User Manual

In “AVG“ display mode, the display of the measurement values saved for the

average value calculation can be selected by pressing the navigation keys (6).

Here, the additional symbol “AVG“ disappears, and the symbol [R] is display-

ed in the left bottom corner of the display.

• The mode “measurement with average value calculation“ is quit when pres-

sing the “AVG“ key (3).

The memorised data remain in the data memory, even if the instrument is

switched off. The data is only deleted once the “AVG“ mode is selected and

when starting a new measurement series.

• To display the average value again, the “Average Value“ mode has to be se-

lected using the “AVG“ key (3) and the display of the saved measurement se-

ries has to be selected using the “READ” key (9).

5.5 Luminous Intensity Measurement

The luminous intensity is calculated using the following formula:

Luminous intensity (cd) = illumination (Lx) x [distance(m)]Ç

This only applies if the light falls in right angle onto the illuminated surface.

• Press the “I” power key to turn on the meter.

• Press “lux/fc” key select the desired lux or fc unit.

• Remove the photo detector cap and face to light source in a horizontal posi-

tion.

• Press “cd” key to enter to luminous intensity measurement mode, the annun-

ciator “cd”

• Press the „Lux/fc“ (7) key to select m or ft.

• Measure the distance between sensor and light source.

• Press the navigation keys to set the distance between the “light center of lamp”

and “measurement base level”.

The preset maximum distance is 0.01 ~ 30.47m or 0.01 ~ 99.99ft

• Read the illuminance value from the LCD display.

• Press the “H” key, if the displayed value needs to be hold.

• Press “cd” or “lux/fc” key to exit this mode