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Beijing Huakeyi Technology Co., Ltd

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HK-3140WS Trace Moisture Analyzer

NegotiableUpdate on 02/11
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HK-3140WS Trace Moisture Analyzer
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HK-3140WS Trace Moisture AnalyzerAccording to the Karl Fischer Coulomb method for measurement, the principle is based on the reduction of iodine by sulfur dioxide in the presence of water, and the formation of pyridine hydroiodide and pyridine methylsulfate in the presence of pyridine and methanol. During the electrolysis process, the iodine produced reacts with the water in the test oil to form hydroiodic acid, until all the water has reacted. The endpoint of the reaction is indicated by a detection unit composed of a pair of platinum electrodes. Throughout the process, sulfur dioxide is consumed in an amount equal to the number of moles of water. According to Faraday's law of electrolysis, the amount of electricity used in electrolysis is directly proportional to the amount of iodine, that is, electrolysis1molIodine, consumption1molWater is needed2double96 493CThe amount of water in the sample can be calculated based on the amount of electrolytic electricity generated throughout the entire process. This instrument adopts a color LCD touch screen display, with optional Chinese and English menus. The display interface is friendly and has the characteristics of easy operation, fast response, and accurate measurement. It can accurately determine trace moisture in liquids, solids, and gases, and is widely used in industries such as power, petroleum, chemical, and pharmaceutical.

The principle is based on the reduction of iodine by sulfur dioxide in the presence of water, and the formation of pyridine hydroiodide and pyridine methylsulfate in the presence of pyridine and methanol. During the electrolysis process, the iodine produced reacts with the water in the test oil to form hydroiodic acid, until all the water has reacted. The endpoint of the reaction is indicated by a detection unit composed of a pair of platinum electrodes. Throughout the process, sulfur dioxide is consumed in an amount equal to the number of moles of water. According to Faraday's law of electrolysis, the amount of electricity used for electrolysis is directly proportional to the amount of iodine present. That is, electrolyzing 1 mol of iodine consumes 1 mol of water, requiring twice the amount of electricity at 96493C. The mass of water in the sample can be calculated based on the amount of electricity used during the entire electrolysis process.



800x480 color LCD screen display, touch screen control, optional Chinese and English menus, intuitive and friendly human-machine interface

High precision measurement electrode signal generation and detection circuit, fast and accurate electrolysis endpoint judgment, with strong anti-interference ability

Adopting constant current electrolysis method, the maximum output of electrolysis current is 400mA

Using methods such as automatic deduction of blank current and compensation for balance point drift to improve the accuracy of measurement results

9-level mixing speed adjustment, 5-speed electrolysis gain adjustment

Equipped with automatic detection function for measuring electrode open circuit and short circuit faults

Can store up to 1000 historical records with time stamps

standard configurationUSBInterface, optionalRJ-45Network port orRS-232Serial port accessLIMSsystem



performance parameter

1. Measurement range: 1 μ g to 200mg (H)2O)

2. Resolution: 0.1 μ g

3. Measurement accuracy:3μg~1mgWhen, ±2μg

1mgthe aboveH2OAt that time, for0.3%(Excluding injection error)

4. Electrolytic current: (0-400) mA

5. Maximum electrolysis rate: 2.2mg/min (37 μ g/s)

6. Maximum power consumption: 50W

7. Working power supply: (100-240) VAC, 50/60Hz

8. Printing function: The instrument is equipped with a built-in micro thermal printer that can print test results

9Communication function:standard configurationUSBInterface, optionalRJ-45Network port orRS-232Serial port accessLIMSsystem

10. Storage function: can store 1000 records, can be viewed and printed by operation date

11. Dimensions: 310mm × 220mm × 175mm (length * width * height)

12. Weight: Approximately 6kg

application environment

1. Environmental temperature: (5-35) ℃

2Environmental humidity: ≤ 85% RH

3. There are vibrations around that do not affect performance;

4There is no corrosive gas present in the surrounding air;

5. There are no other magnetic or electric fields around that can cause influence, except for the geomagnetic field.



One main unit of micro moisture analyzer

1 set of micro water electrolysis cell components

3 stirrers

1 0.5uL syringe

One 50uL syringe

1 1mL syringe

500mL Karl Fischer reagent 1 bottle

● Efficient desiccant1 bag

1 piece of vacuum grease

10 silicone rubber pads

1 roll of printing paper

1 power cord

2 insurance pipes

1 copy of user manual

1 copy of product qualification certificate

1 copy of warranty certificate