INSTRUCTION MANUAL Installation Directions

2014-09-27

: Pdf 99318-Installationsheet 99318-InstallationSheet 601986 Batch8 unilog

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INSTRUCTION MANUAL
Model 59150 Light Meter
TABLET OF CONTENTS
TITLE
1.
FEATURES
2.
SPECIFICATIONS
3.
PANEL DESCRIPTION
4.
OPERATING INSTRUCTION
5.
BATTERY REPLACEMENT

1.

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2.

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%.
o
Temperature Characteristic: +0.1% / C.
Photo detector: One silicon photo diode with filter.

3.

PANEL DESCRIPTION

FEATURES
Easy to use with pock size and light weight
3 1/2 digital LCD display with LUX, fc, LOBAT, MAX, HOLD indication
Accurately display light level in terms of Foot Candles (Fc) or Lux over wide
range.
Measures from 0 to 50000 Lux/ Fc in four ranges with resolution 0.1Lux/Fc .
Max Hold and Data Hold
Auto power off

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.
o
o
o
o
Storage temperature: -10 C to 60 C (14 F to 140 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

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.

5. DATA HOLD: The reading will be held when Data Hold button Switch is pressed.
If the button Switch is pressed once again, will release the hold
and allow a further measurement.
6. Function button: Selects measurement functions of Lux or fc

4.

OPERATING INSTRUCTION

Measuring Light
1. Turn the power/function/range switch to select the range to desired (x1 lux/fc ,
x10lux/fc, x100lux/fc ) range.
2. Remove the photo detector to light source in a horizontal position.
3. Read the luminance nominal from the LCD display.
4. Over-range: If the instrument only display one “1” in the M.S.D. the input signal is
too strong, and a higher range should be selected.
5. When the measurement is completed. Replace the photo detector from the light
source.
6. Spectral sensitivity characteristic: To the detector, the applied photo diode with
filters makes the spectral sensitivity characteristic almost meet C.I.E. (International
Commission on Illumination) photopia curve V (λ) as the following chart
described.
100% (Relative Sensitivity)

Spectral Sensitivity

80%
60%
40%
20%
0

V(λ )

400

500

600
Wavelength (nm)

700

7. Recommended Illumination:
Locations
*Office
Conference, Reception room.
Clerical work
Typing drafting
*Factory
Packing work, Entrance passage
Visual work at production line
Inspection work
Electronic parts assembly line
*Hotel
Public room, Cloakroom
Reception, Cashier
*Store
Indoors Stairs Corridor
Show window, Packing table
Forefront of show window
*Hospital
Sickroom, Warehouse
Medical Examination room
Operating room
Emergency Treatment
*School
Auditorium, Indoor Gymnasium
Class room
Laboratory Library Drafting room

Lux
200～750
700～1,500
1000～2,000
150～300
300～750
750～1,500
1500～3,000
100～200
200～1,000
150～200
750～1,500
1500 ～3,000
100～200
300～750
750～1,500
100～300
200～750
500～1,500

5. BATTERY REPLACEMENT
If the sign “BAT” appears on the LCD display, it indicates that the battery should be
replaced. Open the battery case and replace the exhausted battery with new battery. (1
x 12V battery, A23 or equivalent )
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