Aquacounter COM-300A Potentiometric Titrator | Hiranuma

HiranumaSKU: JM-643

Sale price$6,490.00 USD Regular price$6,990.00 USD


The Aquacounter COM-300A Potentiometric Titrator from Hiranuma is an “all in one” titrator that combines reliability and ease of use with expandability and upgradability. Ideal for all your titration needs, this professional grade titrator includes the features you need at a competitive price.

Hiranuma's Aquacounter COM-300A Potentiometric Titrator offers you flexible solutions for your lab. With the option to upgrade, you have the assurance that your product can grow with your needs. As the leader in titration products, Hiranuma also provides professional solutions in Karl Fischer titrators, automated titrators, and more, all with the promise of a Total Solution.


  • Performs pH, acid/base, complexometric, redox, Karl Fischer, non-aqueous titrations and ISE measurements
  • Determines TAN/TBN in oils and p and m alkalinity
  • Optional extra buret available-see picture below
  • Choice of impact printer or thermal printer
  • Linked methods are available - up to three (3) per titration
  • One-touch calculations - including statistics package!
  • Over thirty (30) files of built-in method memory, including Karl Fischer
  • Built-in memory of up to 50 results or via external computer link
  • Balance and computer interfaces for GLP and ISO documentation
  • Hundreds sold since being introduced to the North American market.

Additional Resources




Titration process

Potentiometric and Polarization (Karl Fischer)

Measuring range


pH: 0 to 14, Resolution 0.01pH

mV: -2000 to +2000 mV, Resolution 0.1 mV

Electrode inputs

Indicator electrode : 1

Reference electrode : 1

Temperature electrode : 1

KF electrode : 1

Titration steps

Up to three (3) steps

Number of endpoints

Up to two (2) endpoints

Endpoint detection

Automatic detection by:

-Inflection point

-Set point

-F Cross point

-B Cross point

Display system

2 lines, 16-digit LCD with backlighting

Display items

Titration parameters, results, statistics

Display units

pH, mV, mg H2O, %, ppm, M, g/L, mg/g, Fact 1, Fact 2

pH calibration

2 or 3 points (compliant to ASTM or other standard buffers)

File function

30 files for potentiometric titrations

3 files for Karl Fischer titrations

10 files for titration control methods

Calculation items

Concentration, statistics


50 titration results along with titration curves and parameters and via external computer

Precautions against power failure

Built-in backup battery

Buret capacity

20 mL, minimum drop size = 0.01 mL

Resolution = 1/16000 of buret volume


Integrated, variable speed, magnetic stirrer

External input / output

Balance interface and RS-232C data output


310 (W) x 270 (D) x 310 (H) mm


7 kg

Power supply / Power consumption

AC100 - 240V, 50/60 Hz

Safety approval

CE approved

You may also like

Recently viewed

Join our Newsletter

Receive updates regarding new applications, product releases, exclusive sales and more!