GPS Instrumentation Ltd
Potentiometric Titrator AT-710s

Potentiometric Titrator AT-710S

Convenient operation, versatility and safety: The AT-710S titrator comes with a large TFT colour touch screen and offers everything required to perform all kinds of titrations, from simple acidity determinations to fully automated titration procedures
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Product Description

Convenient operation, versatility and safety: The AT-710S titrator comes with a large TFT colour touch screen and offers everything required to perform all kinds of titrations, from simple acidity determinations to fully automated titration procedures requiring several burettes to add auxiliary reagents or to do back titrations. Features like automatic correction of the thermal expansion of the reagents, automatic storage of the reagent data directly in the burette and comprehensive check functions ensure reliable results.

 

No printer required
Paper saving and environmentally friendly – results no longer need to be printed: Measurement results are converted to PDF and can be stored in a USB flash drive.

 

Full GLP compliance
The AT-710S offers comprehensive GLP functions which ensure that system performance checks are performed at regular intervals. Up to 100 records of system performance checks, burette precision validations and sensor calibrations are stored in the instrument.

 

No errors due to temperature fluctuations
The AT-710S monitors the temperature of the titration reagent and corrects errors due to volume expansion automatically.

Now comes with an included flexible qwerty keyboard.

Details

Applications

Technical Specifications

Multiple Sample Changer CHA-700

CHA-700 Sample Changer

Zero Touch Operation: Unprecedented ease of use

The CHA-700 Sample Changer combines the advantages of an automation system with a totally new operating philosophy, which brings the conventional ‘how many clicks are required per measurement’ debate to an abrupt end: Zero Touch Operation does not mean fewer clicks required per measurement – it means no click at all!

The CHA-700 is an automatic titration stand with seven positions: One position is reserved for a beaker to clean and store the electrode. Each of the other six positions can freely be assigned to a certain type of measurement. To start a measurement, the operator simply needs to put the sample into the corresponding position – no method to select, no task list to fill, no start button to click. The system performs the titrations exactly in the order in which the samples have been put onto the tray. During operation, already titrated samples can continuously be replaced by new ones. This saves valuable time, as the operator does not have to wait for a titration to finish in order to put a new sample. Even urgent samples can be titrated immediately without needing to touch any key, performing the following fully-intuitive procedure: The operator lifts the less urgent samples briefly up to change the order in which they will be processed. That’s it! As soon as all the samples are processed, the electrode returns to the reserved position and remains there.

CHA-700 Sample Changer

Smallest space requirements with optimal functionality

A fully fledged titration system hardly occupies more bench space than a normal potentiometric titrator with it’s titration stand. It goes without saying that it is far more compact than any other automated titration system but there are three other important advantages compared to such systems:

  • There is no acceleration of a turntable which could cause the samples to spill over.
  • All the samples can easily be replaced at anytime, there is never a sample at the rear of the turntable which hardly can be reached.
  • Changing the order in which the samples are processed is an easy task: The samples only need to be lifted up in the desired order – no need to rearrange the order of the beakers on the tray.

Adaptable to your specific requirements

The standard version of the CHA-700 is designed to be used with 250 mL or 200 mL standard beakers or disposable cups. Thanks to optional adapters several or all positions can easily be modified to hold 100 mL beakers or 50 mL disposable cups.

The CHA-700 can control an external pump which allows to equip it with a powerful shower/drain system to thoroughly clean the electrode and the stirrer after titrations.

 

Specifications
Number of samples up to 6 up to 11
Sample beakers Standard:
250 mL beaker, 200 mL beaker,
200 mL disposable cup
With adapters (option):
100 mL tall beaker, 100 mL beaker,
50 mL beaker, 100 mL disposable cup		 50 mL beaker,
100 mL disposable cup
Cleaning Standard: Dipping in (beaker at fixed position)
Option: Shower / drain cleaning
Rinse solution Water, alcohol, etc.
Stirrer Propeller stirrer
Sequence setup Defined by the order the samples are put onto the tray.
Sequence control By the titrator.
Each position can be assigned to a certain type of measurement (method).
Display LED (power, remote, beaker)
Each position has it’s own LED.
Communication SS-bus (2 ports): For AT-700 Titrator and Automatic Piston Burette (APB).
Pump (1 port): For Shower/Drain pump
Dimensions 365 (W) × 443 (D) × 315 (H) mm
Ambient conditions Temperature: 5 … 35°C
Rel. humidity < 85% (no condensation)
Power supply DC24 V 1.9A
AC 100 … 240 V ± 10% 50/60 Hz		 Comes with AC adapter
Power consumption Approx. 20 W
Weight Approx. 8 kg

Multiple Sample Changer CHA-600

CHA-600-12 Sample Changer

Unique concept for cleaning and preconditioning

The CHA-600 Multiple Sample Changer offers much more performance and flexibility than traditional titration sample changers, as it is based on an unique concept for cleaning and preconditioning of the electrodes between titrations: Instead of cleaning the electrodes with a shower on top of a titration beaker or dipping them into special dedicated cleaning and pre-conditioning beakers, the titration head moves into a stationary rinsing container. This operating principle offers several substantial benefits:

  • No rinsing and conditioning beakers required.
  • Easier setup of the titration sequence.
  • No unnecessary back and forth rotations of the turntable.
  • More powerful cleaning.
  • No splattering around of rinsing solvents.
  • No obscure jumble of tubes on the titration head.
CHA-600 external pumps

Advanced liquid handling

The CHA-600 features 2 built-in persistaltic pumps. For special applications like non aqueous titrations or applications which require a pre-treatement of the samples or the addition auxiliary reagents the CHA-600 can control several additional external diaphragm and/or peristaltic pumps and an automatic piston burette. The additional pumps can as well be used to automatically empty the beakers after titration and to collect the organic and inorganic waste in different containers. They enable the CHA-600 at the same time to perform series of aqueous and non-aqueous titrations in a row, applying different rinsing and pre-conditioning steps according to the nature of the samples to be titrated.

CHA-600 water circulator

Heating or cooling samples? No problem!

Volatile samples sometimes require cooling, others require heating either because they are solid at room temperature or in order to speed up chemical reactions. The CHA-600 can do both, as it can be equipped with a water bath connected to a circulating thermostat in order to heat or cool the samples as soon as they are put into the turntable.

CHA-600 unit stage

Minimum space requirement

Bench space is often limited. With the optional unit stage, the CHA-600 does not occupy any additional bench space.

CHA-600 evaporation protection

Increased workplace safety

Space in the hood is even more precious. When highly toxic or volatile samples need to be analysed the CHA-600 can be equipped with an evaporation protection or with its own hood.

Specifications
Number of samples 12 (CHA-600-12) / 18 (CHA-600-18)
Sample beakers CHA-600-12: 200 mL sample cup, 200 mL beaker, 300 mL tall beaker,
300 mL Erlenmeyer flask
CHA-600-18: 100 mL sample cup, 50 mL beaker
Cleaning Shower / Rinse
Rinse solution Water, alcohol, etc.
Stirrer Magnetic stirrer built in
Magnetic stirrer in rinse bath (optional)
Propeller stirrer (optional)
Sequence setup On automatic titrator
Sequence control Automatic by titrator
Manual by key
External control via RS232C
Display LED
Communication RS232C for Personal Computer
S-bus cable for AT-510/AT-610 Titrator
Dimensions 520 (W) × 434 (D) × 509 (H) mm
Ambient conditions Temperature: 5 … 35°C / Rel. humidity < 85% (no condensation)
Power supply AC 100…120 V, 200…240 V ± 10% 50/60 Hz
Power consumption 50 W
Weight Approx. 17 kg

Software

Soft Cap Data Capture Software

SOFT CAP Data Capture Software

The easy way to transfer your results directly to Microsoft EXCEL

The Data Capture Software is an easy to use and flexible solution to collect measurement results from different KEM instruments (Refractometers, Density Meters, Potentiometric or Karl-Fischer Titrators, Thermal Conductivity Meters) on a Windows personal computer.

  • Up to four different instruments can be connected to one single PC and be used simultaneously. Two of these instruments can be of the same model.
  • The results can directly be stored in EXCEL workbooks. The measured results are always available at a glance in a clear and concise manner.
    • As soon as a measurement has finished, the result appears in the corresponding worksheet.
    • The layout, order and the format how the results are stored in EXCEL can freely be adapted to specific needs.
    • Results can be automatically be processed by EXCEL macros as they are transmitted to the PC. Additional data (comments, sample data, etc.) can be entered at any time by means of the PC keyboard or a barcode reader.
  • All results can at the same time be stored in as CSV files.

System Requirements for PC

Specification Description
Computer Personal computer with Pentium II CPU of 233MHz or better
Operating system Microsoft Windows 2000, XP,
Vista (Home Basic, Business), 7 (Home Premium, Professional)
Other programs Microsoft EXCEL 97 / 2000 / 2003 / 2007
RAM at least 128 MB / 512 MB recommended
Hard disc space 10 MB required for installation
Display Resolution higher than 640 * 480
Disk drive CD-ROM or DVD-ROM
Interface 1 USB port
RS-232C D-sub (male) 9 pin required for each additional instrument
to be connected to the same computer.

AT-WIN Titration Software

AT-Win Titration Software / User Management

Full GLP compliance

The AT-WIN titration software upgrades your titrator to a personal computer controlled titration system which offers full GLP compliance:

  • Comprehensive user management with username / password and individually assignable user rights.
  • Automatic electrode and sensor calibration overdue alerts, automatic storage of calibration histories.
  • Burette validation function including alert for periodic performance checks and piston-head change.
  • Alert for period checks of the system with standard substances, automatic storage of the check history.
AT-Win Titration Software / Method Wizard

Intuitive user guidance – easy setup – more reliable results

An intuitive dialogue based wizard makes the setup of new titration methods a snap. The AT-WIN software comes with an exhaustive database containing the ideal measuring conditions for many applications – including pdf documents with detailed descriptions of the methods. During setup of the method the entire standard operating procedures which tell you exactly which sensors and titrants to use and how to perform the titrations appear directly on the screen.

AT-Win Titration Software / Results Database

Comprehensive documentation – simple data exchange

The results of all titrations and performance checks are stored in a database. To access this data later on in order to evaluate it statistically, to export it, to print it out or to re-calculate it, AT-WIN offers the entire spectrum of data base filter and sort functions. For documentation purposes, the results can not only be printed out in a freely definable format, they can as well be exported as Microsoft Word documents, to a Microsoft ACCESS database or as csv files in order to use them in spreadsheet programs like Microsoft EXCEL.

Software Specifications

Specification Description
Name AT-WIN Titrator Software, compliant with electronic records
Method files AT-510 AT-500N AT-700
Normal method file yes yes yes
Combined method file yes no yes
Titration type Full (EP stop) yes yes yes
Auto EP stop yes yes yes
EP level stop yes yes yes
Auto intersect yes yes no
pH stat titration yes no no
Special titration Dissociation constant (pKa), auto preamplifier change-over
Display Measurement screen Real time time titration curve, titration mode,
burette number, sample number, lot number,
titration volume, potential
Parameter screen Method parameters (conditions, formulas, etc.),
sample parameters (sample size, method filename,
lot number, sample name, constants, etc.)
Help screen SOP, description of parameters, operating manual
System information Status of connected titrator, burettes and
sample changer
Printout Measurement results, data list, method parameters, sample parameters.
Individual name for each constant, temperature expansion compensation
coefficient for titrant.
Data files Measurement results and parameters stored on hard disc. The maximum
number of records which can be stored depends on the capacity of the
hard disc.
Data processing Statistics Mean, standard deviation, rel. standard deviation
Re-calculation Sample size, constant, factor
EP re-detection
(re-evaluation)		 Auto EP, manual EP, auto intersect,
manual intersect, limited EP
Data transfer Report in MS Word format, data export in CSV and
MDB format, output to external PC
Security User identification with name and password.
Individually assignable user rights.
User guidance Display of working instructions.
Possibility to enter sample sizes and comments.
GLP/GMP Electrodes Alert of calibration day, record of results
Periodic checks Alert for periodic system performance check,
record of results
Burettes Alert for burette capacity validation,
record of validation results,
alert to replace reagent and piston head.
Operational record Record of all AT-WIN operation steps performed.
Alarm messages Key entry, calculation errors, malfunctions, etc.
Model compatibility AT-510, AT-500N1, AT-500N2

System Requirements for PC

Specification Description
Computer Personal computer with Pentium II CPU of 233MHz or better
Operating system Microsoft Windows 2000, XP,
Vista (Home Basic, Business), 7 (Home Premium, Professional)
Other programs Microsoft EXCEL 97 / 2000 / 2003 / 2007
RAM at least 128 MB / 512 MB recommended
Hard disc space 10 MB required for installation
Display Resolution higher than 640 * 480
Disk drive CD-ROM or DVD-ROM
Interface 1 USB port
RS-232C D-sub (male) 9 pin required for each additional instrument
to be connected to the same computer.

Tview6 Software

Tview5 Titration Software

Convenient handling of titration data

Titration results are frequently printed out on A4 printers and/or archived on personal computers.
In certain cases, however, it is not ideal or even impossible to have a personal computer or an A4 printer near to the measuring system. In such cases, the Tview6 software is the ideal solution:

  • The AT-610/AT-510 Automatic Potentiometric Titrators and the MKA-610/MKC-610 Karl Fischer Moisture Titrators can store the results of up to 300 titrations on an USB flash drive (memory stick, AT-610, MKA-610 and MKC-610 only) or a compact flash card. The results stored on the memory stick or compact flash card contain all the relevant data, such as calculated results, titration curves, operator names, sample and measuring parameters.
  • With the Tview6 software the results stored on the memory stick or compact flash card can be archived, evaluated, printed out exported to other PC programs like Microsoft Excel, Access or Word.

Tview6 offers numerous possibilities to archive, evaluate and print the titration data:

  • Based on the titration curve data the endpoints can be reevaluated: The Tview6 software allows to simulate the endpoint detection of titration curves obtained with an AT-610 titrator and is thus a valuable tool to develop and optimize titration methods for difficult applications.
  • If required, results can be recalculated based on modified calculation formulas, constants, sample sizes, etc.
  • The filters and statistical functions of Tview6 make it easy to keep an overview of the results and to analyse them statistically.
  • The curves of several titrations can be superimposed.
  • Results can be printed out in freely definable formats based on customizable Microsoft Word templates.
  • The results can be exported to database and spreadsheet programs.

Software Specifications

Feature Description
Displays Titration curves
Calculations
Data lists
EP reevaluation 1) Automatic reevaluation
Manual reevaluation
Auto intersect
Manual intersect
Limit number of endpoints
Recalculation By modifying factors, blank values, constants, formulas
and sample sizes
Statistics Mean value
Standard deviation
Relative standard deviation
Superimpose 2) Superimpose of max. 10 titration curves
Print Based on MS Word templates.
1, 2 or 4 results per page
Results lists
Data export To MS Word (.doc), Access (.mdb) or any spreadsheet program (.csv) like MS Excel

1) AT-610 Titrator only        2) AT-510 and AT-610 Titrator only

System Requirements for PC

Specification Description
Computer Personal computer with CPU of 500MHz or better
(Intel Pentium/Celeron family, AMD K6-2/Athlon/Duron family or Intel compatible CPUs)
Operating system Microsoft Windows 2000 (SP > 4), XP (SP > 1),
Vista (Home Basic, Business), 7 (Home Premium, Professional)
Other programs Internet Explorer (Version 6 or later), Adobe Acrobat Reader (Version 4.0 or later
RAM at least 128 MB (512 MB recommended)
Hard disc space 50 MB required for installation
20 GB of free space recommended to store titration data, methods, etc.
Display Resolution 1024 * 768 or higher
Disk drive CD-ROM or DVD-ROM
Card reader 1 slot for CF cards or PCMCIA standard Type II cards (AT-510)
For the latest versions of AT-610, MKA-610 and MKC-610 no card reader is required as an USB flash drive (memory stick) can be used a storage media
Serial port 1 USB for serial protector

Accessories

Printers

IDP-100 Printer

IDP-100 Printer

Dot matrix ink printer for GLP compliance.

  • Dot matrix printer with ink ribbon, prints on regular paper (width 57.5 ± 0.5mm).
  • 24 digits, 144 dots per line.
  • Automatic paper end detection – no loss of data!
  • 2 kB internal buffer memory. Advantage: Less time required per measurement, as the instrument does not have to wait until the results are printed out.

External Burettes

APB-610 Automatic Piston Burette

Automatic Piston Burette APB-610

The Automatic Piston Burette APB-610 can be used either as stand alone precision burette to perform manual titrations or as an additional external burette for KEM titration systems based on an AT-510, AT-610 or AT-700 Titrator. The APB-610 allows to meter liquids with highest accuracy even under difficult circumstances:

  • The end of the feeding hose is equipped with a device which prevents diffusion.
  • The burette can be equipped with a temperature sensor to monitor the temperature of the liquid and to correct possible errors due to thermal expansion caused by variations of the surrounding temperature.
  • The glass body of the burette is shielded by a protection cover.
Techical Specifications APB-610
Display LCD 2 lines x 16 characters
Burette 20 mL, glass with brown safety cover
1, 5, 10 and 50 mL burettes available as option
Burette precision 1 mL burette: ± 0.005 mL
5 mL burette: ± 0.01 mL
10 mL burette: ± 0.015 mL
20 mL burette: ± 0.02 mL
50 mL burette: ± 0.05 mL
Dispense rate Approx. 20 s for complete discharge
Valve Automatic ceramic valve
Liquid contacted materials PTFE, boron silicate glass, ceramic
Interface RS-232C, mini DIN, 8 pin, female
Ambient conditions Temperature: 5 … 35°C | Humidity: < 85% RH
Power supply 100 … 120 V, 200 … 240 V AC, 50/60 Hz
Power consumption Approx. 20 W
Dimensions 120 (W) x 363 (D) x 610 (H) mm (including burette unit)

Titration Cells

MTA-118-1 Microtitration Cell

Microtitration Cell Units

The ideal solution for samples, which are available in small quantities only. The Microtitration Cell Unit is available in three different sizes, all cells have a water jacket.

Model Min. Sample Volume Max. Sample Volume
MTA-118-1 1 mL 2.5 mL
MTA-118-5 5 mL 35 mL
MTA-118-50 25 mL 100 mL
Sealed Cell Unit SCU-118

Sealed Cell Unit SCU-118

The Sealed Cell Unit SCU-118 facilitates the problem-free titration of samples which are

  • highly volatile
  • highly toxic or extremely malodorous
  • oxygen sensitive and cannot be exposed to the atmosphere.

The SCU-118 has a capacity of 200 mL, the minimum sample quantity required is 50 mL.

Electrodes, Sensors, Electrolytes

Titration Electrodes

Technical specifications of electrodes and sensors

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Potentiometric Titrator AT-710S


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