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)
Manufacturers Code: 0564 5571 02 testo 557s Smart Vacuum Set - Wireless Vacuum & Temp Probes
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- Manufacturers Code: 0564 5571 02
testo 557s Smart Vacuum Set - Wireless Vacuum & Temp Probes Downloads
Data Sheet