Performing Settings - testo 835 Manual De Instrucciones

20
8. Settings

8.1 Performing settings

- The instrument is switched on.
1 Open settings mode with [
- A box appears around the selected function.
2 Select the required function with [
3 Perform settings with [
Functions
Backlight : set the intensity of the display illumination.
Laser: switch the laser on/off for measurement spot marking.
Beeper: switch the beeper on/off.
Continual: switch continual IR measurement on/off.
Unit: set the temperature unit.
Emissivity : set the emission level (also see chapter 8.2). This function can also be
opened directly from the measurement view with
Memory: manage the memory (also see chapter 8.3).
Alarm: set alarm thresholds (also see chapter 8.4).
Calendar: set the date and time. When measurement data is saved, it is given a date and
time stamp.
Language: set the user interface language (also see chapter 6.2).
Reset : reset to factory settings.
Information: display instrument information.
8.2 Details: Emissivity
The emission level can be set in three different ways.
Emissivity function is opened.
- The
Select material
Select a material (with allocated typical emission level) from the list with [
apply the selection with [
Customise manual
1 Use [ ] to select Customise manual and open the function with [
2 Set the emission level with [
Customise automatic
A connected contact probe or a separate contact thermometer is required. The
emission level is calculated via a comparison of the measured surface
temperatures (contact measurement and IR measurement).
Automatic calculation is not possible if the temperature difference between the
measurement object and the surrounding environment is too low or the infrared
reading is higher than the contact reading: - - - is displayed and the previously set
value is retained.
1 Use [
- If a contact probe (thermocouple type K, class 1) is connected, the surface
temperature measured via the thermocouple (T
] and apply with [
] .
] to select Customise automatic and open the function with [
] .
] and open with [
]:
e
[
] and apply this setting with [
TC
8. Settings
].
]
.
].
) is displayed. If no contact
] and
].
] .