MRC LX-1108 Manuel utilisateur

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...............................................................

2. SPECIFICATIONS.....................................................

2-1 General Specifications.........................................1

2-2 Electrical Specifications....................................... 4

2-3 Spectrum for Li

ht Sensor.........................................5

3. FRONT PANEL DESCRIPTION.................................... 6

3-1 Display.............................................................

3-2 Power Button.................................................... 6

3-3 Hold Button......................................................

3-4 REC ( Max/Min ) Button..................................... 6

3-5 Lux/Fc ( Ft-cd ) Button......................................

3-6 Range Button....................................................6

3-7 Zero Button......................................................

3-8 Light Source Button...........................................6

3-9 Light Sensor Input Socket.................................. 6

3-10 Stand...................................................................

3-11 Battery Compartment/Cover................................... 6

3-12 RS-232 Output.................................................

3-13 Light Sensor..................................................... 6

3-14 Sensor Cover....................................................6

3-15 Light Sensor Plug.............................................

3-16 LCD display contrast adjust VR.......................... 6

4. MEASURING PROCEDURE......................................... 7

5. AUTO POWER OFF DISABLE.....................................

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.

IFI

ATI

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

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.

2-2 Electrical Specifications (23 5 蚓)

Uni

Ran

In-ran

e Displa

Resolutio

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

Uni

Ran

Accurac

40.00 Lux

Lux 400.0 Lux ( 3% rd

+ 0.5 % F.S. )

4,000 Lux

40,000 Lux

400,000 Lux < 100,000 Lux :

( 3% rd

+ 0.5 % F.S. )

100,000 Lux :

@ for reference onl

4.000 Fc

Foot- 40.00 Fc ( 3% rd

+ 0.5 % F.S. )

candle 400.0 Fc

( Fc ) 4,000 Fc

40,000 Fc < 9,300 Fc :

( 3% rd

+ 0.5 % F.S. )

9,300 Fc :

@ for reference onl

Note : Accuracy tested by a standard parallel light

tungsten lamp of 2856 袁temperature.

2-3 Spectrum for Light Sensor

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.

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.

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