Note: 1)Please check with your country customs office to determine what these additional costs will be prior to bidding / buying.   2)Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility.
Item may be returned for refund or replacement within 30 days of the purchase date. Returned merchandise must be unused, in original packaging and include all accessories. Shipping costs are non-refundable.
Defective products may be returned for repair up to 1-3 year from the purchase date.The warranty period varies depending on the product. Repairs will be processed through the manufacturer, we will assist in the repair procedure in any way we can to expedite the process.
Before any return, a Return Merchandise Authorization (RMA) must be obtained by contacting the seller. Any products returned to us without an RMA will be sent back to the buyer at his/her expense. 
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