RS RS-01 Manuel utilisateur
RS Light Meter
RS-01
INSTRUCTION MANUAL
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CONTENTS
Title Page
1. INTRODUCTION ......................................................... 1
2. FEATURES.................................................................. 1
3. SPECIFICATIONS....................................................... 2
4. NAME OF PARTS AND POSITIONS.......................... 3
5. OPERATING INSTRUCTIONS ................................... 4
6. BATTERY CHECK ＆REPLACEMENT..................... 9
7. SPECTRAL SENSITIVITY CHARACTERISTICS..... 10
8. MAINTENANCE ........................................................ 11
9. RECOMMENDED ILLUMINATION ........................... 11
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The RS-01 digital illuminance meter is a portable
precision instrument used to measure illuminance（lux,
footcandle）in the field.
It meets the CIE photopic spectral response, f ’1≦6%.
It is fully cosine corrected for the angular incidence of light.
The illuminance meter is compact, robust and easy to
operate due to its construction.
The light sensitive components used in the meter are a
very stable, long-life silicon photodiode and spectral
response filter.
U.S. Pat. No. 446,135
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Dual display, 4 digit LCD readout.
Spectral sensitivity close to CIE photopic curve.
Measuring levels: 0.01 lux to 50.00 klux, 0.001 fc to
5.000 kfc, in 4 ranges.
Accurate and instant response.
Luminous intensity measurement.
Data-hold function.
Data memorize and read function.
Point-average function.
Auto power-off function.
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•Display：Dual display, 4 digit LCD readout.
•Measuring range：50.00 lux, 500.0 lux, 5000 lux,
50.00 klux, (Autoranging 4 step) /
5.000 fc, 50.00 fc, 500.0 fc, 5000 fc
Note: 1fc =10.76 lux.
•Overrange display：LCD will show “OL” symbol.
•Spectral response : CIE Photopic. (CIE = human eye
response curve).
•Spectral accuracy : CIE Vλfunction f ’1≦6%
•Cosine response : f ’2≦2%
•Accuracy：± 3%rdg ±5digits (@23℃±5℃)
(Calibrated to standard incandescent lamp at a colour
temperature of 2856 K）
•Temperature characteristics：± 0.1%/℃.
•Sampling rate: 5 times/sec.
•Photo detector：Silicon photo diode and spectral
response filter.
•Manual data memory capacity：99 sets.
•Operating temperature & humidity：
0℃to 50℃（32℉to 122℉）& 0% to 80% RH.
•Storage temperature and humidity：
-10℃to 60℃（14℉to 140℉）& 0% to 70% RH.
•Power source：Qty 6 size AAA batteries.
•Battery life (typical)：100 hours (zinc/carbon batteries).
•Photo detector lead length：150 cm (approx.).
•Photo detector dimensions：92Lx60Wx29H (mm)
•Meter dimensions/weight：150Lx72Wx35H (mm)/320g
•Accessories：Carry case, instruction manual, batteries.
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1. LCD display：4-digit dual display, each with a maximum
reading of 5000, annunciators for measured
values, unit functions and decimal points etc.
2. Power button：The power button turns the instrument
ON or OFF.
3. AVG button: Activates the point-average mode.
4. H Data-hold button: Freeze or unfreeze the displayed
readings.
5. cd button: Enter luminous intensity mode.
6. button: Scroll to a setting mode, or increase or
decrease the displayed setting value.
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7. Lux/fc button:
cIlluminance scale select. (1 footcandle＝10.76 lux)
dBuzzer enable/disable option. Hold down “Lux/fc”
button then press the power-on button to turn the
buzzer sound on or off.
8. MEM button: Press once to store the data shown on the
LCD to memory.
9. READ button: Press to enter the data memory read mode.
10. Photo Detector.
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5-1 Illuminance Measurement
1. Press the “ ” power button to turn the meter on.
2. Press “lux/fc” button to select the desired units; lux or fc.
3. Remove the photo detector cap and place the detector so
the light falls squarely on the detector filter.
4. Read the illuminance value from the LCD display.
5. If required, press the “ H ” button to freeze the
displayed value.
Press the “ H ” button again to unfreeze the display and
return to normal reading mode.
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5-2 Point average measurement
Illuminance is a measure of the amount of light falling upon a
prescribed surface area. As the RS-01 detector has only a
small sensor area, the measured light level is multiplied and
averaged proportionally using the point average function
within the instrument to provide a corrected reading.
1. Press the “ ” power button to turn the meter on.
2. Press the “lux/fc” button to select the desired units; lux or
fc.
3. Remove the photo detector cap and place the detector so
the light falls squarely on the detector filter.
4. Press the “AVG” button to enter to point illuminance
average mode. The annunciator “AVG” is displayed. The
maximum number of point measurements is 99.
5. Each subsequent press of the “MEM” button stores one
measured point value to memory. The annunciator “AVG
NO.XX” is displayed.
6. Press the “READ” button to cycle through the memory
locations and perform the point average calculation. The
second annunciator “ AVG ” is displayed with the current
illuminace value reading.
7. Press the “MEM” button to add the new illuminance
measured value for the average calculation.
8. Press the " " or " " button to display each of the
previously measured point data.
9. Press the "AVG" button to exit this mode. All measured
data stored in memory will remain, even if the instrument
power is turned off. Only when new point data AVG is
stored in memory No.1 will all previous measured data
be cleared.
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10. Previously measured data display procedure.
cPress the “ ” power button to turn the meter on.
dPress the “lux/fc” button to select the desired unit; lux
or fc.
ePress the “AVG” button to enter point illuminance value
average function.
fPress the “READ” button and the previous average
data is displayed.
gPress the and buttons to select the previous point
measured data as required.
hPress the “AVG” button to exit this mode.
5-3 Luminous intensity measurement
Luminous intensity is a light source property. Defined as
the quantity of luminous flux emitted uniformly into a solid
angle, the basic unit of luminous intensity is the candela,
equal to one lumen per steradian. To calculate luminous
intensity, the detector’s area and its distance from the light
source must be known.
1. Press the “ ” power button to turn the meter on.
2. Press the “lux/fc” button to select the desired units; lux or
fc.
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3. Remove the photo detector cap and place the detector so
the light falls squarely on the detector filter.
4. Press the “cd” button to enter luminous intensity
measurement mode and the annunciator “cd” is displayed,
The distance annunciator “m” or “ft” is also displayed,
together with the distance data previously set.
5. Press the “” and “” buttons to set the distance
between the “light center of lamp” and “measurement
base level”. The preset distance can be set between 0.01
to 30.47m, or 0.01 to 99.99ft. Luminous intensity
measurement should only be made in a dark room, or an
equivalent environment, where any light other than that
from the source being measured does not influence the
reading. To replicate a point light source as far as
possible to enable accurate measurements, the light
sensor should be set at a distance from the light source
which is at least 10 times the diameter of the source. i.e. if
the lamp whose intensity is to be measured is 50mm
diameter, the sensor should be placed at least 500mm
from the centre of the lamp.
6. Press the “cd” or “lux/fc” button to exit this mode.
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5-4 Manual data memory and read mode :
1. Clear the manually memorized data
cPress the “ ” button to turn the meter off.
dPress and hold down the "MEM" button, then press the
“ ” button to turn the meter on. When the LCD
shows "CLr", the memorized data has been erased.
2. Manual data memory
Each press of the "MEM" button will store one set of
readings to memory. The LCD will briefly show the
" M " mark and the memory address number. The total
number of memory locations available is 99.
3. Manual memory data READ
cPress the " READ " button to enter the READ mode. The
LCD will show the " R " mark and the memory address
number.
dPress the " " or " " button to select the desired
memory address number data for display.
ePress the " READ " button to exit this mode.
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