Automatic Potentiometric Titration

In the Automatic Potentiometric Titration HI931/HI932 potentiometric titration systems, a 40,000-step dosing pump provides unparalleled accuracy. With the unique clip-lock system, burettes can be exchanged in seconds to avoid cross-contamination. The titration curve is visible in real time on the graphic display.

The automatic titration system HI902C1 provides a wide range of laboratory equipment that features for routine sample analysis.

The volumetric Karl Fischer titrator HI933 determines the water content from 100 ppm to 100%. With the very precise dosing pump, the titrant can be added in 0.125 µl steps.

The Automatic Potentiometric Titration HI934 coulometric titrator, which generates the titrant with a pulsed current in-situ, determines lower water contents from 1 ppm to 5%. Both KF devices feature low drift rates and minimize water vapor ingress with a sealed solution system.

An automatic drift rate compensation also takes this effect into account. HI845xx mini titrators for specific applications complete the portfolio of automatic titrators.

The HI902C1 model performs acid/base, potentiometric and amperometric titrations. Up to 100 methods are supported: standard or customized by the user. When the device is turned on, an internal diagnostic check is performed. The titration curve is displayed in real time on the screen.

Burt replacement
With the exclusive Clip-Lock™ system for quick titrant burette replacement. The titration system automatically detects the new burette volume. HI902C1 can control two pumps separately. Also pH or ORP electrodes can be connected to this device. The device complies with GLP specifications and supports validation for analysis.

Full sample analysis
The titration system performs a complete analysis: sample preparation, dispensing of the titrant solution, stirring time, measurement and storage, end point detection and storage of results. All parameters required for titration are grouped in one method.

SPECIFICATIES Automatic Potentiometric Titration


Manufacturer Hanna
Dimensions (wxdxh) 390 x 350 x 380 mm
weight ± 10 kg
Guarantee A year
Model HI902C1
Dimensions burette 5, 10 in 25ml
Burette resolution 1/40000
Screen resolution 0,001 ml
Flow rate From 0.1 ml/min to 2x burette volume/min
pH/mV-meting Titrators can also take pH and mV measurements directly
Bulletin Up to 100 full titration and pH/mV log reports
Nutrition 230V

Additional information



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