FAQ

3
Can I use reachargeable batteries for the
Smart Probes?
Yes.
How long do the batteries last?
testo 115i: 150 hours
testo 405i: 15 hours
testo 410i: 130 hours
testo 510i: 150 hours
testo 549i: 150 hours
testo 605i: 150 hours
testo 805i: 30 hours
testo 905i: 150 hours
How do I connect the testo 549i?
A direct connection of the testo 549i to the pressure
connection is usually possible.
Should the pressure connection be difficult to access,
or if it has a different thread (e.g. R410A plants), we
recommend the following adapters:
Adapter 1:
Connector 1/4“ SAE
(7/16“ UNF) external thread
-
1/4“ SAE (7/16“ UNF)
external thread
Adapter 2:
Angle piece 90°,
1/4“ SAE (7/16“ UNF)
external thread 1/4“ SAE
(7/16“ UNF) internal thread
Adapter 3:
Connector
5/16“ SAE (7/16“ UNF)
external thread 3/8“ SAE
(5/8“ UNF) internal thread,
for R410A