Karl Fischer Titrator

Automatic Titrator for the volumetric KF titration

The TitroLine® 7500 KF is the universalist for the volumetric Karl Fischer titration with a wide operating range of a few ppm - 100% water content. The addition of the solvent and the extraction of the titrated sample are carried out by the titration stand TM 235 KF at the push of a button

General features
• High visibility, full color display that can be easily viewed from a distance and at extreme angles.
• Reagent data is securely stored in the intelligent and interchangeable modules
• Includes up to three USB, one LAN and two RS232 ports for expansion and connection of devices
• Export the results as PDF or CSV, also to networks.

Specific features for the TitroLine® 7500 KF
• Polarizable electrode input for set endpoint titrations („Dead-stop“ + KF)
• With standard methods for various applications such as titer determination, sample titration with 1- or 2-component reagent, etc.
• Volumetric KF titrations
• Also suitable for dosing tasks and sample preparation
• Formula editor for individual calculations
• User management/password

Scope of delivery:
Basic unit with 5 ml exchangeable head, TM 235 KF titration stand with integrated stirrer and pump, titration vessel TZ 1770, micro double platinum electrode KF 1100,starter kit, power supply 100-240 V

  • Technical Specification

Technical Specification

Measuring input µA/KF:  μA-connector for double platinum electrodes, connection: 2 x 4 mm - sockets), polarisation voltage variably adjustable
Interfaces:  3 × USB (2 x USB-A and 1 × USB-B), 2 × RS-232-C and 1 x LAN
Interchangeable burettes  5, 10, 20 ml or 50 ml intelligent interchangeable burette units
Resolution (Steps):  20.000 steps
Dosing accuracy: according to DIN ISO 8655, part 3:
accuracy: < 0.15 %
precision: < 0.05 - 0.07 % (in dependence of the used burette size)
Display 3.5 inches - 1/4 VGA TFT graphic color display with 320 x 240 pixels
Housing material Polypropylene
Dimensions 15.3 x 45 x 29.6 cm (W x H x D), height with interchangeable head
Front keyboard Polyester coated
Material interchangeable burettes Valve: PTFE/ETFE;
Cylinder: borosilikate glass 3.3 (DURAN®)
hoses (FEP, blue) 
Weight 2.3 kg for basic device, 3.5 kg für complete device with interchangeable head (with empty reagent bottle) 
Ambient conditions Ambient temperature: + 10 ... + 40 °C for operation and storage Humidity according to EN 61 010, Part 1: max. relative humidity 80 % for temperatures up to 31 °C, linear decrease down to 50 % relative humidity at a temperature of 40 °C
Power supply: 100-240 V; 50/60 Hz, power input: 30 VA
CE-sign:  EMC compatibility according to the Council Directive: 2004/108/EG; applied harmonized standards: EN 61326-1:2006
Low-voltage directive according to the Council Directive 2006/95/EG Testing basis EN 61 010, Part 1
Titration stand TM 235 KF  
Pump Free volume flow- air-: flow rate 2.25 l / min
Delivery pressure max. 1.5 bar.
Flow rate liquid medium ca. 0.8 l / min
Stirring speed 50 ... 1000 U/min
Hoses PVC- hose (outer diameter 6 x 1 mm)
PTFE- hose (outer diameter 4 x 0.5 mm)
Dimensions 80 x 130 x 250 mm, (W x H x D (height without stand rod)
Weight 1 Kg