Special Pricing on one unit in stock-$4995.00


The Total Solution for All Your Titration Needs...

Looking for an "all in one" titrator that is reliable and simple to operate yet expandable and upgradeable? The Hiranuma COM-300A titrator manufactured in Japan offers the Total Solution - the features you asked for at a price you can afford.

Think youʼll need more later? No problem.

The COM-300A can be upgraded to fit your growing demands. Of course, we're also the leading manufacturer of other titration products you've come to depend on in your lab, such as Karl Fischer titrators and automated titrator solutions. But, we have so much more to offer you than just great titrators - experience the Total Solution!


COM-300A TITRATOR - the "all in one" titrator with the right features at the right price!

• 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.




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

HIRANUMA COM-300A Potentiometric Titrator

Save $1,995

$4,995 $6,990

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