If you are on the market for the best micron gauge, then this is an article you should read until the end. We spent hours comparing different products on the market to make shopping easier for you. We sampled some of the best products from top brands to give you a list of the top 10 micron gauges dominating the market this year. That’s not all though; we also made sure to provide you with a list of the essential features you need to consider when comparing HVAC vacuum gauges. Because these devices need to be accurate, you need to take time looking for the best micron gauge that gets the job done flawlessly.

What is a micron gauge?

If you are not familiar with this term, don’t worry because we’ll tell you all about micron gauges. If you are, however a DIY person or an air conditioning expert, then this term sounds too familiar.

Micron gauges are devices designed to determine the exact level of vacuum in the air conditioning system. Aside from this, these devices can also be used to measure the level of degassing, and dehydration in your unit, in turn, helping prolong its life.

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10. CPS VG200 Vacuum-Gauge

10. CPS VG200 Vacuum-Gauge

  • By: CPS
  • Item Weight: 10.6 ounces
  • Product Dimensions: 2 x 4.3 x 3.1 inches
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This is a great digital vacuum gauge and provides one of the most accurate readings on the market. It features a simple design that is intended to do the trick without any hassles. Well, this model is calibrated strictly to NIST standards. It features a built-in self-heated thermistor bridge together with automatic temperature compensator. It boasts a smart design with advanced sensor design and is easy to clean. It sturdily built and can withstand 400 psi of pressure.

Furthermore, this device is incredibly easy to read. Thanks to the user-friendly digital readout so you can watch the evacuation process on this large five digit LCD. Amazingly, you can choose to read different selectable units, which include microns, torr, in/hg, and mBar. The micron tolerance is 0 – 100,000 Microns and operating temperature range from 40 to 185 degrees Fahrenheit. It is powered by one 9-volt alkaline battery which offers up to 25 hours of use.

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9. Uniweld UVG Digital Vacuum Gauge & Adaptor

9. Uniweld UVG Digital Vacuum Gauge & Adaptor

  • By: Uniweld
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Want to check the condition of your air conditioning system? To do it correctly, you need the best micron gauge. The Uniweld UVG Digital Vacuum Gauge is professionally designed so that you can do the trick quite simply. It includes an adapter to allow perform the task quite hassle-freely. It is engineered to provide unmatched vacuum accuracy.

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Well, it effortlessly measures the vacuum in microns, millibar, Pascal’s and mm of mercury. With a resolution down to 1 micron, the device allows you to monitor any slight fault and allows the process to run quite smoothly. As well, it makes this device extremely versatile. Besides, it boasts self-calibration without the need for other equipment.

Moreover, there is an oil sensor which eliminates false reading. It displays OIL to notify you when the sensor needs cleaning. And cleaning of the sensor only requires rinsing the sensor with isopropyl alcohol. Besides, it boasts 500 psi as its maximum working pressure.

8. Fieldpiece SM380V 3-Port SMAN Refrigerant Manifold Gauge

8. Fieldpiece SM380V 3-Port SMAN Refrigerant Manifold Gauge

  • By: Fieldpiece
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The Fieldpiece SM380V 3-Port SMAN Refrigerant Manifold gauge is uniquely designed to allow you to do the job easier and more accurately. It boasts a professional design that entails rugged over-mold casing. Also, the construction features hermetically sealed glass and reinforced hook. As well, it possesses wireless capabilities whereby it allows you to do measurement without any hassles.

From data logging, rigid construction to tightness test, this micron gauge has been designed as the sturdiest and most advanced digital refrigerant manifold gauge. The rugged construction entails heavy-duty casing and IP54 waterproof rating to ensure the device is excellently adapted to its functions. Also, you will love the impact-proof screen, specially placed thermal couple ports sealed sight glass. This tells you that this device is suitable for all rigorous field use.  On the other hand, this device is packed with knowledge because it can store up to 9 jobs internally. And, you can easily download via the USB port. Moreover, it displays the percent of the free space before logging can begin.

7. Yellow Jacket Vacuum Gauge

7. Yellow Jacket Vacuum Gauge

  • By: Ritchie
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Here is another top-rated micron gauge which you should consider in your next investment. The 69080 digital vacuum gauge is designed to indicate air and moisture have been evacuated from the system. It also allows you to track down the bar graph to 25 microns and know whether the system is clean or working correctly. It is equipped with a unique thermal conductivity sensor that automatically compensates for temperature with no need for calibration.

Well, the sensor is easy to clean and can handle up to 450 psi. Besides, the construction is robust as it features military-grade ABS plastic. As well, it features a solid state circuitry for highest accuracy levels. It is as well equipped with an automatic battery saver which puts off the gauge after 20 minutes of inactivity and no reading changes. And when the battery juice goes too low, you will always be notified via low battery indicator. It comes with a hanging hook.

6. Testo 552 - Digital Vacuum Gauge with Bluetooth

6. Testo 552 – Digital Vacuum Gauge with Bluetooth

  • By: Testo
  • Item Weight: 1.16 pounds
  • Product Dimensions: 9.1 x 6.5 x 2.2 inches
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This is a 4 way manifold system. It features two temperature compensated pressure sensors which automatically calculates evaporating and condensing temperature. Likewise, this device can calculate the superheating and subcooling ranges. It is a unique micron gauge model which boasts high precision Pirani gauge with a digital manifold.

It is engineered to provide accurate vacuum measurement, enhancing an efficient refrigeration system and heat pumps. It gives real-time calculations for saturation temperature, which determines appropriate temperature levels at which moisture is removed from the system.

Well, these internal calculations will let you know when you reach the target pressure levels to attain your evacuation target. Plus, there is a user-defined alarm which will let you know when the intended values are achieved. The Bluetooth function of this device allows you to connect to your phone and access the free Testo Smart Probes app.

5. RITCHIE 69075 SUPER EVAC LCD- VACUUM GAUGE

5. RITCHIE 69075 SUPER EVAC LCD- VACUUM GAUGE

  • By: Ritchie
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Are you still looking for the best vacuum micron gauge? Here is a terrific choice by the name RITCHIE 69075 SUPER EVAC vacuum gauge. It boasts a thermocouple technology that has, for a long time, been certified in the lab and industrial instrumentation for sensing the deep vacuum range. And, the thermocouple sensor is factory-calibrated and possess several electronic variances compared to thermistors sensors present in many digital gauges.

It features a durable molded case for perfect storage of sensor, brass connector, and cable. Besides, this device stays calibrated even after switching it off or long calibrations. For accuracy, it offers battery compensation and automatic ambient temperature calibration.

On the other hand, a replacement sensor requires no calibration. It features a beautiful LCD readout, and normal jarring or and handling won’t affect the LCD reading in any way. The calibration of this device is strict to the NIST standards. It uses precision circuitry controls sensor which modifies sensor input into micron readings.

4. BELEY Refrigeration Digital HVAC System Manifold Gauge

4. BELEY Refrigeration Digital HVAC System Manifold Gauge

  • By: BELEY
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Featuring an intelligent and creative design, this auxiliary instrument is a must have for installation, testing, and proper maintenance of any refrigeration system. It is ideal for proper maintenance of HVAC, fridge, air conditioners, and more. It features an interesting design which has double pressure set, digital readout, dual temperature test, multi-unit testing, multi-mode function, and built-in database. It also offers multi-unit pressure conversion and automatic temperature unit conversion to serve your different needs.

What’s more, it features 89 built-in refrigerant pressure- evaporation and temperature database. The unit is also designed to be able to calculate subcooling and superheat. At the same time, it tests the percentage of vacuum, pressure leak, and leak speed and time record. This manifold is pretty easy to operate, functional, and accurate. With a large LCD, this device shows the readings clearly to make your work extremely easy.

3. Appion AV760 Vacuum Gauge

3. Appion AV760 Vacuum Gauge

  • By: Appion
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A lot of features make AV760 Digital Vacuum Gauge one of the best you can have. To start with, it offers a full range response as well as unprecedented accurate measurements from the atmosphere to 1 micron. It is calibrated strictly to conform to the NIST standards. Thus, it provides verifiable accuracy. So, this is a great device which you can use to reveal leak points which can as well help in preventing unnecessary delays. It also offers vivid readouts via the large LCD.

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The classic design doesn’t stop there. It features rubberized construction with a water resistance rating of IP65 rating. AS WELL, sensor housing is very easy to clean. This tells you that this is a great micron gauge for field operations. It is quite versatile as it displays 6 different units of measurements. Moreover, it features auto shut off feature that activates after every 15 minutes of no change. The wireless connection capability allows you to connect the device to tablet or smartphone via the ION app.

2. INFICON 710-202-G27 Pilot Plus Digital Vacuum Micron Gauge

2. INFICON 710-202-G27 Pilot Plus Digital Vacuum Micron Gauge

  • By: Inficon
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By incorporating several innovative features, this micron gauge offers unmatched performance. It is one of few micron gauges to use Pirani sensor. So, it provides extreme accuracy and can measure the whole vacuum process. It is effective as it lets you instantly know if your connections are efficiently vacuum-tight. It also uses a unique filter which shields and protects the sensor from contaminants such as oil and dust.

Thus, it allows for more accurate readings and eliminates the need to clean the sensor. Besides, this micron gauge is easy to calibrate even for slight changes in atmospheric pressure at your geographic location. It uses a 9V battery which is incredibly powerful and can power the device for up to 45 hours. As well, it boasts auto power off feature for every 60 minutes and doesn’t lose the last readings of the display.  You can take the readings conveniently on the large backlit LCD.

Our Pick

1. Fieldpiece SM480V SMAN Digital Manifold Wireless

1. Fieldpiece SM480V SMAN Digital Manifold Wireless

  • By: Fieldpiece
  • Item Weight: 6.42 pounds
  • Product Dimensions: 12.9 x 11.2 x 4.8 inches
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This is among the best rated fairly-priced digital manifold gauge yet. It is designed to offer ultimate performance. Also, it is incredibly strong. It features a heavy-duty casing, reinforced hook, and water resistant and impact resistant screen. Besides, it has thermocouple ports which are strategically placed. The sight glass is hermetically sealed, and this vacuum micron gauge includes a reinforced hook. This tells you that this is sturdily built digital manifold ready for any service.

Moreover, it has the capacity of up to 9 calculations of different jobs internally. And, you can always download what you’ve stored any time via the USB connection. It displays the percentage of free memory available before logging can begin. It is also an excellent device for testing levels. Therefore, you can check the leaks after repairs or installation. Also, you can view the timer track duration of test and pressure differential over time. It is fully customizable because you can adjust auto power off, backlight duration, alarms, and unit of measurements.

Characteristics of the best micron gauge

When shopping for a micron vacuum gauge, there are a few things you need to have in mind. The products we have listed above share these characteristics:

Durability

Before buying a micron gauge, it is important to check its overall build quality. This includes the material used to make it. Durability is an important factor to consider because it assures you long term use of the device without a replacement. It also helps reduce the costs that you could have otherwise used on repairs and maintenance.

Ease of use

Your micron gauge should be easy and quick to connect. When shopping around, look for a device that is easy to understand and one that comes with an instruction manual to help you understand how to use it.

Cleaning a micron gauge

Regardless of the model you buy, micron gauges share a common enemy – dirt. Dirt can cause problems to the device, which in turn affects its effectiveness and performance. These devices need to be cleaned periodically for the best results. Remember to always keep the cap on when it is not in use. You will need isopropyl rubbing alcohol to clean the micron gauge. Pour the alcohol into a small bottle. Open the cap and put a few drops of the alcohol into the open port. Close the cap and shake it gently then pour it out. Wipe the outside of the micron gauge with a piece of cloth.

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Wrapping up

We do not want you to settle with low-priced models that give inaccurate readings. To help you make the right decision, we have shown you the best products you can buy depending on your budget for the best results. Hopefully, our lists give you a head start in finding the best micron gauge on the market.

4 thoughts on “Top 10 Best Micron Gauges in 2019

  1. Absolutely bogus information here. The BlueVac Pro is by far the best Micron guage on the market. I’ve owned several of the units reviewed here and the Fieldpiece SMAN is so bad it shouldn’t even be on the list. Complete misinformation!

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