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Coulometric Karl Fischer Titrator AQ-300

Compact, Simple and easy-to-operate!

*Since sales availability, products and services vary by country and region, please contact your Hitachi High-Tech Science contact, the exclusive distributor, for specific requests and questions.



Titration method Coulometric Karl Fischer Titration
Electrolysis control method Constant-current electrolysis, intermittent electrolysis near the end point
Titration control method AC polarization potentiometric detection method
Measuring range 10μgH₂O – 99mgH₂O
Accuracy Within CV of 0.3%
(1g of 1mgH₂O/mL water-in-methanol measured 10 times)
Required measuring time FAST: 1.2mgH₂O / min. (20μgH₂O / sec.)
SLOW: 0.6mgH₂O / min. (10μgH₂O / sec.)
Electrolytic cell capacity 150mL
Electrolysis diaphragm Ion exchange membrane
Display 16-Digit x 2-Line LCD with backlighting
Display unit μgH₂O, %, ppm
File function 4 files for titration parameters
Data storage capacity 20 data
External input/Output 2 RS-232C ports for Balance and Host, 1 interface for printer
Software Data acquisition software is included.
GLP compliant functions Maintenance information on reagents, electrode, membrane
Power requirement AC100-240V, 50/60Hz, 100VA
Dimensions / Weight 310(W) x 270(D) x 170(H) mm / Approx. 5kg