MRC LX-1108 Bedienungsanleitung
Your purchase of this LIGHT METER marks a step forward for
you into the field of precision measurement. Although this LIGHT
METER is a complex and delicate instrument, its durable structure
developed. Please read the following instructions carefully and
always keep this manual within easy reach.
OPERATION MANUAL
4 light type
LIGHT METER
Model : LX-1108
Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]
MRC.7.22
TABLE OF CONTENTS
1. FEATURES...............................................................
.
1
2. SPECIFICATIONS.....................................................
.
1
2-1 General Specifications.........................................1
2-2 Electrical Specifications....................................... 4
2-3 Spectrum for Li
g
ht Sensor.........................................5
3. FRONT PANEL DESCRIPTION.................................... 6
3-1 Display.............................................................
.
6
3-2 Power Button.................................................... 6
3-3 Hold Button......................................................
.
6
3-4 REC ( Max/Min ) Button..................................... 6
3-5 Lux/Fc ( Ft-cd ) Button......................................
.
6
3-6 Range Button....................................................6
3-7 Zero Button......................................................
.
6
3-8 Light Source Button...........................................6
3-9 Light Sensor Input Socket.................................. 6
3-10 Stand...................................................................
.
6
3-11 Battery Compartment/Cover................................... 6
3-12 RS-232 Output.................................................
.
6
3-13 Light Sensor..................................................... 6
3-14 Sensor Cover....................................................6
3-15 Light Sensor Plug.............................................
.
6
3-16 LCD display contrast adjust VR.......................... 6
4. MEASURING PROCEDURE......................................... 7
5. AUTO POWER OFF DISABLE.....................................
.
10
6. RS232 PC SERIAL INTERFACE...................................10
7. BATTERY REPLACEMENT.......................................... 11
1. FEATURES
* 5 ranges : 40.00/400.0/4,000/40,000/400,000 Lux, wide
measuring range.
* High resolution : 0.01 Lux to 100 Lux, 0.001 Ft-cd to
10 Ft-cd.
*Selection of lighting type ( Tungsten, Fluorescent,
Sodium or Mercury ).
* Sensor used the exclusive photo diode & color correction
filter, spectrum meet C.I.E. photopic.
* Sensor cosine correction factor meet standard.
* Separate Light Sensor allows user to measure the light at
an optimum position.
* Lux & Foot-candle unit selection.
* Large LCD display with bar graph and indicator.
* Water resistance front panel
* Use the rubber key for the function select.
* Microprocessor circuit ensure high accuracy, and also
and also provides special functions and features.
*LSI circuit provides high reliability and durability.
* Zero adjusting button.
* Data hold, to freeze the desired reading value.
* Peak hold measurement.
* Memory function to display the max. & min. display value
with Recall.
* Auto power auto off or manual power off.
* Compact size and excellent operation.
* Built-in low battery indicator.
* RS-232 computer serial data output.
1
2
.
S
PE
C
IFI
C
ATI
O
N
S
2-1 General Specifications
Display Large LCD display.
LCD size 52 x 38 mm, 4 digits.
with bar graph indicator.
Measurement 5 ranges : 40.00 Lux, 400.0 Lux,
& ranges 4,000 Lux, 40,000 Lux, 400,000 Lux.
Unit Lux, Foot-candle ( Ft-cd ).
Lighting Type Tungsten lamp, Fluorescent lamp,
Selection Sodium lamp, Mercury lamp.
Sensor The exclusive photo diode & color
correction filter, spectrum meet C.I.E.
Cosine correction factor meet standard.
Zero Adjustment External adjustment by pushing button,
( 40.00 Lux range only )
Peak Hold To hold the peak display.
Data Hold To freeze the display value.
Memory Save the max. & min. value with Recall.
Power Off Auto or manual power off.
Over and Over range indicator : " - - - - "
Under Range Under range indicator : " _ _ _ _ "
Indication
Data Output RS-232 serial data output.
Operating 0 蚓to 50 蚓( 32 蚌to 122 蚌).
Temperature
Operating Less than 80% RH.
Humidity
2
Power Supply DC 9V battery. 006P, MN1604 ( PP3 )
or equivalent.
Power Approx. DC 8 mA.
Consumption
Weight 220 g/0.48 LB.
Dimension
Main instrument :
200 x 68 x 30 mm
( 7.9 x 2.7 x 1.2 inch ).
Light Sensor probe :
82 x 55 x 7 mm
( 3.2 x 2.2 x 0.3 inch ).
Accessories Instruction Manual..................
.
1 PC.
Light Sensor with protection cover
.............................................
.
1 PC.
3
2-2 Electrical Specifications (23 5 蚓)
Uni
t
Ran
ge
In-ran
g
e Displa
y
Resolutio
n
40.00 Lux 0 to 40.00 Lux 0.01 Lux
Lux 400.0 Lux 36.0 to 400.0 Lux 0.1 Lux
4,000 Lux 360 to 4,000 Lux 1 Lux
40,000 Lux 3,600 to 40,000 Lux 10 Lux
400,000 Lux 10,000 to 400,000 Lux 100 Lux
4.000 Fc 0 to 3.720 Fc 0.001 Fc
Foot- 40.00 Fc 3.35 to 37.20 Fc 0.01 Fc
candle 400.0 Fc 33.5 to 372.0 Fc 0.1 Fc
( Ft-cd ) 4,000 Fc 335 to 3,720 Fc 1 Fc
40,000 Fc 930 to 37,200 Fc 10 Fc
Foot-candle = Ft-cd = F
c
Uni
t
Ran
ge
Accurac
y
40.00 Lux
Lux 400.0 Lux ( 3% rd
g
+ 0.5 % F.S. )
4,000 Lux
40,000 Lux
400,000 Lux < 100,000 Lux :
( 3% rd
g
+ 0.5 % F.S. )
100,000 Lux :
@ for reference onl
y
4.000 Fc
Foot- 40.00 Fc ( 3% rd
g
+ 0.5 % F.S. )
candle 400.0 Fc
( Fc ) 4,000 Fc
40,000 Fc < 9,300 Fc :
( 3% rd
g
+ 0.5 % F.S. )
9,300 Fc :
@ for reference onl
y
Note : Accuracy tested by a standard parallel light
tungsten lamp of 2856 袁temperature.
4
2-3 Spectrum for Light Sensor
5
3. FRONT PANEL DESCRIPTION
3-1 Display 3-9 Light Sensor Input Socket
3-2 Power Button 3-10 Stand
3-3 Hold Button 3-11 Battery Compartment/Cover
3-4 REC ( Max/Min ) Button 3-12 RS-232 Output
3-5 Lux/Fc ( Ft-cd ) Button 3-13 Light Sensor
3-6 Range Button 3-14 Sensor Cover
3-7 Zero Button 3-15 Light Sensor Plug
3-8 Light Source Button 3-16 LCD display contrast adjust VR.
6
4
.
MEASURING PROCEDURE
1)Push the " Power Button " ( 3-2, Fig. 1 ) to switch the
instrument on.
2)Select the desired measuring unit by pressing the " Lux/Fc
Button " ( 3-5, Fig. 1 ). The display will indicate the
selected unit of " Lux " or " Ft-cd ".
3)Determine the lighting type ( Tungsten, Fluorescent,
Sodium or Mercury lamp) by pressing the " Light
Source Select Button " ( 3-8, Fig. 1 )
Note :
a. For the different lighting type, the LCD will indicate
the following symbols :
Tungsten : Fluorescent :
Mercury : Sodium :
b. For the unknown light type, then please select the
" Tungsten Light " type.
4) Select the max. range by using the " Range Button " ( 3-6,
Fig. 1 ).
a. If the main display shows " - - - - ", it indicates
overload condition, select the next higher range.
b. If the main display shows "_ _ _ _ ", it indicates
out-of-range, select the next lower range.
c. As intend to get more accuracy reading, try to select
the range that it have the high resolution
5) Position the " Light Sensor " ( 3-13, Fig. 1 ) directly
under the light source. 7
6)Zero adjustment
a. Cover the " Light Sensor " ( 3-13, Fig, 1 ) using the
"Sensor Cover " ( 3-14, Fig. 1 ).
b. Set to 40.00 Lux range.
c. Pushing the " Zero Button " ( 3-7, Fig. 1 ), LCD will reach
to zero values.
d. Upon completion, remove the sensor cover.
Note :
For precision measurement, only the 40.00 Lux
range need to make Zero Adjustment.
7) Data Hold
a. During the measurement, pushing the " Hold Button "
( 3-3, Fig. 1 ) will hold the measured value & the LCD
will indicate " HOLD " symbol.
b. Push the " Hold Button " again to release the data hold
function.
8)Peak Hold
a. During the measurement, pushing the " Hold Button "
( 3-3, Fig. 1 ) at least 2 to 3 seconds continuously, the
meter will execute the Peak Hold function and at the
same time LCD display will show the " Peak HOLD "
indicator.
b. During execute the Peak Hold function, pushing the
" Hold Button " ( 3-3 , Fig. 1 ) once a while will clear
the Peak Value from the display and enter the new
Peak Value again.
c. When execute the Peak Hold function, pushing the
"Hold Button " ( 3-3 , Fig. 1 ) at least 2 seconds
continuously will cancel the Peak Hold function, the
the " Peak HOLD " indicator will be disappeared.
8
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