With state-of-the-art performance features, like a fritless cell option, the AQ-300 offers the same fast and accurate results you've come to expect from other AQUACOUNTER products.
Titrator Type Karl Fischer Coulometric
Depth 270 mm
Height 300 mm
Width 310 mm
Weight 5 kg
Additional Specifications Titration method: Coulometric titration process.
Electrolytic control method: Constant current electrolysis, intermittent electrolysis in the vicinity of the end point only.
End point detection: AC polarization potential difference detection.
Titration control method: Automatic endpoint stop system:
(1) Wait-time (INTERVAL) controlled; duration from 1 - 99 sec.
(2) Titration time (T-TIMER) controlled; duration from 1 - 99 min.
Measuring range: 10 µg H2O - 99 mg H2O
Automatic background compensation range: 0 - 50 µg H2O/min.
Accuracy: Within CV of 0.3%, When water - methanol (1mg H2O/mL) 1g is measured 10 times.
Required measuring time: FAST: 1.2 mg H2O/min.(20 µg H2O/sec.)
SLOW: 0.6 mg H2O/min.(10 µg H2O/sec.)
Titration cell capacity: 150 mL
Display screen: 2-lines by 16 digits with backlit LCD
Display unit: µg H2O, ppm, %
Calculation function: Concentration calculation, Statistics calculation
File function: 4 files for titration parameters
Memory data capacity: 20 data
Printers: Optional thermal printer; PR-2000T2(PRINTY3), Optional impact printer; PR-302B(CBM-910-40PF)
Printout Contents: Date, Sample number, Measurement value(µg H2O), Sample quantity, Moisture content, Mean value, Standard deviation, CV, Moisture quantity-time curve, Other preset titration parameters.
External input / output: RS-232C; 2 ports
Port 1 (BALANCE):Connection to electronic balance.
Port 2 (HOST):Connection to external computer.
Power supply / Power consumption: AC 100 - 240 V, 50/60 Hz, 100 VA
Weight: Approx. 5 kg


  • All components are integrated in a small footprint of 31 cm (W) x 27 cm (D).
  • Saves valuable bench space.
  • No need to determine the KF reagent titre. Just flip the POWER on, the titrator will be ready to run within 30 minutes. Simple as 1,2,3 Go!
  • 4 user defined methods can be stored in memory and easily recalled according to samples.
  • Up to 20 results can be stored with statistics calculation.
  • Detection limit goes down to several ppm.
  • Equipped with two RS-232C ports for balance and computer connection.
  • Standard package includes AQUANet data download software, instruction movie, application guidebook and more.


AQUACOUNTER AQ-300 Karl Fischer Coulometric Titrator

AQUACOUNTER AQ-300 Karl Fischer Coulometric Titrator

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