VOLTCRAFT IR-2200-50D USB Bedienungsanleitung Seite 29

To delete all saved readings in one go, proceed as follows:
1. While in LOG mode, press and hold the measuring key and select memory location "000" using
the button "▼".
2. Now press the button for backlight and laser. A signal tone sounds and the display changes to
memory location "001". All memory locations are now cleared and available again.
Setting the emissivity (EMS)
The measuring device is equipped with an emissivity setting. This allows you to obtain more accurate
results for different materials and surfaces (also see "Operating principle").
1. Press the measuring button to switch on the measuring device.
2. Press the "MODE" button until the emissivity symbol flashes in the display.
3. Use the " ▲" and "▼" buttons to adjust the emissivity to a value between 0.10 and 1.00 for the
object to be measured.
4. Press the measuring button to confirm your changes, or press the "MODE" button to move on to
the next setting option.
5. Your changes remain saved when the device is switched off.
You may also set the emissivity during measuring (while pressing and holding the
measuring key) by pressing the buttons "▲" or "▼".
See the table following the specifications in these operating instruction for common
materials and their corresponding emissivities.
Many organic materials have an emissivity of 0.95. Therefore, the factory emissivity
setting is 0.95. The emissivity of a surface may also be determined by the contact
temperature measurement function of the device. Measure the surface temperature
with the contact temperature measuring function. Change the infrared thermometer's
emissivity until the measured value corresponds to the value of the contact measurement
function. To achieve the most accurate values with the contact temperature measurement
function, a special K type surface temperature sensor is recommended (can be included
optionally). However, this is only required for extremely precise measurements.
Continuous measurement (LOCK)
The measuring device is equipped with a continuous measurement function for long-term
measurement.
1. Press the measuring button to switch on the measuring device.
2. Press the "MODE" button until the continuous measurement symbol flashes in the display.
3. Activate the continuous measurement function with the "
4. If you now press the measuring button, the continuous measuring function will be activated. The
measuring device now measures continuously until the measuring button is pressed again.
For continuous measurement operation, you may use the tripod as needed. The thread
for the tripod is on the underside of the handle. The legs of the tripod can be pulled out.
▲" and "▼" buttons (display "ON").
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