Hach TitraLab Total Hardness Kurzanleitung

DOC022.97.90467

TitraLab Total Hardness

08/2013, Edition 1

Basic User Manual en

Manual básico del usuario es

Manuel d'utilisation de base fr

Manual do utilizador básico pt

English ....................................................................................................................................... 2

Français ................................................................................................................................... 16

Español .................................................................................................................................... 30

Português ................................................................................................................................ 44

English

Specifications

Specifications are subject to change without notice.

Performance specifications

Measuring principle Complexometric titration. Potentiometric determination

Application area Determination of Total Hardness (Calcium and Magnesium) content in water

Measuring range Min. 0.3 mL or 6 ppm CaCO3 , Recommended max. 10 mL or 200 ppm CaCO3

Maximum titration system capacity of 20 mL or 400 ppm CaCO3

Resolution Dependent on the selected units

Electrode Calcium ion selective electrode (combined electrode)

Languages English, Spanish, French and Italian

Data logger 55 data records

Date/time DD-MM-YYYY

Display 128 x 64 pt, backlit liquid crystal display

Keypad 7 membrane keys, splash-proof, PET, lifetime of >6 million key-presses

Burette

Resolution 0.001 mL

Material of syringe Polypropylene

Volume 10 mL

Tubes White PTFE tubes

Peristaltic pump

Volumetric flow 100 mL/min

Tube Novoprene (internal diameter 2.4 mm)

English

Inputs and outputs

Measuring electrode BNC connector; maximum voltage ±2.2 V, maximum current 1 mA.1

Magnetic stirrer RCA connector (cinch), maximum voltage 12 V, maximum current 150 mA2

Computer or printer RJ11 telephone connector

Power supply, external

Instrument input: 24 V 45-65 Hz, 1 A

External power supply delivered:

Input: 100-240 VAC, ±10 %, 50-60 Hz, Output: 24 VDC, 1.33 A

Mouse Mini-DIN connector

Dimensions of measuring instrument and environmental conditions

Enclosure material ABS and enameled steel

Weight approximately 4 kg

Dimensions 130 x 160 x 300 mm

Working temperature +15 to +40 °C (+60 to +104 °F)

Storage temperature –10 to +50 °C (+14 to +122 °F)

Air humidity <80% relative humidity, non-condensing

Altitude requirements Standard 2000 m (6562 ft) ASL (Above Sea Level)

Certification

Certification CE

Electrical security According CE, EN 61010

Electromagnetic compatibility According CE, EN 50081-2 and EN 50082-2

Warranty

Warranty 1 year

1 Only for supplied electrode.

2 Only for supplied stirrers.

English

General information

Safety information

Please read the entire user manual carefully before the equipment is

unpacked, set up or put into operation. Pay attention to all danger and

warning statements. Failure to do so could result in serious injury to the

operator or damage to the equipment.

To make sure that the protection provided by this instrument is not

impaired, do not use or install this instrument in any manner other than

that specified in these operating instructions.

Note: Information that supplements points in the main text.

Warning labels

Read all labels and tags attached to the instrument. Failure to do so may

result in personal injury or damage to the instrument.

For symbols applied to the instrument, corresponding warnings are

provided in the user manual.

Safety information for the correct use of the instrument

•This instrument is intended only for indoor use.

•Do not vibrate or jolt the instrument.

NOTICE

The manufacturer is not responsible for any damages due to misapplication or

misuse of this product including, without limitation, direct, incidental and

consequential damages, and disclaims such damages to the full extent permitted

under applicable law. The user is solely responsible to identify critical application

risks and install appropriate mechanisms to protect processes during a possible

equipment malfunction.

DANGER

Indicates a potentially or imminently hazardous situation which, if not avoided, will

result in death or serious injury.

WARNING

Indicates a potentially or imminently hazardous situation which, if not avoided,

could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation that may result in minor or moderate

injury.

NOTICE

Indicates a situation which, if not avoided, may cause damage to the instrument.

Information that requires special emphasis.

This symbol, if noted on the instrument, references the instruction

manual for operation and/or safety information.

This symbol may be found on an enclosure or barrier within the

product and indicates a risk of electrical shock and/or death by

electrocution.

Electrical equipment marked with this symbol may not be disposed of

in European domestic or public disposal systems after 12 August

2005. In conformity with European local and national regulations,

European electrical equipment users must now return old or end-of

life equipment to the manufacturer for disposal at no charge to the

user.

Note: For return for recycling, please contact the equipment

manufacturer or supplier for instructions on how to return

end-of-life equipment, manufacturer-supplied electrical

accessories, and all auxiliary items for proper disposal.

English

•Do not open the instrument. Only authorized and trained personal is

allowed to open the instrument. Follow the following safety

information, in addition to any local guidelines in force.

•Guarantee is voided if the instrument is not used in accordance with

the guidelines present in this document.

Chemical and biological safety

Normal operation of this instrument may involve the use of hazardous

chemicals or biologically harmful samples.

•Observe all cautionary information printed on the original solution

containers and safety data sheet prior to their use.

•Dispose of all consumed solutions in accordance with national

regulations and laws.

•Select the type of protective equipment suitable to the concentration

and quantity of the dangerous material at the respective work place.

Installation

Unpack the instrument

Unpack all supplied parts carefully, as they are highly sensitive in part to

shock and impact. Read the user manual prior to installation and

proceed exactly as described.

Scope of delivery

Please check that the order is complete. If anything is missing or

damaged, please contact the manufacturer or retailer.

WARNING

Potential danger in the event of contact with chemical/biological materials.

Handling chemical samples, standards and reagents can be dangerous.

Familiarize yourself with the necessary safety procedures and the correct

handling of the chemicals before the work and read and follow all relevant safety

data sheets.

WARNING

This instrument has been developed to meet the requirements of volumetric

titration applications. It is therefore aimed at experienced users who have the

knowledge required to operate the instrument and implement the security

instructions enclosed. Remember that this instrument must not, under any

circumstances, be used to perform test on living beings.

DANGER

Only qualified personnel should conduct the tasks described in this section of the

manual.

Safety of any system incorporating this instrument is responsibility of the

assembler of the system.

WARNING

Risk of injury to eyes, skin and respiratory

When working with chemicals and/or solvents, always observe the relevant

accident prevention regulations and wear appropriate personal protective clothing

for eye, face, hand, body and/or respiratory protection.

Make sure that the system is only unpacked, assembled, connected and operated

by qualified and/or trained personnel.

English

Figure 1 Scope of delivery

1TitraLab Total Hardness system 8Combined Calcium (Ca2+) Ion Selective electrode with cable

22x Tube with bottle closure, DIN 45 thread 9Adapter for power supply

32x Tube to attach to electrode 10 Power supply, external

4Titration stand holder including magnetic stirrer 11 Hardware sleeve

510x titration beakers, PP, 100 mL 12 Syringe with plunger

610x Teflon magnetic stirring bars (20 mm x 6 mm) 13 2x Desiccant cartridge with stopper

710x white O-rings for burette and pump threads

English

Operating environment

Note the following points so that the instrument will operate perfectly and

have a long service life.

•Place the instrument firmLy on an even surface. Do not push any

objects under the instrument.

•The ambient temperature must be +15 to +40 °C (+60 to +104 °F).

•The relative humidity should be less than 80%; moisture should not

condense on the instrument.

•A minimum clearance of 15 cm (5.9 in.) must be ensured above and

on all sides of the device; this allows the air to circulate and

prevents overheating of the electric parts. The dosage arm of the

stepper motor must be able to move freely.

•Do not operate or store the instrument in extremely dusty, humid or

wet locations.

•Make sure that no liquids enter the instrument and immediately wipe

away any liquids that contact the instrument.

•Protect the instrument against vibrations, direct sunlight, corrosive

gases as well as strong magnetic and/or electric fields.

•Only use genuine replacement parts and accessories.

•Install the instrument in a levelled place and on a compact surface

to minimize the sound level of the instrument. This will avoid

undesired resonances that can increase the sound level.

•Keep the surface of the instrument and all accessories clean and

dry at all times. Splashes or spills on the instrument should be

cleaned up immediately.

The instrument must be serviced by the manufacturer's service

department at the prescribed intervals.

Installation

Installation of the burette

The burette dispenses the titrant: EDTA 0.010 M TitraVer (P/N 20553)

solution.

The burette comprises the syringe, stepper motor and valve. The

stepper motor and valve are already installed in the TitraLab; the syringe

has to be installed by the user.

Note: Make sure that you do not misplace the attachment sleeve for the

syringe. It is not provided with a new syringe.

1. Push the syringe piston into the syringe body.

Slide the attachment sleeve fully onto the syringe so that the

narrow end points toward the piston.

2. Remove the syringe cover by unscrewing it.

WARNING

The instrument may not be used in dangerous environments.

The manufacturer and its suppliers reject any express or indirect guarantee for

use with high-risk activities.

NOTICE

Protect the instrument from temperature extremes, including heaters, direct

sunlight and other heat sources.

WARNING

Risk of injury to pinch points and cuts

Make sure that the titrator is never used/operated without the syringe cover.

Do not introduce your fingers on the bottom of the cover while the instrument is

connected.

Make sure that the system is only assembled by qualified and trained personnel.

NOTICE

Warning against system damage

Make sure that the syringe is never operated without the attachment sleeve.

Only use genuine replacement parts and accessories.

The instrument must be serviced by the manufacturer's service department at the

prescribed intervals.

English

3. Point the syringe tip upward, place the syringe into the bracket

such that the attachment sleeve is above the bracket.

4. Hold the attachment sleeve in the bracket and screw the syringe

onto the valve from below.

With the narrow side facing down, carefully press the attachment

sleeve into the bracket.

5. Withdraw the piston from the syringe and place it onto the screw in

the dosage arm. Hold the syringe piston and turn the attachment

screw on the dosage arm into the thread in the piston.

6. Fix the syringe cover with six screws.

Figure 2 Installation of the burette

Installation of the titration stand

The titration stand consists of a holder onto which the electrode, titration

cell and magnetic stirrer are attached. The titration is performed in the

titration cell.

1. Place the titration stand on the right side (syringe side) of the

titrator (observe the routing of the cable).

2. Place a magnetic stirring bar into a titration cell.

Place a titration cell over the magnetic stirrer.

3. Place the rubber ring on the stand rod to set the minimum height of

the electrode holder.

WARNING

Risk of injury to eyes, skin and respiratory

During the first days of system use, check the screw joint between the syringe and

valve to avoid leaks and the potential escape of reagents.

When working with chemicals and/or solvents, always observe the relevant

accident prevention regulations and wear appropriate personal protective clothing

for eye, face, hand, body and/or respiratory protection.

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