14 Best Dv-22N Digital Vacuum Gauge: 2023 Reviews & FAQs

14 Best Dv-22N Digital Vacuum Gauge: 2023 Reviews & FAQs

The best Dv-22N Digital Vacuum Gauge go beyond what’s expected. They’re the ones that make us think, “Wow, I never knew I could do this!”

When you think about it, we use products every day. They help us get through our days and make our lives easier. But sometimes, we forget how much work goes into making those products so useful and reliable – and how many people are involved in getting them to market.

We want to help you find the best Dv-22N Digital Vacuum Gauge for your life, so that you can spend less time thinking about what’s out there and more time enjoying it!


List of 14 Best Dv-22N Digital Vacuum Gauge Reviews

Jb Supernova Digital Vacuum Gauge Dv-41

$450.00  in stock
as of November 6, 2023 11:06 pm


Part NumberDV-41

Vacuum Gauge HVAC Digital Micron Gauge HVAC Micron Vacuum Gauge Tester 100KPa/750061Microns Digital Vacuum Gauge Micron Meter Set 13 Units AC Tool Vacuum Test Kit with 1/4'' Quick Coupler Access Tee

$99.00  in stock
as of November 6, 2023 11:06 pm


  • 1.【Monitoring Mode & Sound and Light Alarm】When the micron vacuum gauge is turned on, it defaults to normal mode, short press the "SET" button to enter the monitoring mode. If the current pressure is lower than the set pressure, the backlight of the HVAC vacuum gauge will flash and the buzzer will sound continuously. When the pressure is greater than the set pressure, the alarm will disappear automatically (press any key or the alarm can be automatically disarmed after 30 seconds).
  • 2.【High Precision Sensor & 13 Pressure Units】The micron vacuum gauge uses a professional micron-level sensor for more accurate measurement. Measuring range: 0-100KPa/14.50Psi/750061umHg (micron), resolution: 0.001Kpa/1umHg, accuracy: ±0.1%FS. The HVAC micron vacuum gauge supports 13 units: mmHg, inHg, umHg, ftH2O, cmH2O, inH2O, Pa, Kpa, mbar, bar, Kg/cm², psi, oz/in².
  • 3.【Calibration Function & Battery Level Display & Non-Slip Design】By long pressing the "CAL" button, the micron vacuum gauge enters the calibration mode and exits automatically after completion. Powered by a 9V battery (included in the package), the battery frame on the screen will display the battery level. Both sides are designed with non-slip rubber, which is non-slip and comfortable to hold. The digital vacuum gauge adopts IP54 dustproof level, which is suitable for various field tests.
  • 4.【Large Display Supports Backlight & ℃/℉ Switching】The 4.2CM×4.8CM high-definition display screen supports LCD backlight, which can display clear data even in dark or weak light conditions. When the digital micron vacuum gauge is turned on, short press the "ON/OFF" button to turn on and off the backlight. “UNITS” button: short press to switch pressure units, long press to switch temperature units.
  • 5.【Wide Application】The micron gauge is used to accurately measure small pressure changes in a vacuum, usually used in conjunction with vacuum pumps and refrigerant gauges, allowing you to monitor the vacuum evacuation process in precision cooling systems and heat pumps. The digital vacuum gauge can also read the real-time pressure during the evacuation of the refrigeration system to help you judge the degree of moisture removal and elimination of contaminants such as oil and external gases.

Digital Vacuum Gauge Micron Gauge HVAC 0-14.5Psi/100Kpa/750000 Microns Vacuum Gauge HVAC Calibration Function Vacuum Tester Micron Meter with 13 Units,Buzzer Alarm,LCD Backlit Display,1/4" SAE Fitting

$99.00  in stock
as of November 6, 2023 11:06 pm


  • 【Professional Vacuum Gauge】Digital vacuum gauge is suitable for dynamic monitoring of vacuum pressure changes in HVAC and heat pump systems. It can measure the real-time pressure when the refrigeration system is evacuated, helping you to accurately judge the dehumidification degree of the system and the removal degree of impurities (such as: oil, impurities, external gas, etc.). Micron gauge is used with vacuum pump and can also be used with refrigerant gauge to monitor the refrigeration system.
  • 【High Precision & Advanced Sensor】This digital micron gauge hvac uses a high-precision micron vacuum sensor, which can response quickly and accurately measure micro pressure changes in a vacuum. The measurement range of digital vacuum gauge HVAC is reduced to 0-14.5psi/0-100KPa/0-750,061umHg(microns), and the small measurement range further improves the accuracy. Measurement Accuracy: ±0.1%FS. Minimum Resolution: 0.01 microns/0.001psi/0.01kpa
  • 【Real-time Monitoring & Buzzer Prompt】HVAC vacuum gauge has 2 working modes:normal mode and monitoring mode.Short press the "SET" button to enter monitoring mode, if the current pressure is lower than the set pressure, it will sound a buzzer alarm continuously and the backlight will flash.When the pressure is higher than the set pressure, the alarm will disappear automatically.You can also press any key or wait for 30 seconds to dismiss the alarm.It helps you monitor vacuum pressure more easier.
  • 【13 Selectable Pressure Units&Large LCD Display with Backlit】Digital vacuum tester supports 13 pressure units, directly output data without conversion: mmHg, inHg, umHg, ftH2O, cmH2O, inH2O, Pa, KPa, mbar, bar, psi, Kgcm² and ozin². Digital micron gauge hvac has a large backlit display for clear readings even in dark environments.
  • 【Calibration Function&MAX/MIN Value Display】Long press the "CAL" button, the vacuum gauge hvac enters the calibration mode, and exits automatically after the calibration is completed. Short press the 'MAX/MIN' button, the micron gauge hvac will display the maximum and minimum values of the test data after power on.

Digital Vacuum Gauge 0-750000microns Range Micron Gauge HVAC Vacuum Gauge 13 Units Vacuum Gauge Automotive 7/16"-20UNF(1/4" SAE) HVAC Micron Gauge Vacuum Tester with Alarm,Extension Connector

$99.00  in stock
as of November 6, 2023 11:06 pm


  • 【Multi-Functional Intelligent Digital Vacuum Gauge】Vacuum gauge is versatile,it can accurately measure micro change of pressure in vacuum.Also,you can gauge the real-time pressure of the refrigeration system in vacuuming,thus gathering information relevant to dehydration and cleaning foreign body.In addition to monitoring the vacuum system in real time,it can also identify the quality of the vacuum pump,measure whether the system is leaking,obtain the status of the refrigerant charging,etc.
  • 【High-Precision Vacuum Sensor &13 Measurement Units】HVAC micron gauge is accurate and reliable in measurement,and the range is reduced to 0-100Kpa/0-750,000microns,which further improves the measurement accuracy(measurement accuracy:±0.1%FS,minimum resolution:1 micron).Built-in high-precision vacuum sensor,which is not only accurate and reliable,but also quick to respond.It has 13 measurement units (mmHg,inHg,umHg,ftH2O,cmH2O,inH2O,Pa,Kpa,mbar,bar,Kg/cm²,psi,oz/in²)which can be switched freely.
  • 【Two Working Modes & 1 Calibration Modes】Digital vacuum gauge has two working modes,normal and monitoring.The normal mode (default mode) is when the gauge is switched on,and press the "SET" button" for monitoring mode in short time. In the monitoring mode, the screen displays a flashing SET indicator,and the buzzer sounds.In addition, the vacuum gauge is also designed with a calibration mode,long press the "CAL" button to enter calibration settings,automatically exits upon completion.
  • 【Sound & Light Dual Alarm】Vacuum gauge hvac can be set to an pressure alarm value and has a buzzer alarm function.In monitoring mode,if the current pressure is lower than the set pressure at that time,the buzzer will alarm continuously and the backlight will flash.It also has a temperature measurement function,when the refrigerant hose is connected to the air-conditioning pipe,it can display the temperature in the air-conditioning pipe in real time,helping you to judge the degree of vacuuming.
  • 【Humanized Design】HVAC vacuum gauge adopts a high-definition LCD display with backlight function for better readability,and it can work normally even in a dim environment.Vacuum gauge is designed with non-slip rubber on the both sides,which can effectively prevent slipping and have a comfortable grip.Also,the vacuum gauge comes with an extension connector,saving you the time of buying extra.It is a good helper for AC technicians who do air conditioning charging or automotive AC work

OUFKAR Digital Vacuum Gauge HVAC Micron Gauge, 0-750,000 umHg(Microns) Range, 13 Units, 1/4" SAE Male Fitting Micron Meter Vacuum Tester

$99.00  in stock
1 used from $98.01
Free shipping
as of November 6, 2023 11:06 pm


  • 【Detecting Micro Changes】 - Our digital micron gauge to accurately measure micro change of pressure in vacuum. And you can gauge the real-time pressure of the refrigeration system in vacuuming, this gathering information relevant to dehydration and cleaning foreign body (such as oil, external gas and etc.). Digital vacuum gauges HAVC parallel with vacuum pumps (making vacuum) in utilization.
  • 【HIGH PRECISION】 - Our digital vacuum gauges can detect even finer changes in vacuum pressure. Measurement range is 0-750,000 umHg(micron)/ 0-100 KPa, etc. Minimum Resolution: 1 micron; Measurement Accuracy: +/- 0.1% FS.
  • 【Monitoring Mode & Beep Alarm】 - Our Digital Vacuum Gauge HVAC Divided into normal and monitoring mode, Under the monitoring mode, If the current pressure is lower than the designated pressure at this time, an alarm will run. When current pressure is higher than the set pressure, the alarming will automatically disappear, or pressing any key, or automatically disappear after 30 seconds. The monitoring mode allows you to control the vacuum pressure more easily.
  • 【13 Types Measurement Units】 - Our Micron Gauge HVAC have a total of 13 conversion units (mmHg, inHg, umHg, ftH2O, cmH2O, inH2O, Pa, Kpa, mbar, bar, Kg/cm², psi, oz/in²). You can convert the units according to your working requirements to cope with complex working problems.
  • 【HD Backlit Screen & Calibration】 - Our HVAC micron gauge come with a high definition backlit screen that can be turned on or off with a short press of the power button, so you can take readings in sunlight. A long press on the "CAL" button will automatically complete the calibration.

VMV-1 Digital Vacuum Gauge,0-30000 Microns Range, 2% Accuracy, 7/16-20UNF Interface

$168.39  in stock
2 new from $168.39
Free shipping
as of November 6, 2023 11:06 pm


  • Vacuum gauge with ultra-fine resolution (Resolution: 0.01).
  • Backlit, LCD digital display of 4 international units including Pa, mBar, mmhg, Microns, and a 1/2-second response time.
  • Connector type : Standard 7/16-20UNF Interface. Maximum Overload Pressure: 14psi/0.1Mpa.
  • Supports four vacuum units, overrange protection and zero setting.
  • Measurement Accuracy: 2-100Pa (Digits ± 5%),Operating Temperature: 0-50°C(32-122).

Deror Digital Vacuum Gauge,VMV-1 High Precision Digital Vacuum Gauge for Atmospheric Environment 0-50 Degree Celsius

$148.99  in stock
2 new from $148.99
Free shipping
as of November 6, 2023 11:06 pm


  • ★【Parameters】Model: VMV-1; Maximum Overload Pressure: 14psi/0.1Mpa; Resolution: 0.01 (
  • ★【Four Units】This micron vacuum gauge supports four vacuum units, including Pa, mBar, mmhg, Microns, to convert units, over-range protection and zero point setting as needed. Digital vacuum gauge kit has large screen display with 20 seconds backlight design, easy to use even in dark environment.
  • ★【High Quality】100% brand new and high quality. Digital vacuum gauge data is displayed on the large screen for easy reading. Digital micron vacuum gauge is easy to use, a buzzer will alarm when the set target vacuum level is reached. It will turn off automatically after 10 minutes of inactivity.
  • ★【Easy to Carry】The compact and lightweight vacuum tester is equipped with a storage pouch with pocket design to make it more convenient to carry. You can use it anytime, perfect for your needs.
  • ★【Professional Design】High precision digital vacuum gauge VMV 1 with professional Pirani vacuum sensor, accurate and fast measurement, suitable for atmospheric environment, used to detect system leakage and accurately measure the vacuum level in atmospheric environment. (Cannot be used for measurement of other environments, such as refrigerant).

Xetron Wireless Digital Micron Vacuum Gauge 1/4" SAE, OTA Remote Firmware Upgrade, Rechargeable Pressure Tester Meter HVAC, Alarms via APP, Bluetooth Offline Recording, Temp Compensation, LCD Display

$154.00  in stock
as of November 6, 2023 11:06 pm


  • 【Wireless Vacuum Gauge Monitoring Progress via APP】Used as a standalone gauge, or paired with our AI Tools APP for greatly enhanced jobsite capabilities. While you’re performing an evacuation, this gauge allows you to monitor progress via the Mobile APP. Measuring Range: 1~19000 microns. Vacuum units: microns, Torr, mTorr, inHg, Pa, KPa, mbar, psia. Temp. units: ℉/℃. Connector type: 1/4” SAE Male Flare. Included the T-fitting and Extended fitting.
  • 【LCD Screen Bright even in Low Light or at Odd Angles】The new, smaller cylindrical shape is easier to fit into tight spaces, even those awkward, hard-to-reach spots. Rugged over-molded construction for extreme impact resistance.
  • 【Display Physical Status of Water in Cooling System】Calculating the saturation temp. of water, ambient temp. and their temp. difference to judge the status of water. 【Temperature Compensation】An advanced ambient compensating design automatically compensates for varying temperature conditions with no manual adjustments needed.
  • 【Greater Functionality When Used with APP】Bluetooth one-click connection, no need to register an account befor usage. 1. Log vacuum/temperature data (viewable in real-time graphs) 2. Alarm notice or vibration will be prompted when the vacuum value hits the evacuation target 3. Set decay target value for leak test 4. Switchable logging interval/ update interval in real-time graph. 5. Provides proof of documentation in PDF/ Excel.
  • 【Trouble-free Warranty by reaching us】Operates up to 20 continuous hours on one lithium battery, with Type-C charging port. Auto-Off after 15 minutes of no use. Zero risk, one year warranty and lifetime customer service.

Wisscool Digital Micron Vacuum Gauge 1/4" SAE, Digital Pressure Tester Meter HVAC, Alarm Notice, Temp Compensation, LCD Display, 6 Units

$99.99  in stock
as of November 6, 2023 11:06 pm


  • Measurement Range- The measuring range of the vacuum gauge is 99999~0.1Pa(740000~0.75Micron). Accuracy is ±5%(at 20℃).
  • Professional high accuracy Pirani vacuum sensor, accurate and fast.
  • 6 Conversion Units: Pa, mBar, mmHg, mTorr, InHg, Microns. Units can be converted as needed.
  • Buzzer Alarm: Alarm notice or vibration will be prompted when the vacuum value hits the evacuation target
  • Package ncludes a vacuum gauge, 3 AA batteries, an extension connector, and a portable tool bag.

MEASUREMAN 2-1/2" dial, Digital Industrial Vacuum Gauge with 1/4"NPT Lower Mount, Stainless Steel case and Connection, 15psi, 1%,Battery Powered, with LED Light

$59.97  in stock
as of November 6, 2023 11:06 pm


  • For air vacuum negative air pressure measuring, for media which is not corrosive to stainless steel wetted parts
  • Dial size: 2-1/2", bright backlight, 1%
  • 4 digit display, 4 units,-15psi, -30inHg,-100kpa,-760mmHg, 150% over load
  • Batteries status display, Pressure progress bar
  • 304 Stainless steel connection, 1/4"NPT male

CPS VG200: Vacuum Gauge with Digital LCD Display

$179.84  in stock
as of November 6, 2023 11:06 pm


  • ACCURATE - Calibrated to strict NIST standards for best-in-class accuracy and reliability.
  • SMART DESIGN - Advanced sensor design with self-heated thermistor bridge and automatic temperature compensation.
  • SIMPLE TO CLEAN - Field cleanable sensor designed to withstand 400 Psi of positive pressure.
  • EASY TO READ - Continual digital readout of evacuation process on large, easy to read 5-digit LCD display.
  • USER SELECTABLE UNITS - Choose between microns, torr, in/hg or mBar.

Elitech Digital Vacuum Gauge HVAC Micron Gauge 0-19000 Micron Refrigerant Vacuum Meter 1/4" SAE, VG-760

 in stock
as of November 6, 2023 11:06 pm


  • WIDE MEASUREMENT RANGE & HIGH ACCURACY: Used to test system leak and discern vacuum pump quality of the evacuation in an HVAC and refrigeration system; accurate measurements from 19,000 Microns (atmosphere) to 0 Micron. Accuracy: ±10% or ±10 Micron
  • MULTIFUNCTIONAL DESIGN: Settable high/low pressure alarms, notifications will be sent when readings go beyond the predetermined value.
  • EIGHT MEASUREMENT UNITS: Easy conversion between 8 measurement units: inHg, Torr, psi, mbar, mTorr, Pa, micron, Kpa.
  • HIGHER PROTECTION LEVEL(IP65 Rated): ensure a deep vacuum throughout the entire system and prevent the mist when the refrigerant is caused by refrigerant bottle blasting.
  • Long battery life: powered by 3AA batteries, up to working 300 hours. 24/7 US Technician Support via Email and Phone.

MEASUREMAN Vacuum Gauge, Glycerin Filled, 2-1/2" Dial Size, 1/4"NPT Lower Mount, -30"Hg/-100kpa-0, 2 Pack

$24.97  in stock
as of November 6, 2023 11:06 pm


  • For measuring the vacuum of gas, air, suitable for vacuum pump, vacuum tank or other vacuum system
  • 2-1/2" dial size, 1/4"NPT lower mount,
  • Vacuum range: -30"Hg/-100kpa-0
  • 304 stainless steel case and crimped ring, polycarbonate window, brass inside and connection,
  • Accuracy: +/-3-2-3%

UHARBOUR Vacuum Gauge 2-1/2" Dial Liquid Filled -30 inhg/0, Rubber Protective Case, 1/4" Brass Lower Mount, Including 1/4" to 1/8" Thread Adapter and Teflon Tape

$13.99  in stock
as of November 6, 2023 11:06 pm


  • 1. Accurate measurements: The 2.5 inch dial liquid filled vacuum gauge ensures accurate readings of vacuum pressure, making it an essential tool for a variety of applications.
  • 2. Durable design: The rubber protective case provides added durability and protection to the gauge, making it resistant to impact, dust, and moisture, ensuring long-lasting use.
  • 3. Versatile mounting options: With its 1/4 inch NPT brass lower mount, the gauge can be easily mounted in different configurations to suit various installation requirements.
  • 4. Convenient accessories: The included 1/4 inch to 1/8 inch thread adapter and teflon tape make installation a breeze, providing all the necessary components for a hassle-free setup.
  • 5. Wide range of applications: This vacuum gauge can be used in a variety of applications such as automotive, HVAC, and industrial systems, making it a versatile tool for professionals and DIY enthusiasts alike.

What to look for when buying the best Dv-22N Digital Vacuum Gauge

When you’re shopping for the best Dv-22N Digital Vacuum Gauge, there are a few things you should keep in mind.


The price of a product is a huge factor in its quality and appearance. If you want something that will last, it needs to be made with high-quality materials and reinforced with durable stitching.


A good product will last a long time and retain its value over time. You want to know that you can use your product without worrying about breaking it or having it break down before its time is up.


Consider how easy it will be to use your new purchase every day—whether that means putting it away after use or working with it all day long! Does it fit into your routine easily? If not, think about how much time and effort it would take for you to change your routine around so that it does fit in well with what you need from


The longer something lasts, the more value it has to you. This can be true even if the item costs less than others—if it doesn’t fall apart after a few months of use, that means you’ll be getting more use out of it.


If you have an eye for beauty and style, this is another factor to consider when purchasing items. Does it look nice? Is it sleek and modern, or does it have an antique charm? Can you see yourself using it every day?

Warranty and return policy

If there’s something wrong with your product, who will take care of it? Will they give you a refund or replacement? Do they have a good track record for customer service? These questions can help make sure your purchase goes smoothly when something does go wrong—and trust me, no one wants to deal with returning or repairing something themselves!

Customer service

When considering which brand or company makes the best products for you, don’t forget about their customer service! Are they responsive? Do they respond quickly? Do they answer all your questions?


We’ve come to the end of our list of the top 14 best Dv-22N Digital Vacuum Gauge, and we hope that you’re as excited about these products as we are.

The Testo 557s Kit I App Operated Digital Manifold, 2 x testo 115i Pipe Clamp Thermometer, 1 x testo 552i Micron Gauge, 4 x Hoses I for HVAC Systems – with Bluetooth by Testo SE & Co. KGaA is one of the best products on the market because it’s a unique product that’s unlike any other on the market. It solves a problem that many people face every day, and it does so in a simple way. You can rest assured that this product will make your life easier because it’s reliable and built to last. It’s not just a good product—it’s an essential one!

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