SI Analytics TitroLine® 7750 Titrator

Webinar: Analysis of Fresh Water and Drinking Water with Auto Titrators

The TitroLine® 7750 combines the features of the potentiometric titrator TitroLine® 7000 and the volumetric Karl Fischer titrator TitroLine® 7500 KF. This makes him the universal titrator for many applications.

  • Features
  • Specifications
  • Order information
  • Required accessories
  • Highly visible full color display that can be easily viewed from a distance and extreme angles
  • With new interchangeable modules which all relevant reagent and unit data can be stored
  • Expandable, thanks to the 2 x USB-host, 1 x USB-PC and 2 x RS232 ports. 
    Connectables are e.g. USB keyboard, USB printer, barcode reader, USB flash drives, balances, PC und further SI Analytics devices such as piston burettes and sample changers
  • Storage of results using via USB port (PDF – and CSV -format) including method transfer
  • With standard methods for potentiometric and KF titration
Display Color graphics 3.5 inches -1/4 VGA TFT display with 320x240 pixels
Measuring input pH/mV with reference electrode input pH/mV-input with 24 bit transducer Electrode socket according to DIN 19 262 or additional with BNC socket insert RFID receiver for SI Analytics ID electrodes
Measurement range pH / mV Display resolution pH / mV Accuracy pH / mV (without sensor) - 3.0 ... 18.00 / - 2000 ... 2000
0.001 / 0.1 0.002 / 0.1
mV ± 1 Digit
Measurement input Dead stop (2 x 4 mm socket) Measurement range µA Display resolution µA Accuracy µA (without sensor) Connector (µA) for double platinum electrodes
Polarisation voltage variably adjustable from 40 … 220 mV
0 ... 100 s
0.2 ± 1 digit
Measurement input temperature (2 x 4 mm socket) Measurement range temperature °C Display resolution ° Accuracy °C (without sensor) Connector for Pt 1000 resistance thermometer
- 75 ... 175
0.1 0.2 K ± 1 digit
Interfaces 2 x USB-A, 1 x USB-B 2 x RS232
Balance connection RS232
Printer (USB-A) HP PCL, Seiko DPU S445, PDF
Intelligent interchangeable modules (5, 10, 20 and 50 ml) Valve: PTFE/ETFE
Cylinder: borosilicate glass 3.3 (DURAN®)
Hoses FEP, blue
Burette resolution (steps) 10000
Dosing accuracy according DIN EN ISO 8655, part 3 Accuracy : 0.15 %
Precision: 0.05 - 0.07 %
(Depending on the used interchangeable unit)
Manual titration Yes
Housing material Polypropylene
Front keyboard Polyester coated
Housing dimensions 15.3 x 45 x 29.6 cm (W x H x D),
height with interchangeable unit
Weight 2.3 kg for basic unit
3.5 kg for complete device incl. interchangeable unit
(with empty reagent bottle, without magnetic stirrer)
Ambient conditions Ambient temperature: + 10 ... + 40 °C for operation and storage
Solution preparation (manual or automatic when connected to balance) Yes
Titration to mV and pH end points 2 EP
Dynamic and linear titration to inflection points (EQ) mV and pH 2 EQ
Number of user methods 50
Type No. Order No. Description
TL 7750 285220240 Basic unit without magnetic stirrer, with stand rod and titration clamp Z 305, power supply 100-240 V
TL 7750-M1 285220250 TitroLine® 7750 basic unit with magnetic stirrer TM 235, with stand rod and titration clamp Z 305, power supply 100-240 V

Electrodes, exchangeable units and further accessories have to be ordered separately

Type No. Order No. Description
TM 235 KF, 115-230 V 285220900 Titration stand with pump. Scope of delivery: Basic unit with 1 l DURAN® reagent bottle TZ 1791, 1 l DURAN® waste bottle TZ 1792, moisture bottle, tubes and screw threads, power supply TZ 1855 (110 ... 240 V)
TZ 1770 285216677 Karl-Fischer-titration vessel. DURAN® glass vessel TZ 1775 (approx. 30...150 ml), removable head made of polypropylene/PTFE, 1 drilling NS 19, NS 14,5, NS 7,5 and 3 drillings with screw threads, titration tip, moisture trap and weighing funnel
KF 1100 285102030 Mikro-double platinum electrode for Karl Fischer titrations, with fixed cable, double platinum pin and tapper NS 7.5 for TZ 1770 and TZ 1772
TZ 1748 285216560 Stand rod stainless steel Ø 10 mm
TZ 1789 285221120 Starter kit KF consisting of molecular sieve, needles with syringes and glass wool

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