7
and,1footcandle=10.76Lux..
Ⅴ
OPERATING INSTRUCTIONS
1. Power-up: Press the power key to turn the meter ON or
OFF.
2. Selecting the Lux or FC scale: Set the range selection
switch to desired Lux or FC range.
3. Remove the photo detector cap and face it light source
in a horizontal position.
4. Read the illuminance nominal from the LCD display.
5. Over range: If the instrument only displays “OL”, the
input signal is too strong, and a higher range should be
Auto selected.
6. Data-Hold mode: Press the hold key to select Data-Hold
mode. When HOLD mode is selected, the illuminance
meter stops all further measurements. Press the HOLD
key again to exit Data-Hold mode. Then it resumes
normal operation.
7. Peak-Hold recorder mode: Press and hold down PEAK
key until display shown the “CAL” letter, then press
PEAK key cycle through Pmax and Pmin recorder mode,
and expose the photo detector to light pulse measuring
Summary of Contents for 1309
Page 15: ...15 ...
