Automatic Titration System – HI901C

Absolete form 2026 January

The HI901C automatic titrator complements our wide range of products dedicated to efficient and accurate laboratory analysis. The HI901C potentiometric titrator can perform acid/ base, redox (ORP), complexometric, precipitation, non-aqueous, argentometric, and ion selective titrations. This powerful titrator dispenses the titrant, detects the endpoint, and performs all necessary calculations and graphing automatically. In addition to titration mode, the HI901C also operates as a fully functional pH, mV/ORP, and ion selective electrode (ISE) meter.

This titrator is supplied with a pack of standard methods or you can create your own. Methods (standard or user) can be easily transferred between titrators via USB flash drive or PC application.

Burettes and dosing system

Exchangeable burette system

With Hanna’s Clip-LockTM burette feature, it only takes a few seconds to exchange titrants and reagents, preventing cross-contamination and saving time.

Multiple burette sizes

The HI901C comes standard with a 25 mL burette but may be equipped with a 5 mL, 10 mL, or 50 mL burette. Each burette is constructed with a ground glass syringe and chemically resistant PTFE plunger.

Precision dosing pump

Our unmatched 40,000 step piston driven pump is capable of dosing extremely small and precise volumes of titrant or reagent.

Linear and dynamic dosing

Chemically resistant tubing

Aspiration and dispensing tubes are constructed of durable, chemically resistant PTFE and feature a light-blocking polyurethane outer sleeve to protect light sensitive reagents.

Titration capabilities

Multiple titration types

Paired with the right electrode from our sensor line, our potentiometric titrator can perform acid/base, redox (ORP), complexometric, precipitation, non-aqueous, argentometric, and titrations with an ion selective electrode.

Dynamic titrant dosing

The dynamic dosing feature allows for timely and accurate titration results by relating the titrant volume dosed to the mV response from the titration reaction. This provides for larger doses near the beginning of a titration and smaller, more precise doses near the titration endpoint.

Signal stability timing

The signal stability feature monitors when the mV response of the titration reaction stabilizes before providing the next titrant dose. This ensures reliable measurement values throughout the length of a titration.

Equivalence endpoint detection

Equivalence endpoint detection is critical in applications where fixed endpoints are not specified in standard methods. This endpoint indicates where the mV response from the titration is greatest with respect to the volume of titrant dosed.

Interface and display

Interactive color display

A large, color LCD screen clearly shows the chosen titration method along with results, units, titration volume, temperature, and mV or pH values. The HI901C also offers multi-language support.

Simple and quick navigation

Virtual key selections present on the display allow for simple and quick navigation between screens and menus without getting lost in a nest of information.

Fully configurable balance interface

Methods of analysis

Customizable methods

The HI901C can store up to 100 user-defined or standard titration methods. Each method may be customized and optimized for performance based on application and user requirements.

Titration method support

Onsite installation, training, and customization is available from one of our Applications or Service experts. Hanna offers continued support via phone or webinar for any questions you might have along the way.

Market specific methods packs

Hanna offers titration method packages for various markets including food, beverage, dairy, wine, and more. Ask our Sales Consultants about which methods in our library are available for your specific needs.

Adaptable standard methods

Our technical experts can program and customize standard methods developed by such affiliations as ISO, ASTM, AOAC, AOCS, EPA, and more directly onto your titrator. Ask our Sales Consultants which standard methods are possible with our HI901C system.

Data and storage

Customizable titration reports

Each titration report is fully customizable so users can ensure they are storing and filing the appropriate data required for their application and procedures.

View or save titration reports

Titration or pH/mV/ISE results can be viewed on-screen or transferred to a USB flash drive or PC.

Detailed titration graphs

A real-time titration curve can be displayed during each titration; this feature is useful when new methods are tested or when a procedure requires optimization. Titration graphs can be viewed on-screen or saved as images and transferred along with titration report.

Effortless data transfer

The USB port allows for the transfer of titration methods, titration reports, and software upgrades via USB flash drive.

Flexible GLP management

All necessary GLP (Good Laboratory Practice) information can be recorded with each sample including: sample identification, company and operator name, date, time, electrode ID codes, and calibration information.

pH, mV/ORP, and ion selective electrode (ISE) meter features

• Up to five-point pH calibration with automatic buffer recognition
• Relative mV calibration allows for a mV offset
• Selectable ISEs preprogrammed with molecular weight and ion charge

Connectivity and functionality

Multifunctional with four working modes

The HI901C functions as a titrator, pH meter, mV/ORP meter, and ISE meter. Valuable laboratory bench space is saved, and multiple analyses can be performed on one sample.

Multiple connections

The titrator offers device support for two burrettes and two analog boards, which allows two electrodes and two stirrers to be simultaneously connected to one unit (HI901C2-01 and HI901C2-02 only).

Multiple peripherals

Users can print reports directly from the titrator using a standard parallel printer. An external monitor and keyboard may be attached for added versatility, as well as an analytical balance for automatic sample mass entry for titrations.

Specifications