Suzhou Tianlong Biotechnology Co., Ltd.
The customer purchased the VicoMeter WKT-A9 Karl Fischer moisture analyzer with the matching WKT-V2 Karl Fischer oven.
The VicoMeter WKT-A9 Premium Karl Fischer trace moisture analyzer uses the Karl Fischer coulometric (electrolytic) principle to rapidly determine trace moisture in samples, measuring moisture down to 0.001 ppm and determining trace moisture in solids, liquids, and powders within 1 minute. The instrument has a built-in printer, can store 500 data records, and supports real-time query and printing! The newly designed navigation prompts and built-in electronic manual make operation simple. The WKT-A9 complies with multiple national and international moisture measurement standards, with eight built-in moisture calculation formulas and 6 measurement methods to meet the moisture measurement needs of every industry—widely used in chemicals, petroleum, pharmaceuticals, electric power, food, research, and testing.
The WKT-V2 is Victor's fourth-generation Karl Fischer oven, refined through many improvements with a user-friendly touchscreen. Paired with our analyzers, the VicoMeter 'Volcano' series WKT-V2 suits insoluble samples (battery materials, plastics and rubber, greases, pharmaceuticals, new materials, moisture-regaining and volatile samples) across plastics, battery, new materials, medical, and electronics industries!
WKT-A9 Karl Fischer Trace Moisture Analyzer Coulometric
Coulometric (coulometry) principle, ideal for trace-level testing; 5-inch color touchscreen with smart operation, automatic result calculation, and freely configurable sample IDs; complies with multiple national standards and suits virtually every industry.
8 moisture calculation formulas, 6 determination methods, and 8 end-point detection algorithms
Automatic drift compensation, automatic subtraction of ambient and background moisture, and self-diagnostic fault alerts
One-touch start for reliable results
Outstanding automation — connects seamlessly to the Karl Fischer oven for difficult samples
RS232 interface for connection to a PC, printer, PLC, or LIMS
WKT-V2 Karl Fischer Oven Moisture Measurement System
When measuring moisture with a Karl Fischer analyzer, most samples can be added directly to the generator cell/titration cell for simple, accurate testing. Some samples, however, cannot be added directly because their moisture is not released naturally or they undergo side reactions with the Karl Fischer reagent — for example powders, granules, pastes, and oxidizing inorganic salts.
For samples that cannot be added directly to the cell, pairing the WKT-V2 Karl Fischer oven for gas-phase extraction is the perfect solution. The sample is placed in a vial and moved onto the oven, heated to a specific temperature (up to 300˚C), and the moisture is extracted and carried into the cell by dry air or nitrogen, then measured perfectly.
The customer purchased the Karl Fischer moisture analyzer this time mainly to test the moisture value of freeze-dried products. Before purchasing the VicoMeter instrument, the customer had already sent samples for testing, and the test results were stable. After arriving at the customer's site, the VicoMeter technical engineer first discussed the installation location with the customer, then checked the list together. After confirming everything was correct, the VicoMeter technical engineer began the installation.
Since nitrogen was not permitted in the lab, the experiment used the WKT-V2's built-in air generator. After installation and equilibration, the engineer connected the WKT-V2 to the WKT-A9 and verified with pure water: three injections of 2ul gave 1966ug, 1987ug, and 1986ug—stable results within range, to the customer's great satisfaction.
Suzhou Tianlong Biotechnology Co., Ltd. serves clinical, research, and food safety needs, specializing in life science instruments and reagents—real-time quantitative PCR systems, ATP bacterial detectors, PCR gene amplification instruments, automated nucleic acid extractors, and matching reagents. Under Professor Peng Niancai, key expert of the national 'Eleventh Five-Year' 863 project 'Major Disease Detection and Early-Warning Microsystem,' and building on Xi'an Tianlong's achievements, it keeps innovating under the philosophy of 'promoting national health and revitalizing national brands.'
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