Elitech Smart Digital Manifold Gauge DMG-4B, 3-Way HVAC Refrigerant Tester with Bluetooth, OTA Remote Upgrade, 140+ Refrigerants Support, R410A R134A R22, Advanced Modes Expandable via App
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Jun 2
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Color: 4B: App & 4-in-1 Modes
Features
- [PRECISION PT MEASUREMENT] Get professional-grade accuracy with 1% FS precision across a -14 to 800 psi range. The built-in Pressure-Temperature (PT) mode provides real-time evaporation and condensation temperature readings for high and low-pressure sides.
- [140+ REFRIGERANTS & CLOUD UPDATE] Access 18 built-in refrigerants including R410A, R134a, and R22. Use the "Elitech Tools" App to update and synchronize over 140 customized refrigerant types to your device for fast, calculation-free service.
- [OTA REMOTE FIRMWARE UPGRADE] Future-proof your tool with Elitechs OTA technology. Connect via Bluetooth to the App to remotely upgrade your devices firmware, ensuring you always have the latest features and improved user experience.
- [RUGGED DESIGN & 200H BATTERY LIFE] Built for the field with a high-visibility LCD, built-in sight glass, and 1/4 SAE ports. Powered by 2 replaceable AAA batteries, it offers an ultra-long runtime of up to 200 hours for extended on-site work.
- [ADVANCED MODES & ECO-SYSTEM EXPANSION] Standard PT mode is included for immediate use. Advanced modes (Pressure Holding, Vacuum, and Data Recording) require a one-time App purchase. Pair with wireless temperature clamps (sold separately) for real-time SH/SC diagnostics.
Brand: Elitech
Material: Metal, Plastic
Item dimensions L x W x H: 4.33 x 2.95 x 5.31 inches
Item Weight: 680 Grams
Number of Items: 1
Brand Name: Elitech
Part Number: DMG-4B_US
Warranty Description: 1 year
Manufacturer: Elitech
Model: DMG-4B_US
Item Type Name: Digital Manifold Gauge
Unit Count: 1.0 Count
Included Components: 1 x Digital Manifold Gauge,1 x Bag
Material Type: Metal, Plastic
Item Dimensions: 4.33 x 2.95 x 5.31 inches
Item Weight: 680 Grams
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jun 2
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: 4B: App & 4-in-1 Modes
All I can say is, It just works. Feels heavy duty in your hands. I bought the previous model and it worked great but the casing was so cheap and it cracked all over. It still works but it's zip tied and gorilla glued. I use them daily working. This new model is a game changer. Yeah, to get an the features, you have to buy them they the app. But, it's cheap and a one time expense. I love it. It's so nice to have my phone connected and walk away and can watch my pressures. For $99. And I caught it in a bundle with a leak detector that works fantastic too..... I'm thankful. You won't regret this one. Has an awesome caring case too.
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Reviewed in the United States on July 24, 2023 by brother joe
Color: 4B: App & 4-in-1 Modes
its pretty accurate. the hook comes loose easy came off first time using it but you can use thread lock and reattach it. a great introduction to digital. it does not come with hoses so you will need to buy a set. and it will take a little bit learning also it will hold pressure in the lines you will need to vent the pressure before you zero it out (do so everytime before use for better accuracy) other than that its a accurate product
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Reviewed in the United States on May 26, 2024 by Thomas Lowery
Color: 4B: App & 4-in-1 Modes
So far so good feeling a lot better about doing refrigerant work with this device
Reviewed in the United States on May 14, 2026 by Tev
Color: 4B: App & 4-in-1 Modes
Better than regular style garages, it's a game changer. Very easy to use. And very accurate. I would highly recommend them.
Reviewed in the United States on July 10, 2025 by Timothy J. Kriner
Color: 4B: App & 4-in-1 Modes
Great manifold, compact and efficient.
Reviewed in the United States on September 10, 2025 by R.B.
Color: 4B: App & 4-in-1 Modes
Cant ask for more as far as ease of use and compact design. Runs smooth, has just enough features for day to day repairs, I like the auto shut off, unlike my testos which will die if you forget to turn them off. As far as durability, the transducer started leaking internally after a few months. I always took care of them and never presurized it more than 400 psi. Their website says they provide a year warranty. Did the claim, and they will be sending me a replacement! I will keep on promoting this brand.
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Reviewed in the United States on November 9, 2023 by Mikhail T.
Color: 4B: App & 4-in-1 Modes
They work. Great job on sturdy construction and reliability. Not so hot on the blue tooth range LoL. I'm here. Lol. But I can lean against the cool stucco under the shade of their missing soffit and calculate my shsc. I wish they could firmware update to accept remote line temp clamps. Then it would be perfect. But at this price? I'll take awesome. They are awesome. My rig has been on about 587 units as of now (editing my review 7/2024), I've had them. Battery changed once as of 07/2024, and that's nice. case handles oil fine. They're nice gauges. I'm looking to buy the LMG-10W now. Elitech rocks!
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Reviewed in the United States on May 19, 2023 by Swflacguy
Color: 4B: App & 4-in-1 Modes
This seemed like it would be useful because of its size, I’ve purchased the step up from this one, one from elitech and one from Amazon, TWICE and they’ve both broken. Thought with the compact design of this unit, it would be more durable. I was wrong. I’ve babied this thing for the short time I’ve had it (1 month) and it’s not working. I used it inside a walk-in cooler and I guess the moisture inside the box was too much for this thing. It didn’t even get wet directly and now the screen shows the backlight but does not display anything. Asking for a return. This is an HVAC manifold, sometimes it rains on top of roofs…. Can’t imagine it would survive against even one stray drop of water. This is just some Chinese garbage that’s been rebranded. Don’t waste your money buying manifolds from Elitech.
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Reviewed in the United States on June 21, 2023 by Daniel Duffy