Operation Manual

Fig. 5.50: Illumination measurement menu

Connect the luxmeter probe to the instrument.

Step 2 Set the following limit value:

- Low limit illumination value

Step 3 Turn on the luxmeter probe (ON/OFF key, green LED is lit). Position the luxmeter probe

in such a way that the measured light falls in parallel onto the light sensor. Follow the

connectiondiagramshowningure5.51toperformilluminationmeasurement.Usethe

Help function if necessary.

Fig. 5.51: Correct luxmeter probe positioning

Step 4 Check the displayed warnings before starting measurement. If OK, press the TEST key

to start the measurement. Actual measuring result with PASS/FAIL indication (if appli-

cable) is shown on the display during measurement.

To stop measurement at any time press the TEST key again. The last measured result is

displayed, together with the PASS/FAIL indication (if applicable).

Fig. 5.52: Example of illumination measurement result

Displayed results:

E: Illumination

Save displayed results for documentation purposes. Refer to chapter 6.1 for further information on

setting functions and saving of measurement results. (BENNING IT 120 B only).

Note:

- Shadow and irregular incidence affect the measurement result!