The Testo 550s is a professional smart digital manifold kit for HVAC technicians. It connects wirelessly to the Testo Smart app, allowing you to measure, document, and analyse refrigerant data directly from your smartphone. The kit includes wireless clamp temperature probes for fast and accurate superheat and subcooling measurements.
Key Features
Smart app connectivity – connects to the Testo Smart app via Bluetooth
Wireless clamp temperature probes – included for superheat and subcooling measurement
Works with all common refrigerants
Digital precision – accurate pressure and temperature readings
Professional-grade build – designed for HVAC service and commissioning
