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NAVAC NMV1 Micron Vacuum Gauge - HVAC Digital Vacuum Gauge with Level Alarm and Leakage Warnings - Large Backlit Display

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$168.00

$ 72 .99 $72.99

In Stock
  • Precision Vacuum Sensor: NAVAC NMV1 Micron Vacuum Gauge uses a high-precision Pirani vacuum sensor for accurate measurement of vacuum levels, ensuring the equipment is leak-free and void of any moisture and non-condensable gases.
  • Vacuum Level Alarm: The vacuum target is programmable and once it is reached, an alarm will buzz as a reminder, and it will buzz rapidly when the vacuum level rises from the preset value.
  • Leak Warning: The backlit display of the NMV1 HVAC vacuum gauge will flash to warn of vacuum leakage.
  • Easy to Use: The NAVAC NMV1 digital vacuum gauge has an ergonomic design and is easy to read with a large backlit digital display for a comprehensive view of vacuum conditions.
  • Encouraging Smart Work: NAVAC is a globally recognized brand committed to advancing the HVAC industry through cutting-edge technology and innovative tool design. NAVAC delivers reliable and durable products that empower professionals to work smarter.


The NAVAC NMV1 is a micron gauge HVAC technicians use to measure vacuum levels, ensuring the equipment is leak-free and void of any moisture and non-condensable gases. It uses a high-precision Pirani Vacuum Sensor for precise measurements and is easy to use with a large backlit display. The NMV1 Micron Vacuum Gauge has alarm and warning functions; an audible alarm sounds as a reminder once the preset vacuum level is reached, and a rapid buzz accompanied by a flashing screen if the vacuum level rises from the preset as a vacuum leakage warning.


Brian canova
2025-09-02 15:22:53
Best one to date I have ever owned
Onkar Singh
2025-08-10 15:54:21
Nothing fancy about it, it's a vacuum guage easy to operate and plus it comes with all the accessories such as coupler and a tee and as a for the price point the case is very soft and good and I really like the case it does have some function I do like as well such as the alaram function on it so for the price point it's a very good vacuum gauge.
tomas
2025-08-08 12:10:01
I have the same problem, just read this, I don't know what to do.
Brian canova
2025-07-29 16:23:54
Best one to date I have ever owned
Onkar Singh
2025-07-26 11:23:10
Nothing fancy about it, it's a vacuum guage easy to operate and plus it comes with all the accessories such as coupler and a tee and as a for the price point the case is very soft and good and I really like the case it does have some function I do like as well such as the alaram function on it so for the price point it's a very good vacuum gauge.
tomas
2025-07-23 12:29:44
I have the same problem, just read this, I don't know what to do.
FullySatisfied
2025-07-13 18:29:26
Seemed to have worked well in the beginning but it failed a couple days ago in the middle of an install. The gauge bounces between 200 and 2500 microns and will not stabilize. I’ve cleaned the sensor as per the instructions to no avail.Haven’t been able to get any help from Amazon. Ordered a different brand at my expense.
Chz hr
2025-07-06 10:55:53
This things it perfect for distillation. With this I was about to find my leaks in my system.
Big Dog
2025-06-23 15:23:16
Skip this one.
B Sisters 3
2025-06-19 10:13:01
It only displays this reading in all corresponding units - microns, Pa, mBar, mmHg. I have tried all sorts of stuff to get this to work and have not been able to use this since I got it. I should have just sent it back. Now I'm dealing directly with NAVAC to see if they'll correct this. Can't even get this on Amazon anymore. Hmm. I've heard they're good units. Just not mine.
Adam J Puccino
2025-06-17 13:22:56
They leak. With this unit isolated from anything, it will recover 100+ microns a second and continue until it's out of range.I RMA'd and they sent one out the next day. The replacement leaks almost as fast.Moving on to another brand.
FullySatisfied
2025-05-26 13:48:58
Seemed to have worked well in the beginning but it failed a couple days ago in the middle of an install. The gauge bounces between 200 and 2500 microns and will not stabilize. I’ve cleaned the sensor as per the instructions to no avail.Haven’t been able to get any help from Amazon. Ordered a different brand at my expense.
Chz hr
2025-04-27 17:22:36
This things it perfect for distillation. With this I was about to find my leaks in my system.
Big Dog
2025-04-25 11:21:17
Skip this one.
B Sisters 3
2025-04-24 11:39:23
It only displays this reading in all corresponding units - microns, Pa, mBar, mmHg. I have tried all sorts of stuff to get this to work and have not been able to use this since I got it. I should have just sent it back. Now I'm dealing directly with NAVAC to see if they'll correct this. Can't even get this on Amazon anymore. Hmm. I've heard they're good units. Just not mine.
Adam J Puccino
2025-02-17 12:10:53
They leak. With this unit isolated from anything, it will recover 100+ microns a second and continue until it's out of range.I RMA'd and they sent one out the next day. The replacement leaks almost as fast.Moving on to another brand.
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