8 Tips and assistance
18
Question
Possible causes/solutions
Can humidity,
temperature and dew
point measurements
be carried out?
Humidity, temperature and dew point
measurements are possible with the
temperature/humidity module
(accessory).
The display
illumination remains
on after the
instrument has been
switched off
The display illumination goes out as
soon as the instrument has shut down.
While the display is illuminated, the
instrument cannot be switched on.
If we could not answer your question or the solutions given during
troubleshooting did not help: please contact your local dealer or the
Testo Customer Service. For contact data, see the back of this
document or website
www.testo.com/service-contact
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 authorized by Testo.
8.3.
Accessories and spare parts
Description
Article no.
testo 315-4 (including micro USB mains unit,
cable USB A - USB micro B)
0632 3155
Temperature/humidity module
0636 9725
Topsafe
0516 0221
USB mains unit including 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
Содержание 315-4
Страница 1: ...testo 315 4 CO ambient measuring instrument Instruction manual ...
Страница 2: ...2 ...
Страница 19: ......
Страница 20: ...0970 3154 en 01 V 01 00 ...