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35
3.8 INTEGRAL ILLUMINANCE MEASUREMENT
(lxh/fch MODE)
Press the [lx h] switch to enter Integral illuminance mode. In this mode, Integral
illuminance and integral time appear.
When you select fc mode, the unit of fch is used in integral illuminance mode.
Start of integration
1
Push the [lxh] switch to shift to the lxh mode.
2
Push the [INV.] switch.
3
Push the [START/STOP]([SET]) switch, then integration will start.
Example: Irradiation 1388lx Example: Integration time one hour
The display alternately shows the integral illuminance and integration time at 2-
second intervals.
Even after switching to another measurement mode, the integration is
continued. If the [lxh] switch is pushed again, then an integral illuminance is
displayed.
It is not possible to change the C.C.F. value during integration.
Memo
Memo
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