The titration speed feature allows for timely and accurate titration results by relating the amount of iodine generated to the mV response from the Karl Fischer reaction.
Karl Fischer Volumetric Titrator HI933$5,495.00
For scientists and professionals who need exact water content determination from 0.01 to 100%, our new generation of the Volumetric Karl Fischer Titrator is engineered to meet or exceed your technical requirements while delivering a lower cost of ownership. With cutting-edge features packed into a compact design, this titrator delivers accurate results and requires less space in the lab. Get accurate water content determination at the push of a button. Designed for the modern lab, the HI934 karl fischer titrator is the perfect fit for your testing environment.
- Compact design will save space in the lab without compromising your results.
- Durable heat and chemical resistant body.
- Sealed solvent system helps to keep water out of the system, while giving you minimal exposure to the reagents.
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The HI933 automatically adjusts the titration calculation to account for the effects of any ambient humidity entering the titration cell. This provides a more accurate result by correcting for water not present in the actual sample.
Successive results from a titration method may be averaged with recording of the standard deviation.
The HI933’s titrant database can store information for up to 20 titrants. The database may be programmed to remind a user when to standardize their titrant, reducing error in analysis.
The HI933 employs a dual platinum pin electrode for bivoltammetric endpoint determination. Users may choose termination criteria based on mV stability times or drift rates.
A pre-titration stage eliminates residual water present in the solvent and the cell, providing a reliable baseline start to analysis. Standby mode then keeps the solvent dry between titrations and when the titrator is not in use.
Efficient Sample Handling
The HI933 features a quick-remove sample port with a replaceable rubber septum allowing for fast and easy sample introduction to the titration vessel. An integrated magnetic stirrer ensures homogeneity for an accurate and speedy reaction.
Chemically Resistant Titration Vessel
The glass and PTFE titration cell and fittings are designed to withstand the harsh solvents and reagents involved in Karl Fischer titration.
Sealed Solvent System
The titration vessel is completely sealed to minimize exposure to ambient humidity, keep the system dry, and reduce titrant consumption while saving time between titrations. Solvent may be exchanged in a matter of seconds without opening the titration vessel.
Visually Recognizable Desiccant
A rechargeable, color-indicating, silica gel desiccant prevents the ingress of ambient humidity into the sealed system while maintaining full titrator functionality. The desiccant color change allows a user to recognize when it’s adsorption capacity has depleted and is ready for replacement or recharging.
Interface & Display
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.
Interactive Color Display
A large, color LCD screen clearly shows the chosen titration method along with results, units, drift rate, and mV value.
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.
Titrator Data & Reporting
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.
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.
Effortless Data Transfer
Data can easily be transferred to a USB flash drive or PC with the Hanna HI900PC application software. The USB port allows for the transfer of titration methods, titration reports, and software upgrades via USB flash drive.
Methods of Analysis
The HI934 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.
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.
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 HI904 Karl Fischer system.
Connectivity & Functionality
Sample size may be automatically entered from any laboratory analytical balance with a RS232 serial output saving time and labor.
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.
Specification Name Detail sku HI933 Range 100 ppm to 100% Resolution 1 ppm to 0.0001% Result Units %, ppm, mg/g, μg/g, mg, μg, mg/mL, μg/mL, mg/pc, μg/pc Sample Types liquid or solid Pre-Titration Conditioning automatic Background Drift Correction automatic or user-selectable value Endpoint Criteria fixed mV persistence, relative drift stop or absolute drift stop Dosing dynamic with optional pre-dispensing rate Result Statistic mean, standard deviation Dosing Pump Resolution 1/40000 of the burette volume (0.125 μL per dose) with 5 mL burette Dosing Pump Accuracy ±0.1% of full burette volume Syringe 5 mL precision ground glass with PTFE plunger Valve motor-driven 3-way, PTFE liquid contact material Tubing PTFE with light block and thermal jacketing Dispensing Tip glass, fixed position, anti-diffusing Titration Vessel conical with operation volume between 50-150 mL Solvent Handling System sealed system, integrated diaphragm air pump Sensor Type HI76320 dual platinum pin polarization electrode Sensor Connection BNC Polarization Current 1, 2, 5, 10, 15, 20, 30 or 40 μA Voltage Range 2 mV to 1000 mV Voltage Resolution 0.1 mV Accuracy (@25ºC/77ºF) ±0.1% Programmable Stirrer magnetic, optically regulated, digital stirrer; 200 to 2000 rpm; resolution 100 rpm Display 5.7” (320 x 240 pixel) color LCD Methods up to 100 methods (standard and user-defined) Logging Data up to 100 complete titration reports and drift rate reports can be stored Peripherals (Rear) connections for VGA display, PC-keyboard, parallel printer, USB device input, RS232 GLP Conformity Good Laboratory Practice and instrument data storage and printing Languages English, Portuguese. Spanish, and French Enclosure Material ABS plastic and steel Keypad polycarbonate 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 390 x 350 x 380 mm (15.3 x 13.8 x 14.9 in) Weight approximately 10 kg (22 lbs.) Warranty 2 years
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