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Refrigeration technology

Checking the refrigeration circuit

Regular and accurate checking of the refrigeration circuit is an essential part of ensuring the safe and efficient operation of a refrigeration system. This ensures that all components are working properly and that there are no leaks, pressure drops or contaminants affecting the refrigerant circuit. This keeps the system running efficiently and optimizes energy consumption.

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The digital manifolds in use

Thanks to the large colour display and wireless connection to the probes, all important parameters are visible at a glance. The 30-minute trend curves also ensure even more reliable analysis.

With the testo 558s, the system density can be assessed easily and reliably, thanks to the clear visualization of pressure values and temperature compensation.

The Testo starter kits

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

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Multifunctional

Compatible with all Bluetooth-enabled Testo measuring instruments

Efficient

Direct report dispatch by e-mail

Fast

All measurement values at a glance

Easy

Intuitive measurement menus

Clever

Free download, free use

NEW

PRO measuring programs

Other applications

Vacuum gauges

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Evacuating/vacuum measurement

Fully automatic evacuation and high-precision pressure measurement

Refrigerant scales

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Charging

Automatic and precise charging according to target value

Electrical measuring instruments

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Electrical testing

Safe testing of all electrical parameters of equipment and components

Leak detectors

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Leakage testing/tightness test

Reliable detection of the smallest leaks for all common refrigerants

Thermometers

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Temperature measurement

Flexible temperature measurement of components and ambient air

All about refrigeration measuring technology

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What’s new?

Measurement technology for heat pumps

With a digital manifold, you carry out the commissioning and servicing of heat pumps quickly, flexibly and precisely. The intuitive touchscreen, the clear visualization of the readings and the Bluetooth connection to the probes and testo Smart App all make measurement and documentation easier.

  • Pressure and temperature testing

  • Controlled refrigerant service

  • Easy tightness testing and evacuation

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Practical guide

Refrigeration knowledge in three modules

Download the exclusive practical guide for free now.

To download

Understanding refrigeration systems

Evaluating refrigerants

Thermodynamics

Main components of the compression refrigeration circuit

Subcooling / Superheating

And much more ...

HVAC/R magazine

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More news, more tools: In our free HVAC/R magazine, you can find out all about the major technological trends in the industry, get valuable professional tips and exciting insights into the testo Smart World.

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Trend radar:
Technologies of the future

New, smart refrigeration portfolio

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The smartest manifold of all time

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