The pipeline is not connected, but the device shows pressure readings(not 0), even negative readings. What should I do?

Recalibrate the product by the zero calibration function.

Why is the app connection unsuccessful?

1. Does not have Bluetooth turned on.

Why does the device display '-----' instead of refrigerant type data?

All data for over 140 refrigerant types is stored in the app, not in the device itself. The device will only display the data when you select and update the commonly used list (18 types). Otherwise, you can only view the data within the app.

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Description

🔧 Elevate your HVAC game with smart precision and effortless updates!

ALWAYS UP TO DATE - Seamlessly upgrade firmware remotely via OTA to stay ahead in the field.
REAL TIME INSIGHTS - Monitor and analyze pressure data live with the Elitech Tools app via Bluetooth.
BUILT FOR THE FIELD - Compact, drop-proof design with 200 hours of battery life ensures durability and portability on every job.
REFRIGERANT MASTERY - Access and update data for over 140 refrigerants instantly through the app—no more manual calculations.
PRECISION YOU CAN TRUST - Digital sensors deliver highly accurate subcooling and superheat readings for professional results.

The Elitech DMG-4B Smart Digital Manifold Gauge combines advanced digital sensors with Bluetooth connectivity and OTA firmware upgrades, supporting over 140 refrigerants for precise, real-time HVAC diagnostics. Its rugged, portable design and long battery life make it an essential tool for professionals seeking accuracy and efficiency in the field.

Specifications

Manufacturer	Elitech
Brand	Elitech
Model	DMG-4B
Product Dimensions	11 x 7.5 x 13.5 cm; 680 g
Batteries	2 AAA batteries required. (included)
Item model number	DMG-4B_US
Exterior	Chrome
Manufacturer Part Number	DMG-4B_US
Material	Plastic
Colour	Gauge Only
Assembly Required	No
Manufacturer	Elitech
Country of Origin	China
Item Weight	680 g

Reviews

A**R

No value for money

Display is very small, black n white Display, otherwise okay but not worthfull, go for another option.

11.07.2025

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Excellent communication throughout the order process. Product is perfect.

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