testo 557s – the manifold with Bluetooth and 4-way valve block for commissioning, servicing and maintenance of refrigeration systems and heat pumps
- All results at a glance thanks to large graphic display
- Automatic Bluetooth connection: Simple, wireless vacuum and temperature measurement
- Fast and easy pressure value display in analogue look
- Robust housing with IP54 protection for maximum reliability in daily use
- All refrigerants always available: The App automatically updates the list.
- Test menu sequences for pressure leak test, vacuum, target superheat, and discharge line temperature
- Operating temperature -10 to +50 °C
- Storage temperature -20 to +60 °C
- Auto power off After 10 minutes when not connected via Bluetooth
- Bluetooth technology/ range Bluetooth® 5.0/150 m
- Measuring range -1 to 60 bar -50 to +150 °C
- Probe connections 3 x 7/16 – UNF + 1 x 5/8 – UNF 2 x plug-in (NTC)
