Best Refrigeration Gauges in 2022 [*Top Picks*]

8098 Reviews Scanned

• Bestseller #1

  Yellow Jacket 49963 Manifold Only Degrees F, psi Scale, R-22/404A/410A Refrigerant, Red/Blue Gauges (74)

  Contoured easy-grip handles for positive control; color-coded for ready identification Sight glass to easily view refrigerant movement and condition during charging and recovery Optional protective gauge boots available Heavy duty hook won’t pull out

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• Bestseller #1

  Testo 550s Kit I App Operated Digital Manifold for HVAC and Refrigeration with 2 x Wired Temperature clamp Probes I High and Low Side Pressure Measurement, Superheat and subcooling – with Bluetooth (386)

  Efficient: Over 60 refrigerant profiles, precise pressure and temperature measurements, as well as superheat and subcooling calculation make the testo 550s the tool for every HVAC job Versatile: The tool can be combined with a number of air and surface probes that make measurements easier than ever - even in areas that are difficult to access for conventional devices Easy-to-use: Thanks to its simplified menu structure, backlit display, IP42 certified, rugged housing and 2-way valve block with 3 connections, the device is handy and user-friendly Clamp probes: The two wired temperature clamp probes included in the kit enable real time Evaporator and Condensor measurements, thus ensuring maximum efficiency Smart App: Take advantage of clearly visualized documentation from a smartphone or tablet. Remotely operate service and maintenance tasks and send results directly from the job site

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• Bestseller #1

  Yellow Jacket 42004 Series 41 Manifold with 3-1/8" Gauge, psi, R-22/404A/410A (8329)

  Ritchie Charging Manifold Assembly 484245 Yellow Jacket Item Package Dimension: 2.0" L x 2.0" W x 2.0" H Item Package Weight: 2.0 lb

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• Bestseller #1

  Digital Manifold Gauge Set HVAC Dual-Channel Temp Sensor HVAC Tools for 89 Kind of Refrigerant Digital AC Gauges Vacuum Pressure&Temp Test Digital HVAC Gauges with Hoses Digital Refrigeration Gauge (96)

  1.【Manifold Gauge Set for Refrigeration Equipment】The refrigeration gauges are dedicated to installing, testing, and maintaining refrigeration equipment such as air conditioners, refrigerators, and cold storage. The 2 temperature clamps in the manifold gauge set have strong corrosion resistance and tightness, and will not easily break. The refrigerant gauge is also equipped with 3 standard test hoses (1.5m) and a portable toolbox, which is convenient for the storage and carrying of the meter. 2.【Refrigeration Gauges for Double Pressure and Dual Temperature Measurement】The digital HVAC gauges can measure double pressure (gauge pressure) at the same time, as well as dual temperature measurement, with automatic multi-unit pressure conversion, automatic conversion of temperature Celsius / Fahrenheit, to facilitate different needs. Note: Please make sure that the temperature sensor clip is properly connected. A poor connection will result in an inaccurate reading of the value. 3.【HVAC Gauges with High-Precision Data Unit and Refrigerant Database】The HVAC manifold gauge built-in 32-bit digital processing unit and a high-precision data acquisition unit, high data and stability. The a/c manifold gauge set built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate the direct reading of operating process data. Also, it tests the percentage of vacuum measurement. 4.【Durable and Multifunctional HVAC Manifold Gauge Set】The HVAC tools are designed with high-strength engineering plastics and flexible non-slip silicone. The whole HVAC pressure gauge is solid and comfortable to hold. The exquisite design of the foldable hook ensures that the digital ac gauge is in a safe position during the measurement of air conditioning tools & equipment. Long-life valve switch, 1/4 inch standard interface design to ensure the durability and versatility of the instrument. 5.【HVAC Manifold Gauge Set for Pressure Leak Test】The HVAC pressure gauge calculates the pressure difference between the initial test pressure and the second test pressure to determine if the refrigerant is leaking. Pressure leak measurement, leak time and speed record. Using a digital manifold gauge set can make your job easier. 6.【Refrigerant Gauges with Visual Window and LCD Display】The charging status of refrigerant can be directly observed through the refrigeration gauges window, which makes the operation more convenient. 7.5CM×4CM display screen, support LCD backlight, convenient lighting operation, the displayed data is clearer and easier to read. 7.【Note】The digital HVAC gauges will read random numbers when it is powered on. Correct steps: 1. Turn on, then close the two valves, press the "ZERO" key to clear the reading. 2. Then connect the three-color hoses, then open the valve, and use it normally. Please make sure that the refrigerant hose is properly connected. Poor connection may cause refrigerant leakage. The maximum working pressure of the standard hose is 600 PSI ( 4.13 Mpa, 41.3 bar). The ultimate pressure is 3000 PSI. 8.【How to Detect Whether the Temperature is Accurate】There is a simple method: take out the black wire of the temperature clamp, and then put the temperature clamp into boiling water. If the displayed temperature is 100 ℃ ± 3%, it is normal.

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• Bestseller #1

  Yellow Jacket 42006 Series 41 Manifold with 3-1/8" Gauge, psi, R-22/134A/404A (386)

  Color-coded scales Sliding double “O” ring pistons reduce wear Long life nylon seats Item Package Dimension: 2.0" L x 2.0" W x 2.0" H

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• Bestseller #1

  Orion Motor Tech 4 Way AC Gauge Set, AC Manifold Gauge Set for R410a R22 R134a Refrigerant, 4 Valve Automotive AC Gauges with 5ft Hoses, R410a Adapters, Can Tap (4300)

  COMPLETE GAUGE SET: This professional automotive AC tool kit includes a 4-way gauge, 4 color-coded hoses, 2 adjustable 1/4'' quick couplers, a 1/2'' to 1/4'' adapter, a 1/4'' to 5/16'' tank adapter, 5/16'' to 1/4'' angled and straight adapters, and a puncture-style can tap; enjoy hassle-free setup and easy operation as you nip your HVAC problems in the bud DESIGNED GAUGES: The 2.6" high and low pressure gauges combine the best features of dry and liquid-filled designs, with an oil-filled core resisting shock and a dry dial providing better winter performance; the sight glass diagnosis monitors your coolant’s condition in real time; and calibration screws and superior design provide ±1.6% accuracy COLOR-CODED HOSES: Blue for low, red for high, yellow for charging, and black for evacuation, these durable PVC hoses have 4 reinforced layers to work with daily pressure up to 800 psi (burst pressure: 4000 psi) WIDE APPLICATION: This car AC gauge set works with R134a, R22, and R410a refrigerants; ideal for both DIY and professional HVAC maintenance, it allows you to measure your system's pressure, evacuate and refill coolant, and more; a heavy-duty foam-lined carrying case comes included for easy storage and transport between jobs SATISFACTION GUARANTEED: Order this AC manifold gauge kit with your peace of mind assured thanks to OMT’s strong 1-year warranty and usual friendly 24/7 customer service; order at no risk and start enjoying better air conditioning today!

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• Bestseller #1

  Testo - 0563 2557 557 I Digital Manifold Kit for air conditioning, refrigeration systems and heat pumps I 4-valve HVAC gauge with Bluetooth and set of 4 hoses (628)

  Efficient: The testo 557 is ideal for servicing air conditioners, refrigeration systems and heat pumps and replaces the multitude of tools needed by HVAC/R contractors and technicians Versatile: Accurately measure high and low pressure, evaporation and condensation temperature and take advantage of the automatic calculation of superheating and subcooling Convenient: Thanks to the 4-way valve and automatic heat pump mode, there is no need to switch over to different refrigerant hoses, which enables a quick and easy application Set: Includes two pipe clamp temperature probes, one external pirani probe for vacuum measurement and a set of four hoses, as well as a protective hard-shell case Refrigeration App: Follow all measurements remotely via Bluetooth from a smartphone or tablet. Send results directly from the job site for a more convenient documentation

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• Bestseller #1

  Mastercool 59161 Brass R410A, R22, R404A 2-Way Manifold Gauge Set with 3-1/8 Inch Gauges, 3-60 Inch Hoses and Standard 1/4 Inch Fittings (386)

  100% U.S. designed, assembled and tested HEAVY DUTY FORGED BRASS BODY gives life-long durability and endurance FREE FLOATING PISTON TYPE VALVES allow for less friction and internal wear and tear extending the life of the internal o-rings GRADE 5 LEVEL HIGH PRESSURE HOSES with ¼” SAE standard fittings using the highest technology rubber materials giving the hoses the most flexibility and reducing the risk of kinking 3 1/8” SILICONE DAMPENED GAUGES smooth out needle movement while the color coding of R410a, R22 and R404A provides immediate refrigerant recognition

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• Bestseller #1

  testo Smart Probe Kit I HVAC/R Test and Load Set for air Conditioning, Refrigeration and Heating System I Includes testo 115i, 549i and 605i – with Bluetooth (386)

  Efficient: The testo smart probe set offers precise measurements and calculations for heating and cooling systems, making it ideal for all HVAC/R contractors and technicians Testo 605i: The thermohygrometer is equipped with a bendable probe head and thus achieves remote temperature measurements in rooms, ducts, crawl spaces and registers Testo 115i: With a grip of up to 1.5”, the wireless thermometer provides quick and reliable temperature and flow and return temperature measurements of pipes Testo 549i: The pressure meter enables accurate readings for high and low pressure. The 45-degree connector simplifies servicing and troubleshooting – without the need for hoses Smart App: The free testo Smart Probes App is a powerful tool that allows you to remotely read and log measurements and create custom reports which can be saved and shared

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• Bestseller #1

  testo Smart Probe Kit I HVAC/R Gauge Set for air Conditioning, Refrigeration and Heating System I Includes testo 115i and 549i – with Bluetooth (31)

  Efficient: The testo smart probe set offers precise measurements and calculations for heating and cooling systems, making it ideal for all HVAC/R contractors and technicians Complete Set: Includes two testo 115i pipe-clamp thermometers and two testo 549i high pressure gauges, as well as a protective hard-shell case with precise-fit compartments Testo 115i: With a grip of up to 1.5”, the wireless thermometer provides quick and reliable temperature and flow and return temperature measurements in pipes Testo 549i: The pressure meter enables accurate readings for high and low pressure. The 45-degree connector simplifies servicing and troubleshooting – without the need for hoses Smart App: The free testo Smart Probes App is a powerful tool that allows you to remotely read and log measurements and create custom reports which can be saved and shared

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