LCM plus - Cole-Parmer

29
LCM plus Operating Instructions

Transcript of LCM plus - Cole-Parmer

Page 1: LCM plus - Cole-Parmer

LCM plus

Operating Instructions

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Dear client,

Congratulations for the purchase of this high-quality instrument from Dr. Lange. LCM plus is a

modern and sophisticated instrument for your lab. LCM plus includes state-of-the-art technology

and a very efficient user surface for easy familiarization. Still we recommend to read these

operating instructions thoroughly, as they give important information you should know to handle

this product adequately.

Thank you for your confidence, and enjoy working with your new LCM plus.

Yours,

BYK-Gardner GmbH

Concise Operating Instructions

1) Connect LCM plus and printer LD500, if desired, to the mains. Then plug the printer cable that came with the printer into theRS232-port of LCM plus. Turn LCM plus on by pressing keyOK and the printer by toggling the green switch to the right.

2) After zero measurement wait for the display of LCM plus toprompt you to insert the calibration cuvette.

3) Fill a cuvette with distilled water and put it into the cuvettecompartment. The display reads e.g.:

4) Take the water cuvette out and put one containing sampleliquid into the cuvette compartment.

5) After measuring, the colour values of the sample areindicated in the configured colour system.

6) Now press the -key until the desired colour system isdisplayed.

Zero meas.m.

Please wait

Pleas ins. cuv.

for calibration

Calibration

Please wait

Pleas ins. cuv.

for sample

70.5

Iodine color value

ÐDIM ¢Conf 11°

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CONTENTS

A Instrument DescriptionA1 General .............................................................................................................................4A2 Instrument Design............................................................................................................5A3 Instrument Set-Up ............................................................................................................6A4 Reference Standards........................................................................................................6

B OperationB1 Control And Functional Elements...................................................................................7B2 Initial Start-Up of the Instrument.....................................................................................9B3 Printer Start-Up ................................................................................................................9B4 Battery Mode ..................................................................................................................10B5 Turning-Off .....................................................................................................................11B6 Photometric Preparation................................................................................................11

C Colour MeasurementC1 Calibration ......................................................................................................................13C2 Colour Measurement......................................................................................................15C3 Iodine Number................................................................................................................16C4 Hazen Colour Number (APHA-Method) .........................................................................16C5 Gardner Colour Number ................................................................................................17C6 Mineral Oil Colour Number ASTM D 1500 And ISO 2049 .............................................17C7 Saybolt Colour Number (ASTM D 156).........................................................................19C8 Configuration .................................................................................................................20

D Technical NotesD1 Error Messages ..............................................................................................................23D2 Maintenande and Test Media Control ...........................................................................24D3 Lamp Exchange..............................................................................................................25D4 RS232C-Interface of LCM plus.......................................................................................25D5 Technical Data................................................................................................................26

E AnnexE1 Spares and Accessories ................................................................................................27E2 Regulations and Standards ..........................................................................................27

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A Instrument Description

A1 General

LCM plus is a universal colorimeter for liquids suitable for manifold industrial applications. It is

easy to handle and has a sturdy design.

But what is really the reason why objective colour measurement of liquids is so important? The

human eye is able to perceive about 100 spectral colours in approximately 100 degrees of

brightness and saturation, which results in about 1 million perceptible shades. Therefore, hues

are difficult to describe by subjective visual comparison.

The specific colour of a product is often regarded as a sign of purity and quality, although that is

not necessarily true. Clients often interpret deviations from the shade of an earlier production as

defective product or supply and reject it preventively. In order to avoid such trouble, objective

colour assessment, a uniform colorimetric system and reliable instrument are required for

production and quality control of transparent coloured liquids.

New Standard EN 1557

EN 1557 (Colorimetric characterization of transparent coloured liquids) now also defines colour

measurement of liquids on the basis of the time-tested colorimetric standards of DIN 5033. The

principle is to measure the X-, Y- and Z-transmissions. The sample is illuminated with a halogen

lamp corresponding to standard illuminant C. On this basis, the LCM plus was developped for

exact and reproducible measurements of transparent yellow-cast liquids.

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A2 Instrument Design

LCM plus measures transmissions of all transparent media. It operates with a halogen lamp

producing standard illuminant C and uses the 2° standard observer as defined by DIN-standard

5033. A reference beam path compensates measuring values modified by driftings of lamps

and temperatures during operation. Therefore, LCM plus provides an excellent long-term

constancy and reproducible measuring results. The universal cuvette compartment suitable for

50 x 10mm square cuvettes and 11mm round glass cuvettes permits an optimum adaptation of

LCM plus to the measurement tasks.

In just one measurement, LCM plus evaluates by to the latest ISO-standards giving e.g. Iodine,

Hazen or Gardner values. The basical instrument includes one optional colour number with the

possibility of adding-on a random combination of colour numbers later or at once. These colour

systems are available: Iodine number, Hazen number, Gardner number, Saybolt number and

ASTM D 1500- number. To add-on more colour systems later, a program-module-box (bit-box)

is supplied. The description of this bit-box is given in chapter D6.

Fig. 1: Measuring principle of LCM plus

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A3 Instrument Set-Up

Unwrap the instrument carefully and check it for missing parts (delivery note). Please keep the

packing box to pack the instrument safely in case it has to be transported again later.

LCM plus should be placed on a level desk surface. The instrument comes with a power supply

unit and adapter for the socket (100 – 240 Volt / 47 – 63 Hz) and is turned on by either pressing

the OK-key or the grey menu key.

Do not turn on and off too fast. Wait for 20 seconds before turning on again not to damage the

electronic or mechanic system of the instrument.

The blue lamp protection cover on the upper left part of the instrument serves to carry the heat

off the lamp and must not be covered.

As LCM plus is a sophisticated optical instrument, avoid the following at any rate:

• Do not use the instrument in direct sunlight.

• Do not allow water, inflammable or metallic objects to enter the instrument.

• Do not put filled cuvettes or heavy objects on the housing.

• Do not use the instrument in excessively moist, dusty or vibrating surroundings.

• Do not open the instrument. There are no parts in the housing for the user to check.

• If you have any questions of problems, please contact with our offices in Düsseldorf or

one of our service stations (see page Error! Bookmark not defined.).

A4 Reference Standards

In general, an absolutely transparent medium similar to the sample serves as a calibration or

reference standard for coloriemtry on the transmission principle. To measure the colour of

liquids, distilled water is filled into a cuvette similar to the measuring cuvette and used as a

reference standards. In some exceptional cases where the density of the substance to be

emasured differs from that of the distilled water, calibration is made against a colourless

measuring medium. Calibration assigns the reference standard a transmission of 100% (or

Iodine number = 0, Hazen = 0, etc.). As this assignment never changes, 100 no calibration

value needs to be set for LCM. Instead, just fill a cuvette with the reference standard and put it

into the cuvette compartment to perform calibration.

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B Operation

B1 Control And Functional Elements

Figures Error! Reference source not found. and Error! Reference source not found. show

the control and functional elements of LCM plus.

Fig. 2: Front view

Fig. 3: Back view

Display

Lamp cover

Cal- and Measure key

Cuvette compartment

Menu key

OK-key

Cursor keys

Bit-Box

compartmentBattery cover Mains socketPrinter

port

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LCM plus is operated with 8 keys. The following table shows the keys and displays in the

operating instructions.

Definition Representation

Cursor keys Press left, right, upper or lower cursor key� � � �

Calibration and

Measure key

Press blue key (Calibration)

Press green key (Measurement) CAL calibration key (blue)

Meas measure key (green)

Menu key Turn instrument on

Quit submenu option Menu key (grey)

OK-Key Turn instrument on

Confirm or call the selected actionOK

Display and input

area

Display of current values, data, submenus and input

areas of the single options. The input area is

marked by a window inviting inputs.

Aut.shut off:

30 min

Menu selection OK

e.g..:ÐConfig, another window opens offering more

options:

Switch Off Config Printer

Error messages It is necessary to acknowledge every error message

by pressing the grey menu key, or the instrument

stops operating.

Min. limit: 10

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B2 Initial Start-Up of the InstrumentFor start-up plug-in the mains plug and press the OK-key or grey menu key. The port for the

power supply unit is at the rear of the instrument (page Error! Bookmark not defined., Error!

Reference source not found., Items 10 and 8). When the instrument is on, the display

indicates instrument type and number of EPROM-version while the self-check is running. When

self-check and zero measurement are over (approx. 20 sec.) you are prompted to insert a

calibration or sample cuvette.

B3 Printer Start-UpThe supply voltage for the printer is turned on and off with the green toggle switch �� on the

right of the printer’s front. The printer is on when the black key �� is in neutral position (1) and

off when key �� is at (0). Paper feed is done pressing the '↑' –part of key �� next to the printing

unit.

B3.1 Connection to LCM plus The printer is connected by plugging the supplied

connection cable to the RS232-port on the rear

side of LCM plus.

B3.2 Change paper Turn the printer on and open the flap �� behind

the printing unit. Put a new reel of paper into the

paper container and unroll approx. 10cm of it.

Then lead the free beginning of the paper into the

slot until perceiving a slight resistance. Press the

paper feed key and push the paper on carefully.

Hold the key down until the paper passes the tear

bar. Finally close the flap again.

LCM plusV1.00

Pleas ins. cuv.

for sampleLCM plus

V1.00 15:20 30.06.00

Fig. 4: Printer LD 500

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B4 Battery ModeLCM plus can be used with power supply unit or rechargeable batteries. For the latter mode,

open the cover of the battery compartment and insert the batteries as follows:

1. Insert the battery with the switch to the right into the holder until only one contact remains

visible.

2. Shift the battery from the left side over the contacts, passing a slight resistance.

3. A beep indicates that the batteries are placed and ready for operation (only when the

instrument is not connected to the mains).

Attention: The contacts must not get into contact with metal or greasy parts.

To recharge the batteries, insert them into the compartment and connect LCM plus to the mains

with the power supply unit. We recommend a continuous loading time of 14 hours before the

first use. To exploit the battery capacity best, charge and discharge it always entirely. The

display of LCM plus informs about the current discharge degree of the battery when the

instrument is turned on. When the battery is discharged, a beep and a display message are

given. The message must be acknowledged with the grey menu key to go on working for a

short while. The display message “battery empty” means that the battery is definitely discharged

and needs recharging.

Fig. 5: Insertion of rechargeable batteries

Contact

Battery switch

Battery

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B5 Turning-OffLCM plus turns off automatically by a timer function. Manual turning-off is possible, too.

Manual Turning-Off

Press Cursor-Key � in the measuring menu and select

option „Switch Off“ with the OK-key. Then the instrument

turns off.

Turning-Off Via Timer

On delivery, the timer of LCM plus is set to automatical

turning-off time of 30 minutes. The automatical turning-off is

only active if no measurement was made within the given period and no cuvette is in the

compartment. The setting can be modified within the tolerances of 10 to 60 minutes (cp. C8.2).

B6 Photometric PreparationThe photometric preparation requires utmost care, because careless sample preparation is the

major source of trouble, and not the handling of the instrument itself.

Cleanliness is of vital importance in photometry. Therefore, clean the glass cuvettes immediately

after use. Employ only optically perfect samples for measuring. They must be clean and not

show any signs of opaqueness.

Air bubbles in the sample or at the cuvette sides influence the measuring result. They can be

avoided by filling the liquid slowly into the cuvette. Pasty or solid products should be melted and

filled-in without bubbles, if they cannot be measured as they are.

B6.1 Sampling And Sample PreparationTake a sample from the product you want to measure in accordance with DIN 53242 part 1.

Eliminate turbidities by heating or filtration. Heat partly solid samples before measuring in order

to dissolve the solid share in the liquid one. The preparation must not cause any chemical

changes in the sample. During the measurement there should be no bubbles in the sample.1

• There are several cuvette types available for colour measurement with LCM plus,

differing by material (glass, polystyrene or PMMA2) and path length (11mm and 50mm).

• The program calculates automatically Iodine, Hazen, Gardner, Saybolt and ASTM D

1500-numbers under consideration of the cuvette type employed.

1 Acc- to DIN 6162, ed. 12.81, para. 5 a. 62 Polymethylmethacrylate

LCM plusV1.05

14:5017.02.00

Switch Off Config Printer

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• For the 11mm disposable round glass cuvettes, a dry thermostat is available to warm up

to 15 cuvettes to 100°C or 148°C.

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C Colour Measurement

Whenever the instrument is turned on, a zero measurement is made, taking the empty value (i.e.

the pure transmission values without cuvette inserted) of the optical beam path and comparing it

with the empty value obtained in the previous zero measurement. If the difference between both

empty values is near zero, you can start measuring without calibration. Calibration is only

required in case of considerable deviations of the empty value due to e.g. fluctuations of

temperature. The calibration remains valid until the next recalibration. LCM plus features a

calibration memory for both path lengths employed (50mm square cuvette and 11mm round

cuvette). If you have to use two different path lengths, owing to the nature of your samples (e.g.

bright samples with Hazen values below 50 or strongly coloured samples with greater Gardner

values), it is possible to calibrate both path lengths and then toggle between them. LCM plus

uses the corresponding set of calibration data automatically.

C1 Calibration

LCM plus features a calibration memory for 11mm Dr. Lange round cuvettes and 50mm square

cuvettes. To be on the safe side, calibrate LCM plus at least every day. In the calibration, the

employed medium is assigned a transmission of 100% over the whole spectral range. Observe

the following rules for calibration:

• The cuvette type selected for calibration must be identical to the one used for

measurement, otherwise wrong Iodine, Hazen and Gardner values are given.

• Use always clean cuvettes and fresh distilled water for calibration.

Instrument calibration for colour measurement

1. Turn-on instrument and printer, if desired. After self-check

and zero measurement, LCM plus might ask for

calibration. If LCM plus is already on, make sure the

cuvette compartment is empty and press the blue CAL -

key. The display reads:

2. Fill a clean cuvette (material and path length to suit your

samples) with distilled water and put it into the measuring

compartment.

3. LCM plus detects the cuvette type automatically.

4. Now press the blue CAL - key again to trigger calibration.

Zero meas.m.

Please wait

Pleas ins. cuv.

for calibration

Calibration

Please wait

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5. When the calibration is over and the printer is on, date, time and selected cuvette type

are printed, e.g. :

Then LCM plus prompts „Please insert sample cuvette“. Now you can insert your sample

cuvette directly. As soon as you have done so, LICO starts measuring automatically. To

calibrate one more path length, remove the cuvette and press the blue CAL -key again.

Please calibrate carefully to avoid mismeasurements caused

by faulty calibration.

Calibration with 11 mm circular cuv. ok!

12:00 18.08.00

70.5

iodine color value

ÐDIM ¢Conf 11°

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C2 Colour Measurement

The colours of all transparent liquids can be measured, using 50mm square cuvettes or 11mm

round glass cuvettes, depending on their transmittances. If required, select another colour

system for printer output in the configuration menu (cp. page Error! Bookmark not defined.).

Instrument preparation

1. Turn instrument and printer on.

2. Calibrate the instrument as described in chapter. C1.

Measuring procedure

1. Fill the sample liquid into a cuvette and insert it into the corresponding compartment.

Measurement starts automatically.

2. After measuring, the colour values of the sample willappear on the display

and be printed, e.g.

2.6 Iodine color value

507 Hazen color value

3. Now press the � -key (DIM) until the desired colour

system appears on the display.

4. The colour system will be displayed during the

measurements to follow.

2.6

iodine color value

ÐDIM ¢Conf 11°

507

Hazen color value

ÐDIM ¢Conf 11°

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C3 Iodine Number

DIN 6162 defines the Iodine colour number as mg of iodine per 100ml of potassium iodide

solution. Colour matching by the Iodine number serves to judge the shade depth of clear liquids

like e.g. tensides, plasticizers, resins, oils and fatty acids, whose colours resemble that of an

equally layered solution of potassium iodide. For Iodine numbers less than or about 1, the

Hazen number according to DIN-ISO 6271 should be preferred.3 Sampling and preparation are

described in chapter B6. A satisfactory precision of the Iodine value is achieved with a 11mm

round glass cuvette.

Measuring procedure

1. Fill the sample liquid into a cuvette and insert it into the

corresponding compartment. Measurement starts auto-

matically.

2. After the measurement, the colour value is indicated on

the display.

3. Now press the � -key (DIM) until the Iodine number appears on the display.

C4 Hazen Colour Number (APHA-Method)

The Hazen colour number (DIN-ISO 6271, also known as "APHA-Method” or “Platinum-Cobalt-

scale”) is defined as mg of platinum per 1l of solution. The Hazen parent solution is composed

of 1.246g potassium-hexachloroplatinate (IV) and 1.00g cobaltous (II)-chloride dissolved in

100ml of hydrochloric acid and filled up with distilled water until reaching 1000ml. The Hazen

colour scale serves to determine the colours of nearly water-clear products. It has a narrower

gradation in the light yellow range than the Iodine scale and reaches even water-clear casts.

Attention:

Samples with Hazen values between 50 and 1000 can be measured with sufficient

accuracy in 11mm round cuvettes.

Hazen values < 50 should be mesured in 50mm cuvettes,

Hazen values < 10 should be measured with the cuvette which was used for calibration,

because nearly water-clear products are susceptible to giving faulty measuring results

due to cuvette tolerances.

3 acc. to DIN 6162, Edition 12.81, para. 1

70.5

iodine color value

ÐDIM ¢Conf 11°

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Measuring procedure

1. Fill the sample liquid into a cuvette and insert it into the

corresponding compartment. Measurement starts auto-

matically.

2. After the measurement, the colour value is indicated on the

display.

3. Now press the � -key (DIM) until the Hazen number appears on the display.

C5 Gardner Colour Number

The Gardner colour number is defined in DIN ISO 4630. The lighter Gardner colour standards

(1 to 8) are based on potassium-chloroplatinate solutions, colour numbers 9 to 18 on ferric(III)-

chloride, cobaltous(II)-chloride and hydrochloric acid solutions. LCM plus determines the

Gardner number at all cuvette path lengths (in 50mm cuvettes only values between 0 and 4),

with 11mm cuvettes providing sufficient accuracy.

Measuring procedure

1. Fill the sample liquid into a cuvette and insert it into the

corresponding compartment.

2. After the measurement, the colour value is indicated on

the display.

3. Now press the � -key (DIM) until the Gardner number

appears on the display.

C6 Mineral Oil Colour Number ASTM D 1500 And ISO 2049

The Mineral Oil Colour Scale is used for matching the colours of mineral oil products like

lubricating oil, fuel oil, diesel oil and paraffins. The colour scale begins at 0 for water-clear,

colourless oils and ends at 8 for very dark brown oils. Visual matching is in steps of 0.5 (0.5 1.0

1.5...). LCM displays the results in steps of 0.1. For samples of stronger hue than colour glass

8, colour value D8 is displayed.

20

Hazen color value

ÐDIM ¢Conf 50°

6.5

Gardner color value

ÐDIM ¢Conf 11°

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GG Owing to the intensive colour gradation of the ASTM4 D 1500 colour number, this is only

determined for the 11mm round cuvette. There is no determination of path length 50mm.

4 American Society for Testing and Materials

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Measuring procedure

1. Fill the sample liquid into a cuvette and insert it into the

corresponding compartment.

2. After the measurement, the colour value is indicated on

the display.

3. Now press the � -key (DIM) until the ASTM- number

appears on the display.

C7 Saybolt Colour Number (ASTM D 156)

The Saybolt colour scale is used to match colours of refined oil products like fuel and kerosene

or also petroleum waxes and pharmaceutical white oils. Its colorimetric characteristics are

comparable with those of the Hazen scale (APHA). The Saybolt scale begins at +30 (brightest

coloration, corresponding to approx. 8-10 Hazen) and ends at -16 (stongest coloration,

corresponding to approx. 350 Hazen).

FF Measurements can be made with cuvettes of 11mm or 50mm path lengths. The greater the

path length, the better the measuring accuracy (50mm recommended).

1. Fill the sample liquid into a cuvette and insert it into the

corresponding compartment.

2. After the measurement, the colour value is indicated in

the configured colour system on the display.

3. Now press the � -key (DIM) until the Saybolt number

appears on the display.

4.5

ASTM D 1500

ÐDIM ¢Conf 11°

24

Saybolt color value

ÐDIM ¢Conf 50°

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C8 Configuration

The configuration serves to select the colour systems for the print-out and general instrument

settings like e.g. date/time, language, etc.

Press cursor-key � for configuration.

The selection menu shown at the right opens. Move the bar

to the menu options with cursor-key � or � . The option in

reverse presentation can be selected by pressing key OK .

C8.1 Turning-off

After selecting option Turn-off and pressing key OK , LCM

plus is turned off.

C8.2 Configure

After selecting option Config. and pressing key OK , another

menu window opens. The small arrow ↓↓ in the frame

window at the right indicates that there are more options to

follow.

Langue selection

These languages are at choice: German (D), English

(GB), French (F), Swedish (S), Spanish (E), Dutch (NL),

Italian (I), Polish (PL) and Danish (DK).

Move the bar to the desired language and select it with key

OK .

Date and time

After selecting option Date and pressing key OK , a window

opens to set date and time. Move the blinking cursor to the

digit you want to change by cursor-key � or � . Cursor-keys

� or � increase or decrease the blinking digit by one. Finish

the setting with the OK -key.

LCM plusV1.05

14:5017.02.00

Switch Off Config Printer

LCM plusV1.05

14:5017.02.00

Switch Off Config Printer

LCM plusV1.05

14:5017.02.00

Switch Off Config Printerer Language

Date Timer Display

LCM plus Turn-off Config Printer

Language select:

D . GB F S E

LCM plusV1.05

14:5017.02.00

Turn-off Config Printer

Date Time

17.02.00 14:50

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Timer

Selecting option Timer and pressing key OK opens a

window to set timer functions "Aut.shut off" and "delay

meas.". Set the desired value with cursor-keys � and � .

Auto shut off time

Selecting option "Aut.shut off" and pressing key OK

opens a window to set the turn-off time. Move the blinking

cursor to the digit you want to change by cursor-key � or �

Cursor-keys � or � increase or decrease the blinking digit by

one. Finish the setting with the OK -key.

Measurement delay

Selecting option "delay meas." and pressing key OK

opens a window to set the Measurement delay.

Move the blinking cursor to the digit you want to change by

cursor-key � or � . Cursor-keys � or � increase or decrease

the blinking digit by one. Finish the setting with the OK -key.

Display

Selecting option "Display“ and pressing key OK opens a

window for display settings of "Contrast" and "Lighting".

Make your choice with the cursor-keys � and � and confirm it

with key OK .

Printer

At this option, you can set more colour systems for printer

output. The system selected at display is marked n and will

be printed in the first line. To add more colour systems, move

the bar to the desired system with cursor-keys � and � and

confirm your choice with the OK - key.

When the cursor passes the upper or lower margin of the

menu, it pages on and shows more options. Here you can

add date and time to the measurement.

To finish the configuration of the printer output, select "back"

and press key OK .

The program returns to the beginning of the configuration.

LICO 100

14:5017.02.00

Turn-off Config Printer

Adjust timer:

Aut.shut off delay. meas.

LICO 100V1.00

14:5017.02.00

Aut.shut off:

30 min

LICO 100V1.00

14:5017.02.00

delay. meas.

00 sec

LICO 100V1.00

14:5017.02.00

Turn-off Config Printer

Adjust display:

Contrast....Lighting

LICO 100V1.00

14:5017.02.00

Turn-off Config Printer

†Iodine number ¡Hazen number †Gardner no. †Saybolt no.

LICO 100V1.00

14:5017.02.00

Turn-off Config Printer

†ASTM D 1500 †Date / Time back

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C8.3 Instrument checkLCM plus can be checked with a certified test solution set addista®-color in compliance with ISO

9000ff.

D Technical Notes

D1 Error MessagesThe following display messages indicate errors of operator or instrument.

Result outside the measuring range.

There is a cuvette left in the cuvette compartment.

Put new reel of paper into LD 500.

The lamp is probably broken.Exchange it as described in chapter Error! Reference source

not found..

If one of these error messages appears, please check whether e.g. the printer is connected

properly, calibration is correct and the sample cuvette at its place. If you still cannot eliminate

the error, contact our service department or field service.

***

Please remove

cuvette!

Insert paper

Error!CalibrationNo SignalLamp ?

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D2 Maintenande and Test Media ControlEven a perfected product like LCM plus requires careful handling. Use a dry cloth or a mild

household cleaner for the housing, but never solvents like naphta, acetone or the like. The

optical elements should be cleaned by our maintenance staff.

A certified set of test solutions is available for test media control according to ISO 9000ff with

order no. 6384.

The test set comprises six bottles

containing 50ml of test solution each,

a quality control certificate according

to DIN 55350 part 18, 4.1.2 and a test

protocol for the documentation of

reference, actual and tolerance

values.

LCM plus is tested as described in

enclosed test instruction. The

instrument should be tested in regular

intervals of 1 to 2 weeks, depending on its application and frequency of use.

Fig. 6: Test solution addista-color

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D3 Lamp ExchangeThe lamp compartment is left of the display and covered with a slotted cap on the upper side of

the housing. If the lamp is broken, it should be exchanged by Dr. Lange service staff, because

we recommend a general instrument check-up after an operating period of 1-2 years. If you

insist on doing it yourself, proceed as follows:

R e m o v e p o w e r s u p p l y u n i t o r b a t t e r y!

Remove the grey cover of the bit-box. Loosen

the fixture of the bit-box by pushing the locking

clamp �� and put it apart. Unplug contact ��

from the lamp. Loosen the metal clamps �� at

the upper end one be one from their stay and

hinge them away. Take the lamp �� off and

put in a new one with the marking pointing to

the left.

Attention: Do not touch the glass bulb of

the lamp.

Hinge the metal clamps back to their places

and fix them to their stay. Connect the new

lamp with the plug-in contact �� and do the

same steps as for dismantling, but in reverse

sense. Only when the instrument is mounted

completely, turn it on and test it.

D4 RS232C-Interface of LCM plus

LCM plus has a serial interface at its rear side (page Error! Bookmark not defined., Error!

Reference source not found.) corresponding to RS 232 C and V24-standard.

Fig. 7: Removing the fixture of the bit-box

Fig. 8: Lamp exchange

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D5 Technical Data

Viewing geometry: 0°/180° (transmission)

Display/operation: Backlit LC-display (128 x 64 Pixels)

Reference standard: Distilled water

Spectral range: 8 spectral wavelengths ranged from 400nm to 700nm

Wavelength accuracy: ± 2 nm

Diffuse light: < 1 %

Light source: Krypton lamp

Warming-up: approx. 2 minutes

Reproducibility: ± 2 Hazen at 50mm path width

Documentation: External printer LD 500

Control: Integated microprocessor

Measuring time: approx. 10 sec.

Program functions: Iodine number 0 ... 120

Hazen-(APHA) numberl 0 ... 1000

Gardner colour scale 0 ... 18

ASTM D 1500 number 0 ... 8

Saybolt-number +30 ... -16

Cuvettes compartment: 50mm x 10mm square cuvette

11 mm round cuvette with automatic detection

Control elements: 8 Foil keys

Data interfaces: RS 232 C for LD 500-Printer

Mains connection: power supply unit 100-240 V, 47/63 Hz

Dimensions: 260mm x 90mm x 200mm (WxHxD)

Weight: approx. 1350g

Subject to technical modifications.

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E Annex

E1 Spares and Accessories

Identification: Quantity/Pcs. Order number:

Square plastic cuvettes 10mm * 50mm 50 6380

Square glass cuvette 10mm * 50mm 1 6376

Round glass cuvettes 11mm 494 6377

Cuvette holder for 16 round cuvettes 1 6382

Printer paper 4 reels 6388

Exchange lamp 1 6390

Test solutions addista-color 1 6384

Rechargeable battery 1.4Ah 1 6392

E2 Regulations5 and Standards

EN 1557 Colorimetric characterization of optically clear coloured liquids (products) as X,Y, Z - tristimulus values in transmission, 10.'92 (DIN 53995)

DIN 5033 Colour measurement (ASTM E 179, ISO 7724)

DIN 6174 Colorimetric evaluation of colour differences (ASTM E 308)

DIN 6162 Determination of iodine colour number

ISO 6271 Clear liquids;Estimation of colour by the platinum-cobalt-scale (Hazen colournumber, APHA colour number, also ASTM D 1045-58, ASTM D 268-49, ASTMD 1209-62, BS 2690:1956.)

ISO 4630 Estimation of colour of clear liquids by the Gardner colour scale, also ASTM D1544-80

ASTM D1500 Standard Test Method for ASTM Color of Petroleum Products (ASTM ColorScale), also DIN/ISO 2049.

ASTM D156 Standard Test Method for Saybolt Color of Petroleum Products (DIN 51411).

ASTM D1925 Yellowness-Index

ASTM D 6045 Standard Test Method for Color of Petroleum Products by the AutomaticTristimulus Method

5 Standards can be ordered at: Beuth Verlag GmbH, Burggrafenstraße 6, D-12623 Berlin, (++49-30/2601-0

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Notizen/Notes:

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