RRP: £550.00 …   OUR PRICE: £400.00 Inc VAT and Free Delivery

The Testo 557 digital manifold with a four-way valve block combines a variety of functions required for working on refrigeration systems and heat pumps in one easy-to-use instrument. Compatible with a wide range of refrigerants and Bluetooth-ready, the 557 includes superheating/sub-cooling calculation, vacuum measurement, and temperature-compensated leakage test.

Product Features
Bluetooth app connectivity makes managing jobs easy
Precise external probe for reliable performance
Robust design and convenient operation
Measures of low and high pressure and calculates temperatures
Simultaneous calculation of superheating and sub-cooling in real-time
60 refrigerants stored in the instrument