AUTOOL HVAC/R Pressure & Temp Tester Review – Pros & Cons – AUTOOL

The AUTOOL Refrigeration Digital Manifold Gauge Meter is an indispensable tool, a veritable Swiss Army knife for the HVAC/R professional, meticulously engineered to be the heart of any diagnostic and maintenance operation. This all-in-one kit, a master of its domain, flawlessly combines the functions of pressure, vacuum, and temperature testing into a single, cohesive unit. With its vibrant digital display, a window into the system’s soul, technicians can effortlessly monitor real-time data, ensuring unparalleled accuracy and efficiency. This AUTOOL HVAC/R Pressure & Temp Tester, furthermore, comes equipped with a versatile test clip and a durable pipe, providing all the necessary appendages to connect and interact with a vast array of air-conditioning and refrigeration systems, thereby streamlining the diagnostic process and ultimately saving precious time and effort. Its robust construction and user-friendly interface are designed to withstand the rigors of daily use, so that every task, from the simplest pressure check to the most complex system analysis, is executed with absolute confidence.

Beyond its technical prowess, this AUTOOL HVAC/R Pressure & Temp Tester serves as a trusted compass in the intricate labyrinth of HVAC/R systems, guiding technicians through a maze of pressures and temperatures. It acts as a vigilant guardian, constantly providing critical feedback that helps to identify leaks, diagnose faulty components, and optimize system performance. The inclusion of a dedicated vacuum pressure tester, moreover, is like having a microscope for the deepest corners of the system, enabling technicians to achieve the perfect vacuum, which is essential for preventing moisture contamination and ensuring the longevity of the refrigerant. Consequently, the meticulous data it provides allows for a truly holistic approach to maintenance, preventing small issues from escalating into costly repairs. Therefore, this kit is not just a tool; it’s an investment in precision, a commitment to quality, and a testament to the technician’s dedication to their craft, and it will undoubtedly become an irreplaceable asset in their professional toolkit.

Ultimately, the AUTOOL Refrigeration Digital Manifold Gauge Meter transcends the boundaries of a simple instrument; it becomes an extension of the technician’s hands and mind, a silent partner in the pursuit of perfection. The integrated temperature testing capability, facilitated by the accompanying test clip, functions as a sensitive thermometer, revealing the subtle thermal nuances of a system’s operation. Thus, it allows for a comprehensive assessment of thermodynamic cycles, ensuring that both cooling and heating are performing at their peak efficiency. This AUTOOL HVAC/R Pressure & Temp Tester kit, furthermore, stands as a beacon of modern technology, blending cutting-edge digital precision with rugged, practical design, and consequently, it revolutionizes the way HVAC/R professionals approach their work. It simplifies complex processes and illuminates hidden problems, serving not merely as a gauge but as an all-seeing eye, bringing clarity and control to the often-chaotic world of refrigeration and air conditioning. In conclusion, it is a testament to the power of thoughtful engineering, and it is poised to become the new standard for the industry.

FEATURES:
– Digital pressure & temperature display
– Measures both vacuum and pressure
– Includes test clip and pipes
– Tests HVAC and refrigeration systems
– Built-in 82 refrigerant parameters
– Auto power-off feature
– Durable and anti-collision design
– Large, clear LCD screen
– Can be used for multiple purposes
– High-precision pressure sensor

The AUTOOL Digital Manifold Gauge is a versatile tool for HVAC and refrigeration technicians. It features a large, clear LCD screen that displays both pressure and temperature, and it can also measure vacuum. This durable, anti-collision device comes with test clips and pipes and has 82 built-in refrigerant parameters. It’s designed for testing and maintaining air-conditioner and refrigerator systems. To conserve power, it includes an auto power-off feature. The high-precision pressure sensor ensures accurate readings for various applications.

PROS:
– Easy to use
– Decent for the cost
– Temperature sensors are good
– Carrying case is of good quality
– Meter seems well built
– Hoses did not leak
– Works great
– Great value for the money
– Easy to read
– Accurate

CONS:
– Need analog gauges to verify
– No temperature sensor calibration
– Vacuum function lacks microns
– Temperature clamps break easily
– Pressure reading can be way off
– Hose fittings may be stripped
– Not for everyday professional use
– Hoses are cheap

The AUTOOL Digital Manifold Gauge Kit is a solid, budget-friendly option for DIYers and those needing a reliable HVAC tool for occasional use. Its meter is well-built and easy to read, offering accurate pressure and temperature readings, though some users suggest verifying with analog gauges. The kit includes good temperature sensors and non-leaking hoses, all housed in a good quality carrying case. However, it’s important to note the lack of temperature sensor calibration and the vacuum function’s inability to measure in microns. Some parts, like the temperature clamps, are prone to breaking, and the included hoses are considered cheap. Additionally, some users have reported issues with pressure readings being off or stripped hose fittings, making it not suitable for everyday professional use. Read more…

AUTOOL Digital Manifold Gauge Set for Leakage Testing

AUTOOL Digital Manifold Gauge Set for Leakage Testing

The image shows an AUTOOL Digital Manifold Gauge connected to a car’s air conditioning system under the hood. The gauge is performing a pressure leakage test. The display screen of the gauge shows a time of 00:03. It shows an initial pressure reading of 1077 kPa and a second pressure reading of 1076 kPa. The test is designed to determine if there is a refrigerant leak. The gauge’s screen shows a small pressure difference of 1 kPa. This indicates a very small or no leak, as the pressure has barely dropped after three minutes.



Digital Manifold Gauge for HVAC Testing

Digital Manifold Gauge for HVAC Testing

The image shows a digital manifold gauge, the AUTOOL Refrigeration Digital Manifold Gauge. It is being used to test an air-conditioning system. The display shows various readings. The readings include temperature in Celsius, and pressure in kPa. The gauge has connections for hoses. The connections are color-coded red and blue. The device is part of a kit for testing and maintaining air conditioners.


Automotive A/C System Test

Automotive A/C System Test

This image shows a digital manifold gauge being used to test an automotive air conditioning system. The gauge has two sensors, T1 and T2, which measure the temperature of the refrigerant in the high and low-pressure pipelines. The T1 sensor reading is 37.5°C. The T2 sensor reading is 36.2°C. The central display shows the pressure readings in kPa, with 364 kPa for the low-pressure side and 1304 kPa for the high-pressure side. The tool is used to diagnose the A/C system.


AUTOOL Digital Manifold Gauge Set

AUTOOL Digital Manifold Gauge Set

This image shows the AUTOOL digital manifold gauge set. It’s used for HVAC/R systems. The main unit has a large digital display. It shows readings for pressure and temperature. The image also shows the accessories. These include three different colored hoses. There are also two pairs of green clamps. The product packaging is also visible.


Digital Refrigerant Gauge and Observation Window

Digital Refrigerant Gauge and Observation Window

The image shows a digital manifold gauge, the AUTOOL HVAC/R Pressure & Temp Tester. It is designed to test refrigeration and HVAC systems. The gauge displays various readings. The refrigerant type can be set. It shows the pressure and temperature. A viewable window is present. This window lets a technician observe the refrigerant’s filling status. The product is used for automotive air conditioning maintenance.


AUTOOL Digital Refrigeration Manifold Gauge

AUTOOL Digital Refrigeration Manifold Gauge

The image shows the AUTOOL digital refrigeration manifold gauge. The device has a clear digital display. It shows temperature and pressure readings for two sensors, T1 and T2. The display is easy to read. It helps with air conditioning systems. The gauge has blue, yellow, and red hose ports. The controls are clearly labeled.


AUTOOL DM12A Digital Manifold Gauge Set

AUTOOL DM12A Digital Manifold Gauge Set

This image shows the AUTOOL DM12A Digital Manifold Gauge Set, a professional tool used for maintaining and servicing refrigeration and air conditioning systems. The main unit features a large LCD display that shows pressure and temperature readings. It has various buttons for different functions, like selecting refrigerant types and zeroing the readings. Below the screen, there are valves and inlets for connecting refrigerant hoses. The image also includes a side view of the device, highlighting its compact size and clamp-on temperature probe socket.


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Best Autool Hvac R Pressure Temp Tester Deals

AUTOOL Manometer Gas Pressure Tester,Digital Manometer HVAC,10 Units Differential Dual Port Pressure Gauge -100 to 200Kpa,Data Zeroing with Backlight LCD Display

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Key Features

  • ✅ 【Measuring Range】-100 to 200 kPa / -14.5 to 29 psi , Accuracy: ±0.3% FS. INCLUDES: PT520 Differential digital manometer, 1m of 1/8-Inch inside diameter silicone tubing, 4 x AAA batteries, 7 Connectors, and instructions
  • ✅ 【10 UNITS MEASURED】Easily toggle between inH2O, mbar, psi, kPa, hPa, inHg, mmHg, kg/cm2, mmH20, and Torr.
  • ✅ 【Data Lock & Record & Zeroing】The Digital Pressure Gauge has data storage function, it can store 29 sets of data in time. The Differential Pressure Meter also has a data lock key to lock the value and interface for easy reading. Press and hold the zero key for 5 seconds for atmospheric pressure calibration.
  • ✅ 【LCD Backlight Display】Large Backlit LCD and Top Illumination provides easy viewing in low light conditions. The manometer will automatically shut off after 10 minutes of no pressure, no operation.
  • ✅ 【Three Years Warranty】For any quality problems. If PT520 has any defect, we will provide new replacement or solutions for our customers until satisfaction without delay, and provides lifetime technical support. For any needs, you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours.

Product Details

Brand:AUTOOL
Model:PT520
Dimensions:6.5 X 2.9 X 1.3 inches

Refrigeration Digital Manifold Gauge Meter HVAC Vacuum Pressure Temperature Tester Kit with Test Clip and Pipe for Testing Maintaining Air-Conditioner, Refrigerator

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Key Features

  • ✅ 【Widely Applicable】The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners,fridge and cold storage.
  • ✅ 【Multiple Test Modes】AUTOOL LM120+ Refrigerant Manifold Gauge can measure dual pressure (high and low pressure), and dual temperature measurement (high and low pressure pipeline temperature, need to connect test clamps), measure the percentage of vacuum degree; it has the functions of pressure leakage measurement, leakage time and speed recording, pressure multi- unit conversion, temperature Celsius / Fahrenheit Conversion, etc., to meet the different needs of users.
  • ✅ 【Intelligent Digital Display】The AUTOOL LM120+ Refrigerant Manifold Gauge adopts large-size LCD liquid crystal display, which is supported by LCD backlight, and the data display is clear and easy to read. Users can complete the operation through the buttons on the operation panel throughout the process. The display is rich in content, and the operation process and data are clear at a glance, which significantly improves the maintenance efficiency.
  • ✅ 【Built-in Database】The AUTOOL LM120+ Auto Digital Refrigerant Manifold Gauge has a built-in 32-bit digital processing unit and a high-precision data acquisition unit, with high data stability; At the same time, there are 89 kinds of refrigerant pressure and evaporation temperature databases built-in, which can calculate the supercooling and superheating temperature, and it is convenient to directly read the operation process data.
  • ✅ 【Industrial-Grade Design】It is equipped with durable valve switch and 1/4 inch standard interface design to ensure the durability and versatility of the gauge.

Product Details

Brand:AUTOOL
Model:LM 120
Dimensions:0.0082677 X 0.0047244 X 0.00255905 inches
Warranty:3 Years Warranty

AUTOOL Manometer Gas Pressure Tester, Digital Manometer HVAC, 6 Units Differential Dual Port Pressure Gauge -101 to 200Kpa, Data Zeroing with Backlight LCD Display

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Key Features

  • ✅ 【Measuring Range】-101 to 200 kPa / -14.6 to 29 psi , Accuracy: ±0.5% FS. INCLUDES: PT503 Digital Manometer, 1m of 1/8-Inch inside diameter silicone tubing, 2 x AAA batteries, 7 Connectors, and instructions. Switch freely between the 6 measurement units psi, kPa, mbar, bar, inHg, mmHg.
  • ✅ 【Atmospheric pressure calibration】Power on and auto zero for atmospheric pressure calibration. Note: It can not be turned on under pressure, otherwise it will lead to inaccurate measurement results.
  • ✅ 【Hold Data】The manometer is designed with data lock function, which can lock the value and interface for easy reading.
  • ✅ 【LCD Backlight Display】Large Backlit LCD provides easy viewing in low light conditions. The manometer will automatically shut off after 5 minutes of no pressure, no operation.
  • ✅ 【Three Years Warranty】For any quality problems. If PT503 has any defect, we will provide new replacement or solutions for our customers until satisfaction without delay, and provides lifetime technical support. For any needs, you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours.

Product Details

Brand:AUTOOL
Model:PT503
Dimensions:2.755905509 X 2.5590551155 X 4.330708657 Inches

BELEY Digital Manifold HVAC Gauge Set,93 Refrigerants Dual Pressure&Temp Test with Temperature Clips and Hoses Vacuum AC Gauges for R1234YF R134A R404A R410A R32 R744(CO₂)

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Key Features

  • ✅ 【MUST HAVE】- The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners, fridge and cold storage. HVAC System Gauge Set has double pressure test, dual temperature test, digital readout, multi-unit switching, multi-mode function and built-in refrigerant database.
  • ✅ 【SUPER CONVENIENT TOOL】- The instrument can measure double 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.
  • ✅ 【WHAT YOU CAN GET MORE】- Built-in 93 kinds of refrigerant pressure-evaporation temperature database, which contains: R134A R290 R404A R407C R410A R507A R744(Co2) R32 R-1234yf ( Mainstream Refrigerant)(excluding R454B refrigerant) also calculate the subcooling superheat, to facilitate direct reading of operating process data. Also it tests percentage of vacuum measurement, pressure leak measurement, leak time speed record. It is deserved to have this multi-functional, accurate and simply operated digital manifold let you do the job right.
  • ✅ 【PREMIUM DESIGN】- Large-size liquid crystal display, LCD backlight support, data display clear and easy to read, convenient light operation. Long-life valve switches, 1/4-inch standard interface design to ensure that the instrument's durability and versatility.
  • ✅ 【HIGH-PRECISION & WARRANTY】- The instrument uses high-strength engineering plastic and flexible non-slip silicone design. The whole machine is solid and comfortable to hold. Built-in 32-bit digital processing unit and high-precision data acquisition unit, high data and stability. We provide 30day money-back and 24month warranty ensure high-quality after-sales service.

Product Details

Brand:BELEY
Model:002
Size:Tolerance range: -/+0.3%
Dimensions:0.0082677 X 0.0047244 X 0.00255905 inches
Warranty:2 Year Manufacturer

AUTOOL PT503 Mini Differential Pressure Gauge, Manometer Gas Pressure Tester with Dual Port Manometer, HVAC Gas & Air Pressure Tester, -101 to 200 kPa Range,6 Units, Digital Manometer with Data Lock

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Key Features

  • ✅ [6 Units Switch & Versatile Applications] The PT503 mini manometer delivers ultimate convenience with instant switching between 6 common pressure units—PSI, inHg, kPa, mbar, bar, and mmHg—at the touch of a button. No more manual conversions, no guesswork. This versatile, compact tool is engineered for fast, accurate automotive diagnostics, letting you confidently test intake, brake, exhaust, and crankshaft systems. From quick checks to detailed diagnostics, the PT503 digital manometer handles all your repair and testing needs in one reliable, portable device.
  • ✅ [High-Precision Dual-Port Differential Measurements] Differential Pressure Gauge is equipped with a high-accuracy sensor with ±0.5%FS and 0.1kPa resolution, this dual-port manometer accurately captures both positive and negative pressure differentials across a wide range of -100kPa to 200kPa.
  • ✅ [Data Lock Function for Reliable Readings] Features a convenient data lock function that freezes the displayed reading with a single tap, preventing measurement errors caused by accidental changes or environmental factors, ensuring reliable data recording.
  • ✅ [User-Friendly Portable Pressure Gauge] Designed for the professional on the go, the PT503 pressure tester combines a compact form factor with intuitive one-touch operation, making field testing and mobile diagnostics effortless. Its large 1.8-inch display ensures crystal-clear visibility of positive, negative, and differential pressure readings—even in glaring sunlight or dimly lit environments. Built for reliability and ease of use, this handheld gauge empowers you to perform accurate measurements anywhere, anytime.
  • ✅ [Long-Term Support & Customer Service] AUTOOL provides long-term product support and responsive customer service to help ensure a reliable user experience. Package includes: 1 × PT503 Digital Pressure Gauge, 1 × User Manual.

Product Details

Brand:AUTOOL
Dimensions:5.511811018 X 2.755905509 X 2.5590551155 inches
Warranty:3 Year Warranty Service

HVAC Digital Manifold Gauge Set for 92 Refrigerant Digital HVAC Gauges Pressure&Temp Test R134A R410A R404A R22 Refrigerant Gauges with Hoses, Upgraded Ball Valve,for Air Conditioning & Refrigeration

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Key Features

  • ✅ 【Suitable for All Refrigeration Equipment & Detects 92 Refrigerants & Data Partition 3.5" LCD Display】HVAC gauges can test automobile air conditioning, household air conditioning, refrigeration equipment, cold storage and other refrigeration equipment. Digital manifold gauge set built in 92 refrigerant pressure and temperature database so that can detect 92 kinds of refrigerants. Test data is divided into areas on the 3.5-inch large backlit LCD display, so that you can read the data at a glance.
  • ✅ 【Upgraded V-shaped Valve Switch】Compared with refrigerant gauge hvac using ordinary knob valve,our digital refrigerant gauges adopt upgraded V-shaped valves, which are full-bore ball valves, with low fluid resistance, and control the refrigerant filling amount more accurately.You only need to turn 90° to easily open or close the valve and save operating time.V-shaped valve has two sealing surfaces using advanced material,which is resistant to corrosion and wear, and can achieve complete sealing.
  • ✅ 【Evaporation/Condensation Pressure and Temp. Test & Pressure Leakage Test】HVAC manifold can perform refrigeration system pressure and temp test to determine refrigeration capacity. The lower the evaporation/condensation pressure and temperature, the higher the efficiency of the refrigeration cycle and the greater the refrigeration capacity. HVAC gauges calculates the pressure difference between the initial test pressure and the second test pressure to determine whether refrigerant is leaking.
  • ✅ 【Overheat/Subcooling Test&High/Low Pressure Temp. Test&Vacuum Operation】When temperature clamps connect to AC pipe,it will read superheat and supercooling automatically.The higher the superheat, the smaller the expansion valve opening (less refrigerant) can be determined.Refrigerant temp. in the high/low pressure pipes can also be tested. HVAC gauges can be connected to a vacuum pump for vacuum operation, which makes the refrigerant filled with higher purity, the better the refrigeration effect.
  • ✅ 【Multiple Unit&32-bit Digital Processing Unit&Observation Window&Non-slip Silicone Design】HVAC manifold supports multiple pressure&temperature unit switches, such as kPa,MPa,bar,InHg,PSI,Celsius/Fahrenheit.Built-in 32-bit digital processing unit, more stable data processing.Viewing window allows you to observe refrigerant charging state directly.Silicone non-slip design prevents slip and fall. Digital manifold gauge set comes with temperature clips and refrigerant hoses(burst pressure:3000 PSI)

Product Details

Brand:KAISAL
Model:DE26
Size:Upgraded HVAC Gauge Set
Dimensions:5.7 X 1.97 X 9.45 inches

Manometer, Professional Air Pressure Meter, Dual-Port HVAC Digital Manometer Gas Pressure Tester,12 Selectable Units Differential Pressure Gauge, (Included Battery)

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Key Features

  • ✅ Digital Manometer can the air pressure of the single pipe or differential pressure of two pipes measure handheld manometers temperature and pressure,it is suitable for measuring of ventilation and air condition systems, gas pressure system troubleshooting, laboratory testing, maintenance and installation of blowers, clean rooms, boilers and other gas appliances
  • ✅ High Quality & Large LCD Backlight Display And Prevent Eyes weariness The Handheld HVAC Manometer is made of ABS material, and the excellent performance of high-temperature resistance and impact resistance makes the air pressure meter have a long service life. 4.45CM×4.95CM display, support LCD backlight, convenient lighting operation, display data clearer and easier to read.
  • ✅ Repeatability: ±0.2% (MAX±0.5%FSO) Linearity / Hysteresis: ±0.29%FSO , Measuring Range: ±20.68 kPa / ±2.999 psi , Accuracy: ±0.3% FSO (at 25 OC)
  • ✅ Response Time: 0.5Seconds, Over Range Indicator;Err 0 , Under Range Indicator Err1 Temperature; -40 to 80 c (-40- 176F) Operating Conditions; 0 to 50 C (32 to 122F)
  • ✅ Storage Function & Reminder Function The Digital Pressure Gauge with Backlight has storage function, it can store data in time, support data retention and DIF mode, and can record data easily.In addition, it also has low battery reminder function, which can promptly warn when the battery is low, allowing you to grasp the charging time.

Product Details

Brand:Leaton
Model:QX-1201
Size:0.4&0.4inch
Dimensions:6.299212592 X 3.149606296 X 1.181102361 inches

EHDIS Manometer, Professional Air Pressure Meter, Dual-Port HVAC Digital Manometers Gas Pressure Tester Differential Gauge

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Key Features

  • ✅ This digital handheld manometers can measure the air pressure of the single pipe, or differential pressure of two pipes.it is suitable for measuring of ventilation and air condition systems,and widely use forgas measurement,calibration,and any trouble shooting of any gas pressure systems.
  • ✅ Ultra-low-power sensing & measurement with 32-bit MCU and 24-bit ADC make the measurement of air press faster and more accurately.Perfect for working on tankless heaters,Very handy to set gas pressures on electric valves,Using for service testing of gas pressure on domestic boilers, Measures Air Flow about your bathroom fan ect.
  • ✅ Selectable pressure range: ±2.999psi; Accuracy: ±0.3%FSO (at 25°C) ; Repeatability: ±0.2% (Max ±0.5%FSO); Linearity/Hysteresis: ±0.29%FSO.
  • ✅ 12 Selectable Units of Measure (kPa, Psi, Kgfcm2, Ozin2, Bar, mbar, inHg, mmHg, InH2O, FtH2O, cmH2O, Pa) with function: Data Hold and Error Code - Response Time: 0.5 Sec.
  • ✅ Ehdis digital manometer has Dual Input that can test / measure the differential gas pressure with its provided twin input probes.Max / minimum record function; Data save function, also has room temperature future.

Product Details

Brand:EHDIS
Dimensions:5.31495 X 1.1811 X 2.16535 inches

Digital Manifold Gauge Set Air Conditioning/Refrigerator Digital HVAC Gauges Double Pressure&Temp Test Air Conditioning Tools & Equipment Manifold HVAC with Tricolor Hose, 2 Pairs of Test Clamps

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Key Features

  • ✅ 【Digital Manifold Gauge Set】Digital manifold gauges are used to install, test and maintain refrigeration equipment (such as air conditioners, refrigerators and cold storage, etc.). Digital gauge has very powerful functions, such as: double pressure test, dual temperature test , digital readout, multi-unit switching, multi-mode function and built-in refrigerant database. Equipped with two pairs of temperature control clips, which can be replaced at any time
  • ✅ 【Condensing Pressure & Temp Test of Manifold Gauge】Digital manifold gauges HVAC can test the minimum pressure when the refrigerant changes from gas to liquid, and the maximum temp when the gas changes to liquid. (The lower the pressure and temp of condensation are, the higher the efficiency of the refrigeration cycle and the greater the refrigerant capacity will do.)
  • ✅ 【Evaporation Pressure and Temperature Test of Manifold Gauge】Digital manifold gauges HVAC can test the maximum pressure when the refrigerant changes from liquid to gas. The lowest temp when the liquid becomes gaseous.(The lower the pressure and temp of the evaporation are, the more efficient the refrigeration cycle and the greater the refrigeration capacity will do.)
  • ✅ 【High/Low-Pressure Temperature Test & Pressure Leakage Test for HVAC gauges】The digita HVAC gauges can test the temperature of the digital refrigeration manifold in the high-pressure/low-pressure pipeline of the air-conditioning system. Pressure leakage test: Calculate the pressure difference between the initial test pressure and the second test pressure to determine whether the refrigerant leaks
  • ✅ 【The Digital Gauges HVAC Can Be Filled with Refrigerant Through the Visual Window & Refrigerant Type Can Be Set】Built-in 89 kinds of Refrigerant Database. Before filling the refrigerant, you can set different types of working refrigerants according to the filling requirements of the car. When filling the refrigerant, you can observe the filling state of the refrigerant through the visible window

Product Details

Brand:DUOYI
Model:517kc
Size:5"×8.6"
Color:Gauge Set (Includes one pairs of green clips)
Dimensions:14.566929119 X 11.81102361 X 4.330708657 inches

AUTOOL PT502 Digital Vacuum Pressure Gauge, Automotive Vacuum Leak Tester with Temperature Compensation, 101kPa High Accuracy Engine Intake Exhaust EGR Diagnostic Tool, 12V Car Powered

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Key Features

  • ✅ [Digital Vacuum Pressure Measurement Tool] This digital vacuum pressure gauge is designed for monitoring negative pressure levels in sealed systems and hoses, helping users observe pressure changes without repeated disassembly or manual estimation.
  • ✅ [Wide Measuring Range with Digital Readout] Featuring a digital sensor with a measuring range from -101 kPa to 0 kPa, the gauge provides real-time vacuum pressure readings on a clear screen, supporting consistent and repeatable measurements.
  • ✅ [Automatic Temperature Compensation] An integrated temperature compensation function helps maintain stable readings across ambient temperatures from -10°C to 60°C, improving measurement consistency in different working environments.
  • ✅ [12V External Power Supply with Polarity Protection] Powered by a 12V external power source, the device includes reverse polarity protection to help reduce the risk of damage from incorrect power connections during use.
  • ✅ [Compact Digital Gauge for Practical Applications] Compared with traditional analog gauges, the digital display offers clear and easy-to-read pressure values. The compact design makes it suitable for routine pressure monitoring tasks in workshops or field settings.

Product Details

Brand:AUTOOL
Model:PT502
Dimensions:6.299212592 X 3.543307083 X 1.968503935 inches
Warranty:3 Year Warranty Service
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