HKC Group

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HKC Group
HKC Group
  • HKC Group
  • HKC Group

Customer Profile

The customer purchased the VicoMeter WKT-C9 and WKT-A9 automatic Karl Fischer moisture analyzers together with the WKT-V1 Karl Fischer oven, capable of testing the moisture content of the vast majority of samples on the market. The WKT-A9 "Exquisite" Karl Fischer trace moisture analyzer uses the coulometric Karl Fischer principle to rapidly determine trace moisture down to 0.001 ppm, while the WKT-C9 "Fully Automatic" Karl Fischer moisture analyzer uses the volumetric Karl Fischer principle to rapidly determine moisture down to 10 ppm.

WKT-C9 Karl Fischer Moisture Titrator Volumetric

WKT-C9 Karl Fischer Moisture Titrator Volumetric

WKT-C9 Karl Fischer Moisture Titrator Volumetric

The VicoMeter WKT-C9 fully automatic Karl Fischer moisture analyzer uses the volumetric Karl Fischer principle to rapidly determine moisture down to 10 ppm, measuring solids, liquids, and powders within 30 seconds. Its built-in RS232 port connects printers, balances, computers, and other peripherals, and it stores 200 data sets with real-time query. A further upgrade of the Victor smart-series moisture analyzer, the C9 delivers a higher level of automation and precision. It complies with multiple national and international moisture standards as well as pharmacopoeia requirements and is widely used in chemicals, petroleum, pharmaceuticals, power, food, batteries, plastics, research, and testing.


WKT-A9 Karl Fischer Trace Moisture Analyzer Coulometric

WKT-A9 Karl Fischer Trace Moisture Analyzer Coulometric

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

WKT-V2 Karl Fischer Oven Moisture Measurement System

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.


VicoMeter at the Customer Site

It was already afternoon when the VicoMeter technical engineer arrived at the customer's site, so he decided to inspect the site first and install the next day. On site, he found that the customer did not use bottled nitrogen but a plant-wide nitrogen pipeline. Installing the Karl Fischer oven requires a 1/8" fitting, but the customer provided a 1/4" fitting. The engineer informed the customer, who promptly arranged the correction.

The next day, the VicoMeter engineer went straight to installation. With many instruments to install, the work took two days. After installation, the engineer tested the instruments with samples and found that the WKT-A9 and WKT-C9 each measured accurate moisture values individually, but results were inaccurate when paired with the Karl Fischer oven. The cause turned out to be substandard nitrogen purity: when a Karl Fischer moisture analyzer is used with an oven, nitrogen purity requirements are very high, and insufficient purity seriously affects testing.

Customer Profile

WKT-V2 Karl Fischer Oven Moisture Measurement System

HKC Group

(Click image to enlarge)

HKC Group

HKC Group started in display manufacturing in 1997. From an obscure small factory, it rose to become a top-three domestic display maker within three years thanks to advanced technology and solid quality. Building on that platform, HKC entered the power supply field and became a top-three domestic PC power supply maker in four years. With a pioneering, forward-looking entrepreneurial spirit, HKC has continued to expand into chassis, speakers and color TVs, achieving industry-leading positions in each.

Related Products

Related Knowledge

Karl Fischer Moisture Analyzers Karl Fischer Moisture Analyzers

A Karl Fischer moisture analyzer is an instrument designed on the Karl Fischer method to measure moisture content in materials. It is also known as a Karl Fischer moisture meter, fully automatic Karl Fischer moisture titrator, intelligent Karl Fischer trace moisture analyzer, or Fischer-method moisture meter, and comes in two types: coulometric and volumetric (titrimetric).

What Is the Difference Between Coulometric and Volumetric Karl Fischer Titration? What Is the Difference Between Coulometric and Volumetric Karl Fischer Titration?

The biggest difference between the volumetric and coulometric methods is that I2differ in their source: in the volumetric method, I2comes from the titrant reagent, while in the coulometric method, I2is produced by electrolyzing an electrolyte containing I-is generated by electrolysis of the electrolyte.

Which Samples Can a Karl Fischer Moisture Analyzer Test? Which Samples Can a Karl Fischer Moisture Analyzer Test?

As a classic moisture determination method, Karl Fischer titration is suitable for measuring water in a wide range of organic and inorganic substances. Because compounds vary in their properties, they fall into two categories: those that can be analyzed directly and those that cannot.

What Calibration Standards and Verification Methods Are Available for Karl Fischer Moisture Determination? What Calibration Standards and Verification Methods Are Available for Karl Fischer Moisture Determination?

VicoMeter Karl Fischer moisture analyzers are typically calibrated and verified using standards such as methanol-water standard solutions, water-containing sodium tartrate, distilled (deionized or pure) water, and water-saturated toluene. This article introduces the calibration substances, calibration methods, and accuracy verification procedures commonly used with VicoMeter coulometric and volumetric Karl Fischer moisture analyzers.

How to Ensure Moisture Reacts Fully with Karl Fischer Reagent How to Ensure Moisture Reacts Fully with Karl Fischer Reagent

As a professional instrument for moisture determination, the Karl Fischer moisture analyzer is widely used across industries. Ensuring that moisture reacts fully with the Karl Fischer reagent is the key to accurate moisture measurement in samples. How can this be achieved? That is the question this article answers. As an expert in the moisture field, VicoMeter walks you through it.

Karl Fischer Oven Karl Fischer Oven

A Karl Fischer oven is a heating device used together with a Karl Fischer moisture analyzer. It is commonly used to extract moisture from samples and assist the Karl Fischer moisture analyzer in testing the moisture content of samples. The Karl Fischer oven is also called a KF oven, KF auxiliary heating device, Karl Fischer heating unit, Karl Fischer heating furnace, Karl Fischer drying oven, gas-phase moisture extractor, or Karl Fischer sample heating oven.

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