Coulomb Method Moisture Content Tester

The coulometric moisture analyzer is based on the Karl Fischer reaction principle. It quantitatively reacts iodine with the moisture in the sample through electrolysis and calculates the moisture content by measuring the electricity consumed during electrolysis. It is used to determine trace moisture in materials such as coatings and inks, offering simple operation and accurate results.
Selection
When selecting, focus on matching the measurement range and accuracy with sample characteristics, as the structure of the electrolytic electrode affects stability. Consider the solubility of the sample and compatibility with reagents, ensure instrument sealing to prevent environmental interference, and balance operational convenience and maintenance costs according to actual needs.

Terms

Standards

Instruments

Using Coulomb ElectRode technology, it can measure 10μg~ 20mg moisture, support 10mA to 100mA electrolysis current, no need to calibrate Reagent, with RS232 interface to connect to the printer.

$ 1939.00

Measurement range 3μg~ 150mg, sensitive valve 0.1μg, Precision up to +/- 0.3%, automatic detection of electrolysis and measurement circuit, suitable for a variety of sample analysis.

$ 1910.00

Low-frequency signal penetration depth of 20mm, can simultaneously measure concrete carbide moisture content and plaster moisture content, built-in environment Sensor, support a variety of professional probe expansion measurement function.

$ 1397.00

Using computer technology to ensure accurate measurement, the measurement range is 0~ 50%, the resolution is 0.1%, and the moisture content and Ambient Temperature can be measured at the same time.

$ 159.00

Measurement range 5μg~ 100mg, Precision of moisture determination up to +/- 0.3%, results can be obtained in one minute, automatic tracking control of electrolysis current, reliable and easy to use.

$ 1518.00

Sharp probe measurement without leaving marks, measurement range 6%~ 90%, support wood moisture content and wood humidity equivalent value display, equipped with extended Probe and hammer ElectRode for different depth measurement.

$ 444.00

Measurement range 5μg~ 80mg, electrolysis current 0~ 300mA automatic control, analysis speed of one minute fast results, easy operation and high accuracy.

$ 1393.00

Using halogen lamp heating technology, fast drying samples and real-time display Moisture content, Moisture Precision up to +/- 0.2%, Heating Temperature range 80~ 160 ℃, suitable for a variety of sample detection.

$ 359.00

Using electromagnetic wave scanning technology, high frequency scanning depth 50mm, Measurement range 0-99.9%, Response Time 1 second, no contact can be measured without damage to the internal moisture content of the object.

$ 225.00

It can evaporate water in solid samples of 10g or less, use disposable sample bottle sampling, vaporize by heating and transport water in high purity Developing solvent, suitable for a variety of solid or quasi-solid sample analysis.

$ 3462.00

The Coulomb Titrimetric method does not require a standard titration solution, the third-gear electrolysis current can be selected from 10mA, 20mA, 40mA, and supports Data storage and USB communication. Measurement range 0.0~ 100.0mg/L can be extended to 1000mg/L.

$ 1593.00

Measurement range 5μg~ 100mg, Sensitivity up to 1μg, electrolysis current 0~ 300mA automatic tracking, one minute to obtain results and automatically print data.

$ 1724.00

Measurement range 3μg~ 100mg, Sensitivity of 0.1μg, results can be obtained in one minute, with over-iodine indication and fault automatic detection function.

$ 1724.00

Using pyrolysis weight principle design, equipped with halogen heating unit, moisture readability of 0.02%, heating temperature up to 200 ℃, support automatic manual timing test, real-time display Moisture content change process.

$ 441.00

Moisture is measured by thermogravimetry, equipped with 500W high-efficiency halogen ring lamp for uniform heating, Temperature range 40-180 ℃ controllable. 5-inch Touchscreen real-time display of moisture change Linear dispersion, support automatic shutdown and Data storage 100 groups, intuitive operation without supervision.

$ 420.00

Articles

Selection Differences Between Rapid Moisture Analyzers and Coulometric Moisture Analyzers
This article mainly introduces the differences between a rapid moisture analyzer and a coulometric moisture analyzer.
Application of Coulometric Moisture Titrator in Moisture Detection of Electronic Components
Coulometric moisture titrators operate based on the principle of electrolysis, directly calculating the moisture content in samples by measuring the electrolytic charge without the need for calibration. In the field of electronic components, moisture can lead to issues such as corrosion and reduced insulation, making its detection critically important.
Selection Basis for Karl Fischer Titration: Volumetric vs. Coulometric Methods
There are two methods for Karl Fischer moisture titrators: volumetric and coulometric. The volumetric method calculates moisture by measuring the volume of a reagent with a known concentration that is consumed, making it suitable for samples with higher moisture content, such as those in the range of a few thousandths or more.
Karl Fischer Moisture Analyzer Determines Moisture Content in Powder Coatings
This article introduces the method of determining the moisture content in powder coatings using a Karl Fischer moisture analyzer. Excessive moisture content in powder coatings can affect the quality of the coating, leading to issues such as bubbles. The Karl Fischer method measures moisture through the quantitative reaction of iodine and sulfur dioxide, which is divided into volumetric and coulometric methods.
Karl Fischer Moisture Analyzer for Determining Water Content in Coatings
This article introduces the method for determining the water content in coatings using the Karl Fischer moisture analyzer. The principle is based on the quantitative reaction of iodine and sulfur dioxide in the reagent with water. The coulometric method is commonly used to generate iodine through electrolysis and calculate the moisture content by measuring the electrical charge.
Difference between halogen moisture analyzer and Karl Fischer moisture analyzer
The core difference between halogen moisture analyzers and Karl Fischer moisture analyzers lies in their measurement principles. Halogen moisture analyzers are based on the thermogravimetric method, while Karl Fischer moisture analyzers rely on titration principles, either volumetric or coulometric, which involve quantitative chemical reactions specifically targeting water molecules.