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Hanna HI931 Automatic Potentiometric Titrator
Specifications
| Temperature Accuracy | 0.1C| 0.2F| 0.1K| excluding probe error |
|---|---|
| Display | 5.7 (320 x 240 pixel) backlit color LCD |
| Measurement Units | user-specified expression of concentration units to suit specific calculation requirements |
| Brand | Hanna |
| Power Supply | 100-240 VAC| -01 models| US plug (type A)| -02 models| European plug (type C) |
| Flow Rate | user-selectable from 0.1 mL/min to 2 x burette volume/min |
| Dimensions | 315 x 205 x 375 mm (12.4 x 8.1 x 14.8 ) |
| Temperature Resolution | 0.1C| 0.1F| 0.1K |
| Temperature range | -5.0 to 105.0C| 23.0 to 221.0F| 268.2 to 378.2K |
| pH Range | -2.000 to 20.000 pH| -2.00 to 20.00 pH| -2.0 to 20.0 pH |
| pH Resolution | 0.001 pH| 0.01 pH| 0.1 pH |
| pH Accuracy | 0.001 pH |
| Environment | Operating |
| pH Calibration | up to five-point calibration| eight standard buffers and five custom buffers |
| pH Temperature Compensation | automatic from -5.0 to 105.0C| 23.0 to 221.0F |
| Connectivity | USB |
| mV Accuracy | 0.1 mV |
| mV Resolution | 0.1 mV |
| mV Range | -2000.0 to 2000.0 mV |
| Logging Memory | up to 100 titration and pH/mV/ISE reports |
| Dosing Accuracy | 0.1% of full burette volume |
| Burette | one 25 mL burette included |
| Stirrer Type | overhead propeller type| 200 to 2500 rpm| resolution 100 rpm |
| Endpoint Criteria | single equivalence point (1st or 2nd derivative) or fixed pH/mV value |
| mV Calibration | single point offset |
| Dosing Pump Resolution | 1/40000 |
| ISE Range | 1 x 106 to 9.99 x 10 concentration |
| ISE Resolution | 1| 0.1| 0.01 concentration |
| ISE Accuracy | 0.5% (monovalent ions)| 1% (divalent ions) |
| ISE Calibration | automatic| up to five point calibration| seven fixed standard solutions available (0.01| 0.1| 1| 10| 100| 1000| 10000 choice of concentration) and five custom solutions |
| Titrator Methods | up to 100 methods (standard and user-defined) |
| Model | HI931 |
| Potentiometric Titrations | acid/base (pH or mV-mode)| redox| precipitation| complexometric| non-aqueous| ion-selective| argentometric |
| Analog Boards Capability | one analog board for pH/ORP/ISE| not upgradeable |
| GLP Conformity | instrumentation data storage and printing capabilities |
| Dosing Pump Capability | one included can be upgraded for two |
| Burette Size Capability | 5| 10| 25| and 50 mL (auto-detection) |
| 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 |
| Autosampler Compatible | not available |
| Weight | approx. 4.3 kg (9.5 lbs.) with 1 pump| stirrer and sensors |
Key Features
- Small footprint so you can fully optimize your benchtop.
- Unmatched 40,000-step dosing pump for small volumes of titrant to help you achieve a very precise endpoint for greater consistency.
Product Description
The HI931 Automatic Titrator is the answer to your dedicated titration needs. Fully customizable, the HI931 delivers accurate results and intuitive user experience, all in a compact package. Titrate for a variety of measurements at the push of a button including acids, bases, redox, and selective ions. No additional programming upgrades to purchase. The only things you need to start using the HI931 are a sensor and titrant.
- Flexibility to store up to 100 methods.
Ordering Information:Each HI931 potentiometric titrator is supplied with titrator| pump assembly| burette assembly| electrodes holder and stirrer| burette blank support| pump and burette locking screws with plastic head| temperature probe| shorting cap| power adapter| USB cable| instruction manual| USB Memory Stick| HI900 PC application (installation kit on USB stick)| and quality certificate.
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Frequently Asked Questions
The Hanna HI931 has a compact footprint of 315 x 205 x 375 mm (12.4 x 8.1 x 14.8 inches), allowing you to optimize your benchtop space.
The dosing accuracy of the HI931 is 0.1% of the full burette volume, ensuring precise titration results.
The HI931 can perform various types of titrations including acid/base, redox, precipitation, complexometric, non-aqueous, and ion-selective titrations.
Yes, the HI931 allows you to store up to 100 methods, both standard and user-defined, for easy access during titration.
The pH range of the HI931 is from -2.000 to 20.000 pH, making it suitable for a wide range of applications.
Yes, the HI931 is designed for an intuitive user experience, allowing you to perform titrations at the push of a button without complex programming.
The HI931 operates on a power supply of 100-240 VAC, with options for US plug (type A) or European plug (type C).
Each HI931 comes with a titrator pump assembly, burette assembly, electrodes holder, stirrer, temperature probe, USB cable, instruction manual, and more.
The HI931 weighs approximately 4.3 kg (9.5 lbs.) with one pump, stirrer, and sensors included.
For more information, please use the 'Contact Us' section on our website or reach out via our customer service email.
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