Aczet MB 54 Manuale utente

Moisture Analyzer

Operating Instructions

Aczet Moisture Analyzer

Electronic Moisture Analyzer

qDo not use a sample that could make

a dangerous chemical reaction and

cause an explosion or poisonous gas,

when the sample is heated.

qKeep flammables away from the

analyzer.

qDo not use the analyzer in ambient

ignitable gas. It may cause explosion

and fire.

qUse a power source (voltage,

frequency, outlet type) adapted to

the specification of the analyzer. If

excessive voltage is used, the

analyzer may overheat and be

damage or cause a fire.

qTurn off the power switch and remove

the power cord from the socket,

when replacing the halogen lamp.

Touching the halogen lamp connector

carelessly may cause an electric

shock.

qDo not disassemble the analyzer. It

may cause an error, damage,

receiving an electric shock or fire. If

the analyzer needs service or repair,

contact the local aczet service

center.

qAvoid getting the analyzer wet. It is

not a water-resistant analyzer. If

there is leakage of liquid into the

analyzer, it may cause damage to the

analyzer or receiving electric shock.

qDo not look at the active halogen

lamp to protect your eyes from

damage.

qDo not drop, hit or crack the

glassware including the halogen

lamp, to avoid any injury.

qWhen the halogen lamp is used

beyond 3000 hours, we recommend

replacing the lamp with a new one to

avoid trouble.

qWhen discarding a halogen lamp, do

not break it to avoid scattering glass

and injury.

CAUTION

qDo not touch the heater cover, the

halogen lamp, glass-housing, pan

handle, sample pan and sample

without adequate protection, it

could cause a burn or scar.

qParts of the analyzer are very hot

when a measurement finishes. For

operation, use the specified grips of

the heater cover and pan handle. Use

the standard accessory tools.

qWhen the analyzer is used in a room

where hot air does not diffuse, it

may unexpectedly overheat. In this

case, adjust the drying temperature

or move the analyzer to a place with

adequate ventilation.

qAvoid leaving the analyzer in direct

sunlight, as that could cause

discoloration of the case or a

malfunction.

qUse only aczet accessories as they

are optimally designed for use with

your moisture analyzer

Safety And Warning :

Introduction :

Moisture analyzer is used as a quick and reliable means of

determining the moisture content in solid, pasty and liquids

by the thermo-gravimetric principle. Moisture analyzer

saves work and speedup your routine measurement.

To ensure proper utilization of the moisture analyzer, go

through the operating instructions very carefully.

PRINCIPLE OF MOISTURE ANALYZER:

qWhat is moisture?

The moisture of a material is often mistakenly equated

with its water content. In fact, the moisture of a material

includes of all the volatile components which are given off

when the sample is heated, resulting in a decrease in sample

weight. Among such volatile substances are:

qWater

qOrganic solvents

qOils

qAlcohol

qFats

qFlavorings

qProducts of decomposition (When a sample is to

overtheated) etc.

There are many methods to determine the moisture content

of a substance.

Basically, these methods can be divide into two categories:

When absolute methods are used, the moisture content is

directly determined (for example, as a weight loss

registered during the drying routine). These methods include

oven drying, infrared drying, and microwave drying. All

three of these methods are thermo gravimetric.

When deductive methods are used, the moisture content is

indirectly determined.

A physical property, which is related to the moisture in the

substance, is measured (e.g., absorption of electromagnetic

rays). These methods include Karl-Fischer titration, infrared

spectroscopy, microwave spectroscopy, etc.

Thermo gravimetric is the process of determining the loss of

mass that occurs when a substance is heated. In this process,

the sample is weighed before and after being heated, and

the difference between the two weights is calculated.

In a conventional drying oven, circulating hot air warms the

sample from the outside to the inside. Efficiency is lost

during drying because as the moisture evaporates, it cools

the sample surface.

By contrast, infrared rays (IR rays) penetrate a sample

without being impeded. Having reached the interior of a

sample, they are converted into heat energy, which

stimulates evaporation, thus drying the sample. A small part

of the IR rays is reflected from the surface of the substance.

qHow does a moisture analyzer work?

The moisture analyzer consists of two essential components;

a weight analyzer and a heater. The sample is placed in the

moisture analyzer and the analyzer captures the initial

weight. An infrared energy heater is used to heat the sample.

During the test the analyzer records the weight. When the

sample no longer looses weight the analyzer shuts off the

heat and uses the final weight to calculate moisture

contents.

Infrared rays

Volatile Contents

Heated

Area

Samples

Type / Model

Max Weighing Capacity

Readability

Readability moisture %

Repeatability (Std Dev), %M

for initial Sample weight = 2g

for sample weight = 10g

Tare Range

Min Mass of sample

Drying temperature range

Switch off criteria

Heating Profile

Unit of Measurement

Heating Unit

Program Memory

Compile

Data storage Memory

Statistics

Stand by temperature

Data Interface Port

Print Out

Display

Power Supply

Power Consumption (Watt)

Housing Dimension mm

Weight Approx

Packing Dimension mm

0 0

30 C to 175 C

Auto, Manual, User Def

Weight / Time, User Def

% unit / time, Intelligent

Standard, Gentle, Rapid,

Steps, High Temperature

% M, %D, %R (ratio), Gm/Lt,

%M Atro, %D Atro

Infra Red Halogen

40 Method

Yes

Last 1000 results storage

Method or Batchwise last more than

9,99,999 data statistics are stored

0 0

30 C to 100 C

RS232C Bidirectional, USB, Ethernet, PS2

GLP Compliant, User Configurable

Graphical LCD display with LED backlit

230 v/50Hz or 115v/60Hz

Max 415

211 (w) x 342 (d) x 187 (h)

5kg

325 (w) x 390 (d) x 285 (h)

MB 200

200 g

0.001g

0.001%

0.1%

0.03%

200 g

200 mg

MB 40

40 g

0.001g

0.001%

0.1%

0.03%

40 g

200 mg

MB 50

50 g

0.001g

0.001%

0.1%

0.03%

50 g

200 mg

MB 54

50 g

0.1 mg

0.0001%

0.05%

0.02%

50 g

200 mg

MB 120

120 g

0.001g

0.001%

0.1%

0.03%

120 g

200 mg

Technical Parameters :

Getting Started :

Transportation and storage:

Transportand Shipping

qMoisture analyzer is a precision analyzer. Handle it with

care.

qAvoid shaking it or subjecting it to any heavy jolts or

vibrations during transport.

qAvoid severe temperature fluctuations and getting the

analyzer damp (condensation) during transportation.

qAvoid direct exposure to sunlight.

qNOTE:

The moisture analyzer should ideally be shipped and

transported in its original packaging to avoid damage

in transit.

Storage

If you do not intend to use the analyzer for a long time,

unplug it from the electrical supply, clean it

thoroughly and store it in a place that meets the

following conditions:

qNo shaking or vibrations.

qNo fluctuations in temperature.

qNo direct exposure to sunlight.

qNo moisture.

Unpacking :

Moisture analyzer comes in environment-friendly

packaging specifically developed for this precision

analyzer, which provides optimum protection to the

analyzer during transportation.

Follow instructions carefully when you unpack the

Moisture analyzer in order to avoid damaging it:

qThis is a precision analyzer, Unpack the analyzer

carefully and gently.

qWhen temperature outside is very low, the analyzer

should first be stored for a few hours in the unopened

transport package in a dry room at normal room

temperature, so that no condensation settles on the

analyzer when it is unpacked.

qCheck the moisture analyzer for any external

noticeable signs of damage immediately after you

unpack it. If you find that it has been damaged in

transit, inform your Aczet Service Center

immediately.

qIf the is not being put into operation immediately after

purchase, store it in a dry place with minimal

fluctuations in temperature.

Dimension :

Selecting The Location :

The moisture analyzer is designed to provide reliable

results under normal ambient conditions in the laboratory

and in industry. When choosing a location to set up your

moisture analyzer, observe the following so that you will

be able to work with added speed and accuracy

qTolerable ambient temperatures

qTemperature: 15°C - 30°C

qRelative humidity: 25% - 85%, non-condensing

qPut the analyzer on a rigid, firm flat base,

preferably exposed to no vibrations.

qMake sure that the analyzer cannot be shaken or

knocked over

qDo not expose it to direct sunlight

qAvoid drafts and excessive temperature fluctuations

qLeave enough clear space around the analyzer to

prevent a buildup of heat.

qDo not expose the analyzer to high levels of

moisture for long periods of time. Avoid letting

condensation form on the analyzer. If analyzer is

cold, let them warm up to room temperature

(approx. 20°C) before connecting them to the

mains.

qCondensation is practically impossible on analyzer

which is connected to the mains.

INSPECTION AND ASSEMBLY

The moisture analyzer does not come fully assembled.

Once you have unpacked all the parts, check that the

delivery is complete and assemble the individual

components in the order indicated below.

Accessories delivered:

q25 aluminum pans

q1 sample holder

q1 pan insert

q1 power cable

q1 CD for Operating Manual

q1 Pan cover

q1 Pack of fuse

Levelling your Balance :

Purpose:

qTo compensate for irregularity at the place of

installation

qThis is particularly important for testing liquid

samples, which must be at a uniform level in the

sample pan

qAlways level the moisture analyzer again every time it

has been moved to a different location.

qRotate the leveling feet as needed to adjust the

moisture analyzer

qIn order to function properly, the moisture analyzer

must be precisely horizontal.

qThe analyzer is fitted with a "leveling bubble" and two

rotatable feet for level-control, with the aid of which

it is possible to compensate for small height

differences and/or unevenness in the surface on

which the analyzer is kept.

qThe screw feet must be adjusted so that the air bubble

is precisely in the center of the sight glass of the

leveling bubble.

qPlease refer for leveling of the Analyzer.

Follow safety instructions when connecting the analyzer to

the mains:

NOTE:

qThe analyzer may only be operated using the original

mains cord supplied.

qIf the mains cord supplied is not long enough, only use

an extension cord fitted with a protective earth

conductor.

qPlug the mains cord into a socket which has been

installed in accordance with regulations and is fitted

with a PE terminal.

For technical reasons, the heating unit is designed in the

factory to accommodate a voltage of 230 V or 115 V and in

accordance with your order. Check that the settings match

the local settings

Warm up time:

To obtain the precise results, the moisture analyzer must

warm up for at least 30 minutes

after initial connection to AC power or after a relatively long

power outage. Only after

this time will the moisture analyzer give the desired

performances of the moisture

determination.

Note: The analyzer must be carefully relevelled each time it

is moved in order to obtain accurate measurement

No. Designation

1 Top Chamber

2 RTD Insert

3 Display

4 Keypad

5 Goto/Menu key

6 Method/Batch Key

7 Alpha / Numeric On / Off key

8 Toggle Key

9 Reset/Exit Key

10 Tare Key

11 Start / Stop Key

12 Print Key

13 Up/Down/Right/Left Arrow Key

No. Designation

14 Power ON / OFF Key

15 Pan Cover

16 Pan Holder

17 Pan Stand

18 Pan

19 Legs

20 Ethernet Port

21 USB Port

22 Rs232 Port

23 Foot Key

24 Ps2 Connector

25 AC Plug

26 Cooling Fan

Symbol Description

qThis key is used to put the analyzer in Stand-by mode and to wake up

from the stand-by mode.

qThis key is active in all the menus, sub-menus and moisture

qPressing this key once makes the use of 'GO TO' function

and pressing it for two seconds makes the use of 'MENU'

functionality.

qThe 'GO TO' functionality is a short-cut key that can be

configured in settings=> soft key.

qBy default, the short-cut assigned to 'GO TO'/ MENU key is ‘

MAIN MENU'.

qThe 'MENU' function displays the very first menu of the MB.

qThis key can be used to come back to simple weighing from

anywhere in the menu.

qThis key will not be active during the drying process.

qPressing the key once makes the use of METHOD function

and pressing it for 2 second makes the use of BATCH

function.

qIn METHOD function, the user will go directly to the Method

List,

qIn BATCH function, the user will go directly to the Batch List,

if it is activated by the user.

qThis key is used to activate the alphabet and symbol keys on

the number keys wherever it is required.

qPressing this key once activates the number keys in to

alphabet keys and pressing it again get the number keys

back into the alphabet state.

qDuring the drying process, this key will be deactivated.

qThese keys are multiplexed with special symbols and

alphabets.

qDuring the drying process, these keys will be deactivated.

qIf alphabets are active, pressing the key again within 1

second will print the second value in the given set.

qIf no other key is pressed, then after 1 sec, the cursor will

shift to the next position.

qIf any other key is pressed within this 1 sec, the last pressed

character will be taken at the corresponding place and the

current key pressed will be taken on the next character and

the timer for 1 sec will start again.

qSingle press of this key gives a decimal point, pressing it

second time will give 'blank space' if alphabet key is not

previously pressed. For other options the alphabet key must be pressed.

qPressing this key for the first, second, third and fourth time will give '

blank space', ':', '*' and decimal point respectively, with alphabet key

previously pressed.

Display during drying if Intelligent switch-off is selected.

qPress Manually for Printing

Used as Cancel Function key for the Paste option in Method List & Info

Name

On / Off Key

Menu & Go-to key

Method &

Batch key

Alpha bet key

Number Keys

Decimal Point &

space key

Print Key

3.7 Keypad Description :

done by single press any time during the weighing.

qIt can be used as 'Delete' key in method list.

qThis key can be used as 'Backspace' whenever there is alpha-numeric

value to be entered and as 'Delete' in User ID, password and ID.

qThis key will be deactivated during the drying process except in the

Steps heating profile.

qIf Steps heating profile is selected and drying is going on, this key can be

used for 'Info Display'.

qAlso used to remove parameters from selected list in print format.

qThe 'Start/ Stop' function is to Start or Stop the drying process.

qThe process of heating can be started if stopped by single press of the

key any vice-versa by single press.

qThe 'Enter' function is used to confirm certain value that can be numeric

as well as alpha numeric.

qAfter 'Enter' is pressed, the value is stored.

qThe 'EXIT' function is used to exit back to the pre analysis mode from

anywhere in the menu.

qThe 'RESET' function is used to reset the process after getting the result

and starting the process again. Pressing it after getting the final result

brings the system back to simple weighing.

qThe Exit is active in menu and sub-menu and Reset is active after the

completion of process.

qThe 'Cancel Function' won't be active in processes like drying, printing,

data transfer, calibration, hardware test etc.

qIt is also used to exit from previous result menu to current result display.

qThis key provides two functions: Toggle and ID.

qThe Toggle function is used to change the drying units.

qThe ID function is used to change the available IDs and store them.

qThe ID function is active only in pre analysis mode.

qThe Toggle function is active only in drying mode.

qWhen step and intelligent are used together this key is used to display

internal result.

qThese keys are used to navigate through the menus and sub-menus.

qDuring the drying process, these keys are inactive.

qAfter the process, the keys are used to view past result and their

statistics.

qThe Left Arrow key is used to exit a sub-menu in the menu list and to

take one step back.

qAfter the completion of process, this key is used to scroll through the past

results.

qPressing left will show the chronologically descending results.

qThe Right Arrow key is used to enter a sub-menu in the menu list.

qAfter the completion of process, this key is used to scroll through the past

results once the Left Arrow key is pressed.

qThe Up Arrow key is used to navigate in upward direction in the menu list.

qAfter the completion of the process, this key is used to enter the statistics

of the result obtained.

qIf this key is used to after using the left or right arrow, the statistics of

previous results are shown.

qThe Down Arrow key is used to navigate in downward direction in the

menu list.

qAfter the completion of the process, this key is used to exit the previously

entered statistics (by left and up arrow key) of the result obtained.

qPressing this key without the Up Arrow key previously pressed will have

no effect.

In pre analysis mode, this key is used to Tare the weight, which can be

Symbol

Name

Tare Key

Start / Stop &

Enter Key

Exit / Reset

Cancel Function

Key

Toggle key

Navigation key

The left arrow key

The Right arrow

key

The Up arrow key

The Down arrow

key

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