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Pressure gauges

Alongside temperature, pressure is one of the most important measurement parameters. Whether absolute pressure, differential pressure or relative pressure - Testo offers the ideal electronic or digital pressure measuring instrument for every measurement requirement involving the pressure parameter.

The Testo digital pressure gauge offers you the following

  • State-of-the-art technology for more efficient pressure measurement.

  • Digital pressure gauge for high-precision measurement of all important pressure types.

  • Smart manometers with practical App: simply connect the measuring instrument to a smartphone/tablet.

  • Fast pressure measurement even in poor ambient conditions or in difficult-to-access places.

Pressure gauge from Testo for more efficient measurement

Discover our variety of products.

Wherever you want to measure: Testo pressure gauges

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Tips & tricks

Carry out measuring tasks on heating systems efficiently and safely

Download the exclusive practical guide for free now.

To download

Checking the gas connection pressure

Setting the gas-air ratio

Preparing the flue gas analyzer

Determining the flue gas loss

Calculating the efficiency (η)

And much more ...

How to make pressure measurement even more reliable: professional tips from Testo

Leaky gas or water pipes can lead to damage or accidents which can be avoided with regular pressure measurement. However, pressure measurement also helps to avoid damage on refrigeration and ventilation systems, burners or compressed air systems, or to detect it at an early stage. Testo offers you the ideal pressure measuring instrument for every application – and important professional tips to help you carry out pressure measurement even faster and more precisely with your optimum manometer:

Do you want to measure even more?

More manometers from Testo


testo 511

Absolute pressure meter

Small, handy, practical and at the same time highly precise.


testo 510 Set

Differential pressure measuring device

In addition, measures volume flow in ventilation ducts too.

World innovation

testo 598


Digital pressure gauge which also analyzes and saves – optimized for smartphone/tablet App.

Refrigerant scales

Fully automatic and precise charging of refrigeration systems and heat pumps.


testo 552i

Vacuum gauge

High-precision manometers - for the reliable evacuation of refrigeration systems.


testo 324

Pressure and leakage measuring instrument

Measures all prescribed pressures and leakage quantities.


testo 549i

High pressure gauge

For service and troubleshooting on air conditioning and refrigeration systems, as well as for installing them.


testo 176 P1

Pressure data logger

Detailed monitoring of pressure and other values.

Pressure measurement is not everything. It is often more practical to have a multifunction measuring instrument to hand in order to enable fast and simple measurement of all the important parameters required for an operation. Even if the manometer needs to be digital! With Testo, you always have the right measuring instrument for pressure measurement and other important measurement parameters at your side.

testo Smart App

One App for all applications.

The testo Smart App guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.

Now new:

PRO measuring programs for increasing the efficiency of your applications

Find out more


Compatible with all Bluetooth-enabled Testo measuring instruments


Direct report dispatch by e-mail


All measurement values at a glance


Intuitive measurement menus


Free download, free use


PRO measuring programs