Data Sheet

8 Using the product
33
8.3 Bluetooth
testo 550s / testo 557s have the option of establishing a Bluetooth
®
connection
with wireless probes as well as a connection to the testo Smart App at the same
time.
If the testo 550s or testo 557s is used with Smart Probes, they must
be at least 20 cm apart.
8.3.1 Probes compatible with the instrument
Smart Probes
Order no. Designation
0560 2115 02
testo 115i
– clamp thermometer with smartphone
operation
0560 2605 02
testo 605i – thermohygrometer with smartphone
operation
0564 2552 01
testo 552i – vacuum Smart Probe
0560 1905
testo 905i – temperature probe with smartphone
operation
NTC probes
Order no. Designation
0613 1712
Robust air temperature probe (NTC)
0613 5505
Clamp probe (NTC) for temperature measurements on
pipes (Ø 6-35 mm), 1.5 m fixed cable
0613 5506
Clamp probe (NTC) for temperature measurements on
pipes (Ø 6-35 mm), 5 m fixed cable
0613 5507
2 x clamp probes (NTC) for temperature
measurements on pipes (Ø 6-35 mm), 1.5 m fixed
cable
0613 4611
Temperature probe with Velcro (NTC)
0613 5605
Pipe wrap probe (NTC), measuring range: -
50 to +120 °C
0613 1912
Waterproof surface temperature probe (NTC) for flat
surfaces, measuring range: -50 to +150 °C