User Manual

5.4 Point Average Measurement

Illuminance is a measurement of the amount of visible light incident upon a pres-

cribed surface area.

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

If the unit “cd“ is displayed on the screen, change to luminous intensity mea-

surement using the “cd“ key (5). After the change-over, the unit “Ix“ is dis-

played on the screen.

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

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

horizontal position.

• Read the illuminance value from the LCD display.

• Press “AVG” key to enter to point illuminance value average function, the an-

nunciator “AVG” is displayed.

The maximum measurement is 99 points,

• Press “MEM” key each time, stores one measured point value to memory. The

annunciator “AVG NO.XX” is displayed.

• Press “READ” key to cycle through perform the point average compute, the

second annunciator “ AVG ” is displayed,

• When pressing the “READ“ key (9) again, the average value display is swit-

ched off.

• Further measurement values may now be saved in addition to the average

value calculation, as described above.

Even during average value display, it is possible to save further new measu-

rement values. The display indicates the respectively newly calculated ave-

rage value.