Refrigeration and air conditioning systems along with heat pumps are electrical systems and are therefore subject to electrical testing in some cases. Whether this involves multimeters, clamp meters, current testers or voltage testers – thanks to innovative technologies and simplified application, Testo’s measuring instruments measure electrical parameters safely and precisely.
testo 760 digital multimeter: Recognizes measurement parameters automatically
testo 770 clamp meter: Get a good grip on cables – even when things are tight
testo 750 voltage tester: Easy to read from any position
testo 755 current/voltage tester: A voltage tester that also measures current
testo 745 non-contact voltage tester: Filters high-frequency interference
One app for all measurements
The testo Smart app guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.
New Features:
PRO measuring programs to increase the efficiency of your applications
Multifunctional
Compatible with all Bluetooth-enabled Testo measuring devices.
Efficient
Reports can be sent directly via email.
Fast
All measured values at a glance.
Simple
Intuitive menus
Clever
Free to download, free to use (Base App)
NEW
PRO Measurement Programs (subscription required)
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
Download the exclusive practical guide for free now.
Understanding refrigeration systems
Evaluating refrigerants
Thermodynamics
Main components of the compression refrigeration circuit
Subcooling / Superheating
And much more ...
With the testo 558s, the system density can be assessed easily and reliably, thanks to the clear visualization of pressure values and temperature compensation.
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.
Make your work easy – with the testo 565i.
Fully automatic evacuations with auto-stop function and self-starting vacuum hold test.