INSTRUCTION MANUAL
Light Meter
TABLET OF CONTENTS
TITLE
1.
FEATURES
2.
SPECIFICATIONS
3.
PANEL DESCRIPTION
4.
OPERATING INSTRUCTION
5.
BATTERY REPLACEMENT
1.
FEATURES
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Easy to use with pock size and light weight
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3 1/2 digital LCD display with LUX, fc, LOBAT, MAX, HOLD indication
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Accurately display light level in terms of Foot Candles (Fc) or Lux over wide
range.
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Measures from 0 to 50000 Lux/ Fc in four ranges with resolution 0.1Lux/Fc .
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Max Hold and Data Hold
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Auto power off
2. SPECIFICATIONS
Display:
1999 counts LCD display with LUX, fc, LOBAT, MAX, HOLD indication
Polarity:
Automatic, (-) negative polarity indication.
Over-range:
“1” mark indication.
Low battery indication:
The “BAT” is displayed when the battery voltage drops below the
operating level.
Measurement rate:
1.5 times per second, nominal.
Storage temperature:
-10
o
C to 60
o
C (14
o
F to 140
o
F) at < 80 % relative humidity
Auto Power Off:
Meter automatically shuts down after approx .15 minutes of
inactivity.
Power:
One standard 12V, A23 battery.
Dimensions/Wt.:
188 (H) x 64.5 (W) x 24.5 (D) mm/160g
Photo Detector Dimensions/Wt.:
115 X 60 X 27 mm/80g
Light
Measuring Range:
200, 2000, 20000, 50000 Lux/fc (1Fc=10.76 Lux)
Accuracy:
+ 5% rdg + 10dgts (< 10,000Lux/fc)
Accuracy:
+ 10% rdg + 10dgts (> 10,000Lux/fc)
(20,000lux range reading x10, 50,000lux range reading x100)
Overrate Display:
Highest digit of “1” is displayed.
(calibrated to standard incandescent lamp at color temperature 2856 k).
Repeatability:
+ 2%.
Temperature Characteristic:
+0.1% /
o
C.
Photo detector:
One silicon photo diode with filter.
3.
PANEL DESCRIPTION
1.
LCD display:
1999 counts LCD display with LUX, fc, LOBAT, MAX, HOLD
indication
2.
Power /function /range switch:
Turn power ON or OFF and select
measurement function and ranges.
3.
Photo Detector:
long life silicon photo diode inside
4.
MAX. HOLD:
If you press the MAX. button, the maximum reading will be held.
Press once again the button, will release the hold and allow a
further measurement.
