| TitraLab® 840 Routine Potentiometric
Titration Workstation |
| Methods |
- End point titration: 1 to 2 preset end points.
- Inflection point titration: Auto determination of 1 to 4 inflection
points,
programmable IP acceptation windows.
- IP detection using 1st & 2nd derivative curve.
- Titration stops at: pH, mV, ml, IP number.
- Titrant addition techniques: incremental dynamic, incremental monotonic
and continuous dynamic.
- Titrant calibration.
- pH electrode calibration: up to 5 points using IUPAC standards or
4-7-10 Series
buffers with error recognition.
- Direct pH/mV measurements: with recording on stable reading.
- Back titration with manual (TIM840) or automatic (TIM845) reagent
addition.
- Sequencing of up to 3 consecutive methods within a sample changer
series.
- Coupling of 2 methods in one beaker.
|
| Measuring Range |
- -9 to 23 pH
- ±2000 mV
- -10°C to +100°C
|
| Resolution |
|
| Printout |
- Automatic. GLP compliant.
- Selectable: no, 80 columns.
- 3 levels of detail defined by method.
- Printed data can be sent as a single character string for LIMS connection.
|
| Results |
- In each method, calculation of up to 4 results and 1 user-defined
equation.
- Statistical calculations.
- Optional result recalculation in case of sample quantity modification
before archiving.
|
| Units |
- All standard units for samples/results.
- User-defined result units.
|
| Storage capacity |
- Global password protection for programming access.
- Non-volatile memory.
- User programmable: 10 methods.
- Libraries for 15 electrodes and 15 reagents: more than 30 electrodes
and 20 titrants preidentified (ID and type) to help programming.
- Storage of last 60 results, last electrode and last reagent calibration
for each library.
- Stored parameters characterised by own ID, location and calibration
data.
- Embedded operating procedures for reagent exchange and burette operations.
|
| Sample list |
- Up to 20 data with alphanumeric ID.
|
| Electrode Stand- Stirring |
- Magnetic stirrer, 22 reproducible speeds (0 to 1100 rpm) in 50 rpm
steps.
- Propeller connection.
- Beaker volume: 5 to 400 ml.
|
| Burette |
- 1 embedded burette stand.
- Burette volumes available: 1, 5, 10, 25, 50 ml.
- Delivered with 25 ml burette.
- Burette motor: 18000 steps.
- Complies with ISO 8655-3.
- UV-protected encapsulated glass syringe.
- Embedded operating procedures for burette exchange, air bubble removal
(Flush).
- Fill, Empty functions.
|
| Inputs/outputs |
- 1 indicator and 1 reference electrode input.
- Selectable polarised input from -1 mA to 1 mA in 1 µA steps,
DC or AC.
- Differential input for a third platinum electrode.
- Temperature input. 0-5 V TTL output.
- Serial connections: printer, balance, additional titrator, PC with
TitraMaster 85 Data
Collector software and SAC80 Sample Changer fitted with 10 to 20-position
tray.
- PS/2 port: PC keyboard, barcode reader.
|
| Languages |
English, German, Danish, French,
Italian, Spanish and Swedish. |
| Casing |
- Fully splashproof chemical resistant lathene.
- Graphic 128x128 dot LCD protected from spillages with TPX cover.
- Rubber soft touch alphanumeric keypad.
|
| Dimensions (H x W x D) |
380 x 230 x 450 mm
(excl. tubing). |
| Weight |
5 kg (excluding reagent
bottles). |
| Electromagnetic compatibility |
Complies with EMC directive 89/336/EEC
and LV directive 73/23/EEC. |
| Power requirements |
47.5 –
63 Hz, 115/230 Vac +15 -18%. |
| Environmental conditions |
5 to 40°C ambient
temperature, 20 to 80% relative humidity. |
| Ordering information |
| Titralab systems |
The TitraLab 840/25 Potentiometric
Titration Workstation consists of TIM840 pH/EP/IP Titrator, monoburette
with full set of connecting cables, cell accessories and one 25 ml burette(s).
Also available without burette (TIM840,NB) for use with one of the following
volumes: 1, 5, 10, 25 & 50 ml. |
| Metrology |
To comply
with ISO 9001 and ISO 17025 requirements, our Metrology Dept. can supply
calibration and verification certificates. |
| Application Packages available |
Technique-based
- Acid/base titration in aqueous or non-aqueous media
- Complexometric titrations
- Argentimetric titration (halides and silver)
- Redox titration (zero and imposed current)
Dedicated
- Water hardness, calcium and magnesium determination
- TAN and TBN, bromine number and bromine index according to ISO and
ASTM
- Hydrogen sulphide and mercaptans according to ASTM
- Peroxide number in edible fats and oils
- Chloride in milk, butter and other dairy products
- Ascorbic acid determination in food and beverages
|