8 Tips and assistance
20
8.2.
Calibration interval
Testo recommends that calibration of the measuring instrument is
carried out once a year by Testo Customer Service or a service
centre authorised by Testo.
8.3.
Accessories and spare parts
Description
Article no.
testo 315-3 without Bluetooth
®
(incl. micro USB
mains unit, cable USB A - USB micro B)
0632 3153
testo 315-3 with Bluetooth
®
(incl. micro USB
mains unit, cable USB A - USB micro B)
0632 3154
Temperature/humidity module
0636 9725
Topsafe
0516 0223
USB mains unit inc. cable
0554 1105
Basic printer
0554 0549
Spare printer paper (6 rolls)
0554 0568
Control and calibration set for humidity sensors
(11.3 %RH and 75.3 %RH)
0554 0660
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