Coulometric Karl Fischer Titrator LWT-T2031

Introduction

Coulometric Karl Fischer Titrator is a benchtop unit with 5 to 40°C ambient temperature range, 3 µg to 9999.9 µg measurement range, and offers 400 mA maximum current. Excellent low-power operation makes it possible to compact battery, enables portable function criterion for measuring electrode signal for the electrolysis end. It stability and accuracy are key factors affecting the measurement accuracy. Designed with streamline and 5 inch coloured touch screen with standard testing method used ASTMD4928, ASTMD1533 and ASTMD6304 in titration process.

This petroleum testing is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Coulometric Karl Fischer Titrator is widely used to determine the trace water content in liquid petroleum, chemical engineering, pharmacy, electricity, scientific research and education department.

Specifications

Maximum current	400 mA
Measurement range	3 µg to 9999.9 µg
Resolution	0.1 µg
Precision 1	± 2 µg (3µg H2O to 20µg H2O)
Precision 2	± 3 µg (20µg H2O to 100µg H2O)
Precision 3	≤ 5 % (100µg H2O to 10mg H2O)
Data saving	496 pcs
Built-in printer	Thermal printer
Calculation formula	8 kinds can be selected
Ambient temperature	5 to 40°C
Dimension	400 × 260 × 180 mm
Power consumption	50 W
Power Supply	AC 220 V±10%, 50Hz ±5 %
Net weight	5 kg

Features

Design with streamline and 5 inch coloured touch screen

Electrolytic process is intelligently control completely

It adopts real-time dynamic impedance method to detect the end point of titration

Equipped with open-circuit fault, short-circuit fault and measuring electrode

High-precision, and it has automatic detection function

Inbuilt thermal printer and end point is settable

FAQs

1. What are the key factors to consider when selecting this petroleum testing for laboratory use?

When selecting this petroleum testing, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this petroleum testing be calibrated to ensure accurate results?

It is recommended to calibrate this petroleum testing at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this petroleum testing?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this petroleum testing be used with different types of samples, and are there any compatibility considerations?

Yes, this petroleum testing can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the petroleum testing malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.