19
Measuring the Integrated Illuminance
This instrument enables you to measure integrated illuminance (lx·h), integration time (h)
and average illuminance (lx).
1
Set the power switch to “O” (OFF) and push in the hold
button (HOLD).
2
Set the power switch to “I” (ON).
z
“0 lx” will appear in the display section.
3
Press the [
Σ
] key to switch the mode and make sure that “0.00
lx·h (0.000 fcd·h)” is displayed (or “0.000 h” in the case of
integration time display mode).
4
Place the receptor head in the desired measuring position.
5
Push out the hold button (RUN).
Measurement (integration) will start immediately after the
hold is canceled (i.e. the hold button is pushed out).
z
Each time the [Σ] key is pressed, the display
mode switches from one to another.
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