Elma Instruments 1335 Bedienungsanleitung Seite 21

IV Name Of Parts and Positions
1. LCD Display: 3-3/4 digit displays with
a maximum reading of 3999 , and the
indicating signs of measured values,
unit function symbols, and decimal
points etc are display.
2. Power Control key: The power switch
key turns the illuminance meter ON
or OFF.
3. Range Selector key: It indicates 40.00
lux, 400.0 lux, 4000 lux, 40.00 Klux
400.0 klux/40.00 fc, 400.0 fc, 4000 fc,
40.00 Kfc total 5 range for lux and 4
range for fc.
4. Data-Hold key: Data Hold control key.
5. Peak Hold key: Peak Hold recorder
control key.
6. MX/MN key: Maximum and Minimum reading recorder control key.
7. Lux key: Pressing the Lux key selects taking measurement of illuminance in lux
scale.
8. Relative Reading key: Relative reading control key.
9. fc key: Pressing the fc key selects taking measurement of illuminance in footcandle
scale; and, 1 footcandle=10.76 lux.
10. Photo Detector.
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 sourse in a horizontal position
4. Read the illuminance nominal from the LCD display.
5. Overange: If the instrument only display "OL", the input signal is too strong, and
a higher range should be 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 PEAK key to enter P+ recorder mode, and expose
the photo detector to light pulse measuring field. Press PEAK key again to exit PEAK
recorder mode, then the meter will return to normal position.
8. Maximum and Minimum recorder mode: Press MX/MN key to cycle through
Maximum (MX) reading, Minimum (MN) reading and current reading (MX/MN blink)
recorder mode. Press MX/MN key two seconds to exit this mode.
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