HANNA HI931 Automatic Potentiometric Titrator

MULTIPARAMETER WATER QUALITY METER 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. With no additional programming upgrades to purchase, you can start measuring right away.   Small footprint so you can fully optimize your benchtop and increase productivity. Unmatched 40,000-step dosing pump for small volumes of titrant to help you achieve a very precise endpoint for greater consistency. Perfect for dedicated titration needs.   Specifications pH Range -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•10¹â° ISE Resolution 1; 0.1; 0.01 ISE Accuracy ± 0.001 pH 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 Additional Specifications Programmable Stirrer overhead propeller type, 200 to 2500 rpm, resolution 100 rpm Display 5.7” (320 x 240 pixel) backlit color LCD Burette Sizes 5, 10, 25, and 50 mL Burette Resolution 1/40000 Display Resolution 0.001 mL Dosing Accuracy ±0.1% of full burette volume Methods 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 GLP Conformity instrumentation data storage and printing capabilities Languages 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) Dimensions 315 x 205 x 375 mm (12.4 x 8.1 x 14.8 ") Weight approx. 4.3 kg (9.5 lbs.) with 1 pump, stirrer and sensors   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 Sensor, Shorting Cap, Power Adapter, USB Cable, Instruction Manual, USB Memory Stick, HI900 PC Application (Installation Kit on USB Stick), and Quality Certificate.