EA33-en-GB_v2.5 7/18
4
MODE 2 Elapsed Timer with Hold
In this mode, measurements are made while the countdown timer is running. When the timer
reaches zero, the last measurement is held on the display (see diagram).
1. Press the SET key; SEt 01 will display.
2. Press the down arrow key to change to the SEt 02 parameter.
-
3. Press the ENTER key to call up the timer.
4. Use the up/down arrow keys to set the desired seconds.
5. Press the ENTER key to program the number of minutes.
6. Use the up/down arrow keys to set the minutes.
7. Press the ENTER key to start the countdown timer. When the timer
counts down, the last reading will be held on the display.
8. Press the ENTER key to exit this mode.
MODE 3 - Real Time Clock Setting
1.
2. Press the d
right of the LCD.
3.
4.
5. Repeat the previous two steps for the minutes , hours , and day settings.
6. Press the ENTER key when finished.
7. Use the TIME key to toggle between minutes-seconds (m-s) and day-hour (D-H) views.
MODE 4 - Integral Illuminance Mode
Integral Illuminance is a luminous energy measurement based on the rate of flow of flux (expressed
in lumen-seconds). The Model EA33 can also measure any photometric quantity on a time
dependent basis. For example, the illuminance could be integrated over time to yield lux-hours (lx-h)
or foot candle-hours (fc-h).
1. Press th
SEt 0
2.
.
3. Press the ENTER key to start the Integral Illuminance
measurement. The meter will set the first measurement as a
reference.
-
-
appear and the timer
will start (the cycle number appears on the lower left of the LCD).
4. If measurements exceed the reference value, the display will
Note that the timer will also
halt.
5. The maximum indication of integral illuminance is 999999. When
this maximum is exceeded, the integration number (Cycle no. at
lower left of LCD) can be checked. The maximum number of
integration cycles is 99.
6. Press the ENTER key to exit this mode of operation.
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