Using The Product - testo 810 Manual De Instrucciones

18 Using the product

Using the product
ã Switching the instrument on:
> Press .
- Measuring mode is opened.
ã Switching the display light on:
3 The instrument is switched on.
> Press .
- The display light goes out automatically if no key is
pressed for 10 seconds.
ã IR measurements:
Laser radiation! Do not look into the laser beam.
Laser class 2.
To ensure correct readings:
· Keep temperature and humidity sources which may falsify the
measurement (e.g. hands) away from the sensor.
· Keep the lens clean and do not measure with foggy lenses.
· Keep the measuring range (the range between the instrument and the
object being measured) and the surface of the object free of obstacles.
There must be no particles of dust or dirt, no humidity (rain, steam) and
no gases.
· If the ambient temperature changes (change of location, e.g.
measurement indoors/outdoors), the instrument must be allowed to
equalise for aprox. 15 minutes.
· The instrument has a lens (90 % value) of 6:1 (distance : measuring
surface) + Opening diameter of the sensor (10mm / 0.39 in):
Distance Diameter of meas. surface
10cm 3cm
60cm 11cm
100cm 18cm
200cm 35cm
> Press and hold .
- flashes in the display. The laser dot marks the centre
of the measuring surface. - When IR measurement has been completed (release
the instrument changes to the
Distance Diameter of meas. surface
4 in 1.06 in
25 in 4.56 in
40 in 7.06 in
80 in 13.72 in
),
Hold display view and the
readings are held.
ã Changing the display view:
Adjustable views
·
Hold: Readings are held.
· Max: Maximum values since the instrument was last switched on or last reset.
· Min: Minimum values since the instrument was last switched on or last reset.
> Press several times until the desired view appears.
ã Resetting Max/Min values:
1 Press several times until the desired view appears.
- - - -
2 Press and hold until
3 Repeat steps 1 and 2 for all values that are to be reset.
ã Switching the instrument off:
> Press and hold until the display goes out.
Using the product
19
appears.