Data Sheet
Table Of Contents
- 1 About this document
- 2 Safety and disposal
- 3 Product-specific approvals
- 4 Product-specific information
- 5 Use
- 6 Product description
- 7 First steps
- 8 Using the product
- 9 Smart App
- 10 Maintenance
- 11 Technical data
- 12 Tips and assistance
- 13 Support
6 Product description
8
6 Product description
6.1 Overview of the testo 550s
1
Mini-DIN probe socket for NTC
temperature probe, with socket
cover
2
Foldable suspension device
(rear).
3
Display. Instrument status icons 4
Rear
•
Battery compartment
•
Mini USB port for firmware
update
It is not possible to charge
rechargeable batteries in the
instrument.
5
Control keys
6
Sight glass for refrigerant flow
7
2 x valve positioner 8
3 x hose bracket for refrigerant
hoses
9
3 x connections 7/16" UNF, brass
Left/right: Low/high pressure for
refrigerant hoses with quick