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Your cart is empty.Fieldpiece MG44Reliable, leak-proof sealReversible angled coupler and new cylindrical design are easier to fit into tight spacesView from up to 1000 ft away via the Job Link mobile app, on the Fieldpiece SMAN Refrigerant Manifold, or direct from the MG44's displayThe new larger backlit LCD screen is easier to read and its dot-matrix display shows more info including a bar graph, rate, and rate meterIP54-rated weather-resistantWireless Vacuum GaugeDesigned for the fieldLike every piece of Fieldpiece hardware, the Wireless Vacuum Gauge (MG44) is built to make your work easier. It helps eliminate misleading measurements by allowing you to connect it at the system port - even those awkward, hard-to-reach spots. It's also housed in a rugged impact - and weather-resistant case.Install anywhere - even one-handedThe new, smaller cylindrical shape of the Wireless Vacuum Gauge, its no-slip grip, and the addition of a reversible angled coupler - mean the MG44 is easy to manipulate and install in the toughest spots.Three ways to useWhile you're performing an evacuation, this gauge allows you to monitor progress via the Job Link app from up to 1000' away. The MG44 also works with existing SMAN Refrigerant Manifolds (SM380V/SM480V) or you can monitor evacuation measurements directly on the MG44 display.Three ways to viewA dot-matrix display means you get multiple views - bar graph, rate, and rate meter; and our new larger backlit LCD screen is bright and easy to read, even in low light or at odd angles.
CESAR HERNANDEZ JUAREZ
Reviewed in Mexico on May 21, 2025
Excelente, fieldpiece siempre de buena marca, materiales resistentes. La operación es muy buena, inmediatamente probé mi bomba de vacío y el resultado fue increíble. Lo malo es que pierde la señal en la app después de un rato, supongo se debe gestionar el tiempo. Lo investigaré.Cosa que no me pasa con mi otro productos de la misma marca
ToolGuy
Reviewed in the United States on February 25, 2025
Worked great for evacuation of a mini-split system.
Jorell
Reviewed in the United States on February 16, 2025
This thing just makes my work that much more professional
Greg
Reviewed in the United States on April 17, 2025
Works excellent. Like the display on the piece itself. It does not register at 1000 feet away. I really didn’t expect it to.
Joey
Reviewed in the United States on September 20, 2024
An extremely accurate Micron gauge connects right to the app on your phone.
Customer
Reviewed in the United States on July 7, 2024
I’m in HVAC installer and I use a lot of fieldpiece equipment. I love that this one can connect with the fieldpiece app along with my spark pros. Makes my install very easy and I’m able to save the process.
Mondelivres
Reviewed in the United States on July 5, 2024
I own a CPS VG200 vacuum gauge and it seems that the sensor needs to be cleaned with denatured alcohol after every use and I have grown to distrust its reliabilty. So I ordered the Fieldpiece vacuum gauge and I have used it twice thus far to pull a vacuum on 2 recovery cylinders.1. The field piece appears to be accurate.2. There is no leak or crazy changes during the evacuation process.3. The decay test was excellent.4. The wireless feature is very helpful. You can set the auto turn-off feature for 1 hour or less, or just disable it and keep monitoring the progress of the micrin gauge from indoors. Two AA batteries came with it.5. The wireless feature DOES NOT work within the 1000 feet range. It may work if there are no walls. It worked for me at about 30 feet distance from my garage to the farthest point inside my house, but stopped picking up the signal when I went to the backyard.6. By comparison to the CPS micron gauge, I think the Fieldpiece is by far more reliable. I changed the gasket on the CPS vacuum gauge and when it reaches 150 microns the reading starts rising again beyond 500 microns on its own, and even went beyond 1500 microns. I cleaned the CPS VG 200 sensor per manufacturer's instructions and changed the gasket, but it still was irratic. I switched to the Fieldpiece right way and the problem did not reoccur.7. I do not find it necessary to spend more money on another brand or gauge, just because the other brand has more bells and whistles. Invest in other tools you need.I have used an Appion valve during the process, a Robinair 4 cfm vacuum pump with aa ballaster and an isolation valve, and two 3/8 hoses. The hoses were connected to a Yellow Jacket vacuum manifold.Take the time to play with the menu and insert the batteries with the positive polarity facing up towards the back cover.As I prime member I received the gauge on a Sunday, which I ordered on a Friday evening. The Amazon driver did an excellent job in terms of texting and the safe delivery of the product. These people need to be appreciated for their effort in keeping us customers happy when they deliver our goodies.Reviewed on 07/05/2024
William B.
Reviewed in the United States on October 28, 2024
They do NOT work as far away as the other probes, you need to turn on this gauge and try to link up to your device very quickly or it won't link, appears to be accurate, works well with 1 hose setup
Joseph Smerdel
Reviewed in the United States on July 17, 2023
I purchased the MG44 and was able to use it on a HVAC system recharge. However, it would never hold a vacuum, I thought I might have leak in the system, or a bad hose so I purchase a brand new hose and the same result. I decided to connect the MG44 directly to my vacuum pump using an Appion valve. Same problem I would get it down to 15 microns and shut the valve. The vacuum would go from 15 microns to 740 microns in 10 minutes and continue to climb. It never stops. I purchase a new Appion valve and tried it again same problem. I called fieldpiece and they suggested I call Amazon, since they don't support the product if purchased from Amazon. Since I have had it sitting on my bench sine the end of April there is no point in calling amazon. The MG44 seems to be defective, unfortunately I'll have to eat the $240 I paid for it.I may buy another one from Amazon and just keep returning it until I get a good one.
Johnny Lunchbucket
Reviewed in Canada on June 13, 2023
Just got it in the other day and quickly found that my gages are leaking (no surprise there). I then connected it directly to my pump and found that it would pull down to ~40 microns and then flare up to 750 and pull back down. Found an O-ring that was getting sucked in at low vacuum (and leaked) so I fixed that and re-sealed two other O-rings on the pump. Then lubricated the rubber seal on the ballast valve.Next thing you know, pump pulled straight down to 27 microns very quickly with no spikes or rise. So that straightened my pump out right off the bat. I also know that the oil in the pump is good.Haven't yet connected it to my car but I already know this is a *good* unit. Spend the extra $50 or $100 and get this one. I tried a cheaper one and returned it. This is the *right* one to get.
Saul alberto hernandez
Reviewed in Mexico on April 10, 2023
El producto me parece excelente solo que la app de joblink es muy complicada no se conecta falla mucho
Vanessa
Reviewed in Mexico on November 8, 2022
Me agrada que la medición es muy precisa, también es grandioso el uso de la app, la gráfica es muy útil para darte una idea de cómo está el sistema, me encanto que te da una velocidad aproximada del vacío, lo que no me gusto es que la app tiene muchos detalles, aveces se desconecta, salen varios errores, la herramienta es grandiosa la app puede mejorar mucho pero impacta en el uso de la herramienta, la app de Testo es mucho mejor.
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