| Customization: | Available |
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| After-sales Service: | Lifetime Technical Support |
| Warranty: | 2 Year |
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* Intelligent Determination of water content tester
Powerful new-generation processor; dual-CPU design.
Dual power channels separate electrolytic electrode and measuring electrode; automatically removing all kinds of interference; greatly improving the accuracy of test results.
Measuring electrode data directly A / D sample converting; data true value avoids errors caused by analog circuit; results more accurate.
* Easy Operation of Moisture Meter
Touch-screen operation; only pressing once then the test will be done automatically and the reported values will automatically display.
* Background Compensation
Large current background compensation. Standby time can be shortened to be less than 10 minutes.
* Rotating Speed Control
Software adjusting stirring speed; selection between 0 to 36.
* End Point Indication
Character tips and buzzer
* Perfect Calculating Function of Karl Fischer moisture meter
Automatically display, calculate, print ug / ppm / percentages / mg/L / sample name / test date etc.
* Automatic Date Data Storage
Year, month, day, hour, minute, second; automatic storage when power off .
1. Display: LCD
2. Measuring range: 3ug to 200 mg water; Water content range: 1ppm-100%
3. Resolution: 0.01 ug water
4. Accuracy: 10μg-1mg water, ± 0.2%; >1mg water, < ± 0.3% (excluding injection error).
5. Electrolysis speed: max 2.4 mg/min
6. Electrolytic current: 0~430 mA
7. Ambient temperature: 5~35 ºC
8.Humidity: ≤85%
9. Power supply: AC 220V ± 10%
10. Dimension: 320*240*180mm
11.Weight: about 6kg
The measuring principle used in this instrument is the Karl-Fischer Coulomb method. The principle is based on the fact that when water is present, iodine is reduced by sulphur dioxide, and in the presence of pyridine and methanol, pyridine iodine and methyl pyridine thioate are formed. The reaction formula is:
I2+SO2+3C5H5N+H20→2C5H5N·HI+C5H5N·SO3 ......................(1)
C5H5N·SO3+CH3OH→C5H5N·HSO4CH3 ....................................(2)
During the electrolysis process, the electrode reaction is as follows:
Anode: 2I--2e→I2 ...................................................................................(3)
Cathode: 2H++2e→H2↑........................................................................(4)
The reagent solution used is a mixture of predominant iodine and pyridine-doped pyridine, methanol, etc., and iodine is formed on the anode by electrolysis, and iodine is reacted with water to form hydroiodic acid until all the water has been reacted. The end of the reaction was detected with a platinum electrode.
According to Faraday's law, the formula for calculating the moisture content in the sample is obtained:Where:
W - moisture content in the sample, in micrograms
Q--Electrolysis power, unit: millicoulomb
Calculated by the instrument, the moisture content of the tested sample is directly displayed on the display. The instrument uses an electrolysis current automatic control system. The size of the electrolysis current can be determined according to the moisture content of the sample, up to 430 mA.
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If you have any questions about this Moisture Meter Karl Fischer Water Content Tester for Liquids ,Solids and Gases or the instruction, please contact us in time. We will serve you wholeheartedly!
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