WKT-C9 Automatic Karl Fischer Volumetric Titrators

Instrument Characteristics:

1. Automatic Monitoring:
   The instrument automatically adjusts itself when the measurement conditions are not met, reducing the need for extensive training for the operator.

2. Electromagnetic Three-Way Valve:

   • Imported from Japan, this valve has a dead volume that is only 1/10th of similar domestic products.
   • It provides silent switching with a speed of 0.01 seconds, improving efficiency.
   • It can withstand up to 100 kPa of pressure, preventing leakage even if pipelines are blocked.

3. High-Efficiency Pipeline:
   The enhanced pipeline design improves liquid filling, draining, and changing speeds, which ensures high test efficiency.

4. Large-Screen Display and Button-Type Operation:

   • The display provides real-time feedback of current changes, making it easy to track the measurement process.
   • Quick settings and one-button operation simplify usage.

5. Drift Measurement:
   The instrument can measure drift values and decide whether to deduct them, which is essential in harsh environments or special conditions to ensure accuracy.

6. Custom Measurement Settings:
   It allows up to 10 different measurement method settings, accommodating various titration speeds and delay times to meet the requirements of different samples.

7. One-Button Cleaning:
   The instrument supports several automated cleaning functions, including startup cleaning, shutdown cleaning, pipeline cleaning, and titration pool cleaning.

8. Automatic Functions:

   • Automatic solvent absorption.
   • Automatic blanking.
   • Automatic reagent suction.
   • Automatic titration and waste discharge.
   • Automatic liquid return and cleaning.

9. Fully Sealed Titration Cell:

   • The cell is made from corrosion-resistant PTFE material with a high borosilicate glass upper cover.
   • It minimizes environmental interference and ensures the safety of operators.

10. Super-Large Capacity Dry Filter:
    The dry filter effectively removes environmental moisture, and consumable parts are easy to replace, enhancing operational efficiency.

11. Noise Reduction:
    The instrument is designed to be silent during operation, which improves the working environment.

12. RS232 Serial Port:
    This allows connection to peripheral equipment such as printers, electronic balances, and computer communication for data management and integration.

13. Durability:

    • Made with imported materials and parts, the instrument is designed for long service life and stable performance.
    • The electrostatic spray process used in its manufacturing makes the instrument corrosion-resistant and easy to clean.

14. Safety Features:
    The titration process occurs under solvent levels with an anti-backup device, ensuring stable titration without contamination risks.

Applicable Standards:

The WKT-C9 complies with multiple international and industry standards, including:

• ASTM D4928-00: Standard test methods for water in crude oils by coulometric Karl Fischer titration.
• ASTM D6304-2007: Test method for determination of water in petroleum products, lubricating oils, and additives.
• ISO 10337-1997: Crude petroleum – determination of water using coulometric Karl Fischer titration.

Reagent Debugging and Sample Determination Steps:

1. Reagent Debugging:

   • Connect the instrument and power it on.
   • Use methanol or another solvent to fill the electrodes.
   • Perform a blank operation to remove excess water.
   • Calibrate the Karl Fischer reagent multiple times (recommendation: use deionized water or a standard for calibration).

2. Sample Determination:

   • Weigh the sample using an analytical balance.
   • Inject the sample into the titration cell and input the sample weight.
   • Begin the titration, and the instrument will automatically display and store the results.