Henan Zhongpen Tianrun Industrial Co., Ltd.

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Henan Zhongpen Tianrun Industrial Co., Ltd.
Henan Zhongpen Tianrun Industrial Co., Ltd.
  • Henan Zhongpen Tianrun Industrial Co., Ltd.
  • Henan Zhongpen Tianrun Industrial Co., Ltd.

Customer Profile

The customer purchased the VicoMeter WKT-A9 Precision Karl Fischer moisture analyzer and the matching WKT-V1 Karl Fischer oven. The WKT-A9 Karl Fischer moisture titrator is a coulometric Karl Fischer moisture titrator independently designed and developed by our company with proprietary intellectual property rights — a Karl Fischer moisture meter for mid-to-high-end applications.

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

On arrival (a Saturday), the engineer switched on the laboratory air conditioning before installing. During the test, the nitrogen cylinder was found nearly empty; after explaining, the customer had a new cylinder delivered within about an hour.

The engineer connected the Karl Fischer oven and began. Nitrogen from the top of a fresh cylinder stabilized slowly — over 30 minutes to balance — but was excellent, with a drift of about 0.8 µg/s. For ordinary PE pellets, ~1 g samples gave 290, 281, and 301 PPM in three consecutive runs — accurate and repeatable.

Customer Profile

WKT-V2 Karl Fischer Oven Moisture Measurement System

Henan Zhongpen Tianrun Industrial Co., Ltd.

(Click image to enlarge)

Henan Zhongpen Tianrun Industrial Co., Ltd.

Founded on June 17, 2008, Henan Zhongpen Tianrun Industrial Co., Ltd. is registered in the Chengbei Industrial Park, Suixian County. Scope: plastic pipes and fittings (PVC/PE/PPR supply and drainage, communication and ventilation pipes; PE gas pipes; PE/PVC pipes for coal mines; plastic-coated hoses; micro-drip pipes), polyurethane insulated pipes, plastic products (rainwater modules, septic tanks, inspection wells), water-saving irrigation equipment production, sales and commissioning, drainage and hydropower equipment sales and installation, agricultural diesel engines, chemical raw materials and hardware/building materials sales, import/export, and pipeline installation.

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.

Measuring Sample Moisture with a Karl Fischer Moisture Analyzer Measuring Sample Moisture with a Karl Fischer Moisture Analyzer

The Karl Fischer moisture analyzer rapidly determines trace moisture in samples and is the most professional method for moisture content determination.

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