Testo measuring instruments
Instruments for measuring pressure, temperature, and air velocity

Testo measuring instruments
Testo: Advanced Measurement Solutions in Refrigeration
Testo is a leading brand in the refrigeration instrumentation sector, offering a wide range of professional digital instruments designed to optimize efficiency and precision in the installation, maintenance and control of refrigeration and air conditioning systems.
🔹 Digital Manifolds
esto digital manifolds, such as the testo 570s model, are compact and robust instruments that allow you to simultaneously monitor key parameters such as pressure, temperature, superheat, and subcooling. Thanks to Bluetooth technology, these instruments can be controlled via the testo Smart app, facilitating documentation and data analysis directly in the field.
🔹 Vacuum Measuring Instruments
The testo 552i vacuum probe is designed for evacuating refrigeration systems, which is essential during commissioning or maintenance. Controlled via the testo Smart App, this probe offers precise measurement without the need for hoses, minimizing refrigerant losses.
🔹 Clamp Thermometers
The testo 115i clamp thermometer allows you to measure temperatures quickly and accurately. Compatible with the testo Smart App, it allows you to view and document data directly on your smartphone or tablet, making your work easier in the field.
🔹 Current Clamps
The testo 770-3 clamp meter is ideal for electrical diagnostics in refrigeration systems. Equipped with a fully retractable clamping jaw, it can be used even in confined spaces and can be controlled via the testo Smart App for efficient data management.
🔹 Complete Refrigeration Kits
Testo offers complete kits, such as the testo Smart Kit 550s, which include digital manifolds and wireless clamp temperature probes. These kits are designed to provide an all-in-one solution for measuring and documenting critical parameters in refrigeration and air conditioning systems.
With the integrated testo Smart App, Testo instruments offer remote control from up to 100 meters away, enabling efficient and documented management of operations. This combination of advanced hardware and intuitive software makes Testo an ideal choice for refrigeration professionals seeking precision, reliability, and ease of use.
Your one-stop shop for refrigeration
Omnia Frigo supplies thousands of refrigeration professionals in the main regions of northern Italy: Piedmont, in the provinces of Alessandria, Asti, Biella, Cuneo, Novara, Turin, Verbania and Vercelli; Liguria, in the provinces of Genoa, Imperia, La Spezia and Savona; and Valle d'Aosta.
The refrigeration system specialists

