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Package Size: 19.7 x 17.6 x 12.1 inches
The HI 903 Karl Fischer Volumetric Titrator combines a high-precision titrant delivery system, optically regulated magnetic stirring, dynamic dosing and endpoint determination, and background drift correction algorithms to automatically calculate moisture content using potentiometric titration.
The titration system features the Clip-Lock exchangeable burette system, which allows the user to slide reagent burettes in and out within seconds without interrupting the analysis cycle or causing cross-contamination of samples. This device in commonly used in food, beverage, pharmaceutical, cosmetic, and chemical manufacturing industries.
The titrator features a large, backlit color LCD screen with menus in multiple languages and can be connected via USB connection to a PC, keyboard, monitor, printer, or to a flash drive for utilizing and saving methods and data. It also features a titrant database for storing standardization information for up to 20 titrants and supports up to 100 titration methods (both standard, and user defined). GLP data can be recorded for all samples, and the titrator is compatible with most major titrant and solvent brands.
A digital, magnetic stirring system with optical feedback, a conical titration cell (to help mix over a wide volume range), and upward titrant dispensation all help to ensure proper mixing of the titrant and analyte. The titrator detects the endpoint with a dual platinum pin polarization electrode for bivoltametric indication, and has signal averaging (to reduce noise) and selectable endpoint criteria (fixed mV persistence, relative or absolute drift stop). Sample mass and volume are automatically acquired with the serial RS-232 interface.
The HI 903 features a 40,000 step piston dosing pump that contains a precision ground 5 mL glass burette with a polytetrafluoroethylene (PTFE) plunger and tubing, a polyurethane tube jacketing, and a glass anti-diffusion dispensing tip. It has a sealed solvent system, which allows the user to change to fresh solvent without opening the titration vessel, minimizing exposure to ambient humidity. The beaker top and vessel caps are chemically resistant and have a quick-remove sample port plug with a replaceable rubber septum. The desiccant is rechargeable at 150 degrees C, and indicates when absorption capacity is depleted.
Range is 100 ppm to 100%, with resolution 1 ppm (0.0001%), and results are available in the following units: %, ppm, mg/g, μg/g, mg, μg, mg/mL, μg/mL, mg/pc, μg/pc. The sample type can be liquid or solid, and the dosing system is capable of delivering doses as small as 0.125 uL of titrant. Dimensions are 390 x 350 x 380 mm (15.3 x 13.8 x 14.9"), with weight 10 kg (22 lbs.). Additional specifications are available below.
Hanna Instruments manufactures a wide variety of analytical instrumentation, including pH meters, multi-parameter meters, electrodes, chemical reagents, and buffer solutions. Founded in 1978, Hanna is headquartered in Woonsocket, RI, with subsidiaries in 32 countries. Hanna Instruments holds many firsts in the field of analytical instrumentation, including a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester. To ensure the quality of its products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.
|100 ppm to 100%|
|1 ppm (0.0001%)|
|%, ppm, mg/g, μg/g, mg, μg, mg/mL, μg/mL, mg/pc, μg/pc|
|Liquid or solid|
Background Drift Correction
|Automatic or user selectable value|
|Fixed mV persistence, relative drift stop or absolute drift stop|
|Dynamic with optional pre-dispensing rate|
|Mean, standard deviation|
Clip Lock™ Exchangeable Burette System
Dosing Pump Resolution
|1/40000 of the burette volume (0.125 μL per dose)|
Dosing Pump Accuracy
|±0.1% of full burette volume|
|5 mL precision ground glass with PTFE plunger|
|Motor driven 3-way, PTFE liquid contact material|
|PTFE with light block and thermal jacketing|
|Glass, fixed position, anti-diffusing|
|Conical with operation volume between 50-150 mL|
Solvent Handling System
|Sealed system, integrated diaphragm air pump|
|Dual platinum pin, polarization electrode|
|1, 2, 5, 10, 15, 20, 30 or 40 μA|
|2 mV to 1000 mV|
|Magnetic, optically regulated, digital stirrer|
|Easily view, transfer, print or delete methods and reports via HI900PC application|
USB Flash Drive
|Easily upgrade software or transfer methods and reports between devices using a USB drive|
Laboratory Analytical Balance
|RS232 to connect any laboratory balance|
|Print directly from the HI 903 to a printer via parallel port|
|Instrument status and titrations can be viewed on a larger screen using any VGA compatible external monitor|
|Alphanumeric text can be entered using an optional PS/2 keyboard|
|5.7" (320 x 240 pixel) color LCD|
|Up to 100 (standard and user) methods|
|Up to 100 complete titration reports and drift rate reports can be stored|
|Good Laboratory Practice and instrument data storage and printing|
|English, Portuguese and Spanish|
|ABS plastic and steel|
|Model 01: 115VAC, 50/60 Hz|
|10 to 40°C, up to 95% RH|
|-20 to 70°C, up to 95% RH|
|390 x 350 x 380 mm (15.3 x 13.8 x 14.9")|
|Approximately 10 kg (22 lbs.)|
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