Automatic Potentiometric Titrator - HI901C

Overview Group


Automatic Potentiometric Titrator - HI901C

A high-performance titrator made simple.

Focus on your most essential titrations and get high-quality results with our HI901C automatic titrator.

Get the most out of one device.

Titrate for a variety of measurements including acids, bases, redox, and selective ions. With no additional programming upgrades to purchase, you can start measuring right away.

Each titrator can store up to 100 customizable methods of analysis to accommodate any of your different samples or procedures.

If lab space is scarce, our titrator doubles as a benchtop meter for direct pH, redox, and ion selective measurements.

Configure your HI901C.

Our autotitrator is configurable to your needs. Contact us for more information.

View All Hanna Instruments Titrators

Titrator Dosing System


Change reagents without worry.

Our exchangeable Clip Lock™ burette system helps you conveniently separate and switch between your reagents so you don’t have to be concerned about cross-contamination.


Be confident in your results.

Our unmatched 40,000 step piston driven dosing pump is capable of dosing extremely small and highly accurate volumes of reagent, helping you achieve a very precise endpoint.


Precision is key.

A dynamic dosing algorithm allows for timely and accurate titration results by providing larger doses near the beginning of a titration and smaller, more precise doses near the titration endpoint.

Burettes and Dosing

Titrator Display & Navigation


All of your important information is displayed.

Our large color display shows you everything you need to know during testing.

Track your progress in real-time.

Our live titration curve helps you quickly recognize patterns and problems that may arise during your analysis.

Explore titrator menus with ease.

Custom keys allow you to clearly navigate between screens so you don’t get lost.


Titrator Data & Reporting


Highlight your most important information.

Final reports are customizable so you can make sure you are viewing and storing your most important information.

Safeguard the integrity of your data.

Our software allows you to record full GLP (Good Laboratory Practice) data so there is no need to compromise the quality of your results.

Move your information easily across devices.

Use our software or a USB to conveniently transfer files between your titrator and computer.

USB Storage


Titrator Connectivity


View and print reports easily.

You can print reports directly from the titrator with a connected printer and conveniently view results with a connected monitor.

Take advantage of the versatility.

Connect the devices that help you most, whether it be an analytical balance for automatic sample entry or a printer for your reports.

Titrator Support & Methods


We’ve got people here to help.

Our technical experts can help you from onsite installation and training to customization and continued support.

We have your industry in mind.

We offer optimized titration methods for a wide range of industries. If we don’t have your method in our library, we’re ready to help meet your needs.

Align with your standard methods.

Our experts can program the standard methods you wish to follow directly onto your titrator.



Need more?

See our advanced titrator, HI902C, for greater functionality and automation.

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pH Specifications

pH Range
-2.0 to 20.0 pH; -2.00 to 20.00 pH; -2.000 to 20.000 pH

pH Resolution
0.1; 0.01; 0.001 pH

pH Accuracy (@25ºC/77ºF)
±0.001 pH

pH Calibration
up to five-point calibration, eight standard buffers and five custom buffers

mV Specifications

mV Range
-2000.0 to 2000.0 mV

mV Resolution
0.1 mV

mV Accuracy (@25ºC/77ºF)
±0.1 mV

mV Calibration
single-point offset

ISE Specifications

ISE Range
1•10⁻⁶ to 9.99•10¹⁰

ISE Resolution
1; 0.1; 0.01

ISE Accuracy
±0.5% monovalent; ±1% divalent

ISE Calibration
up to five-point calibration, seven standard solutions and five user-defined standards

Temperature Specifications

Temperature Range
-5.0 to 105.0°C; 23.0 to 221.0°F; 268.2 to 378.2K

Temperature Resolution
0.1°C; 0.1°F; 0.1K

Temperature Accuracy (@25ºC/77ºF)
±0.1°C; ±0.2°F; ±0.1K, excluding probe error

Temperature Compensation
manual (MTC) or automatic (ATC)

Additional Specifications

Programmable Stirrer
overhead propeller type, 200 to 2500 rpm, resolution 100 rpm

5.7” (320 x 240 pixel) backlit color LCD

Burette Sizes
5, 10, 25, and 50 mL

Burette Resolution

Display Resolution
0.001 mL

Dosing Accuracy
±0.1% of full burette volume

up to 100 methods (standard and user-defined)

Logging Data
up to 100 titration and pH/mV/ISE reports

Burette Auto-Detection
burette size is automatically recognized when inserted into the unit

Flow Rate
user-selectable from 0.1 mL/min to 2 x burette volume/min

Endpoint Determination
single equivalence point (1st or 2nd derivative) or fixed pH/mV value

Potentiometric Titrations
acid/base (pH or mV-mode), redox, precipitation, complexometric, non-aqueous, ion-selective, argentometric

Measurement Units
user-specified expression of concentration units to suit specific calculation requirements

Real-Time & Stored Graphs
mV-volume or pH-volume titration curve, 1st derivative curve or 2nd derivative curve; pH mode, mV mode or ISE mode: pH/mV/concentration versus time

USB Host (Side)
flash drive compatibility for transfer of methods and reports

Peripherals (Rear)
connections for VGA display, PC-keyboard, parallel printer, USB device input, RS232

GLP Conformity
instrumentation data storage and printing capabilities

English, Portuguese, Spanish

Operating Environment
10 to 40°C (50 to 104°F), up to 95% RH

Storage Environment
-20 to 70°C (-4 to 158°F), up to 95% RH

Power Supply
100-240 VAC; "-01" models, US plug (type A); "-02" models, European plug (type C)

390 x 350 x 380 mm (15.3 x 13.8 x 14.9 in)

approximately 9 kg (20 lbs.) (with one pump, stirrer and sensors)

Ordering Information
HI901C1 includes titrator with one analog board, overhead propeller stirrer with stand, 25 mL glass burette, dosing pump, temperature sensor, USB cable, 256 MB USB flash drive and PC software.
HI901C2 includes titrator with two analog boards, overhead propeller stirrer with stand, 25 mL glass burette, dosing pump, temperature sensor, USB cable, 256 MB USB flash drive and PC software. 

The 901C is customizable and does not come with an electrode. Please contact Hanna Instruments for a free consultation so we can best meet your needs.


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