IM 51011-01EN
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7. Average Illuminance (AVG Key)
This function is available on Model 51021.
The average illuminance can be calculated using the 4-point or
5-point method.
(See chapter 3, “Normal Illuminance Measurement.”)
The meter can save the measured values of up to five
measurement points.
When the measurement of all the points is complete, the meter
calculates the average illuminance and displays the result.
Measuring
1.
Press
AVG
.
[AVG MEMO -] appears.
2.
In accordance with the description in chapter 22, “Illuminance
Measurement Method,” measure the illuminance of location 1,
and press 1.
The measured value is stored.
Location number:
1 2 3 4
(4-point method)
1 2 3 4 C
(5-point method)
3.
Repeat step 2 at each of the locations.
For the 5-point method, measure the illuminance at the center
of the room (median point), and press
C
.
(You can measure the locations in any order.)
The display shows the numbers of the locations in which values
are stored after [AVG MEMO -].
If you press a number key for a location in which a value is
stored, the value will be overwritten.
If you hold down a number key for a location in which a value
is stored for more than 1 second, the value is deleted, and the
location number disappears from the display.
Summary of Contents for 51011
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