SFK-506VC Karl Fischer Moisture Analyzer

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SFK-506VC Karl Fischer Moisture Analyzer

Product ID：FDks036

Price: Please inquire PDF Format

Supply Ability:50 SETS/MON

Port:SHENZHEN

Product Introduction
Other information

Model NumberSFK-506VC

Brand NameSHYIDIAN

Payment TermsTT，PAYPAL，Alibaba.com Pay

SFK-506VC Karl Fischer Moisture Analyzer
Product Introduction
The SFK-506VC Karl Fischer Moisture Analyzer is a high-precision laboratory moisture measurement instrument designed for accurate water content determination using Karl Fischer volumetric titration and coulometric titration technologies. It supports moisture analysis of liquid, solid, and gas samples and is widely used in pharmaceutical, chemical, petroleum, food, electronics, and research laboratories.
The SFK-506VC integrates a 7-inch color touchscreen, intelligent operating system, automatic measurement functions, GMP-compliant data management, and safe reagent management system. It provides accurate, efficient, and traceable moisture analysis solutions for quality control, production inspection, and laboratory research applications.
The instrument supports both constant moisture measurement and trace moisture detection, meeting different testing requirements from routine laboratory analysis to high-precision moisture determination.

Product Features
Dual Karl Fischer Measurement Technology
The SFK-506VC combines two professional moisture measurement methods in one instrument:
• Karl Fischer volumetric titration method for samples with relatively higher water content
• Karl Fischer coulometric titration method for trace moisture analysis with high sensitivity
• Supports automatic switching between different measurement modes
• Suitable for liquid, solid, and gas sample analysis

7-Inch Color Touchscreen Operation
The instrument is equipped with a high-resolution color LCD touchscreen:
• Clear display and intuitive operation interface
• Easy parameter setting and method selection
• Simplifies laboratory testing procedures
• Improves measurement efficiency and user experience

Intelligent Laboratory Management System
The built-in intelligent operating system provides comprehensive laboratory management functions:
• Method management
• Reagent management
• Sensor management
• Sample management
• Data management
• User management
• GMP management
• Cloud management

Multiple Automatic Measurement Modes
The SFK-506VC supports various measurement modes to meet different application requirements:
• Automatic measurement mode
• KF titration factor determination mode
• Karl Fischer oven automatic measurement mode
• Karl Fischer oven blank correction mode
• Coefficient calibration mode
These functions allow laboratories to achieve reliable moisture analysis for different sample types.

Safe Solvent Management System
The advanced solvent management system improves laboratory safety and operation convenience:
• Leak-proof liquid management design
• Waste bottle anti-backflow structure
• Automatic titration cup filling
• Automatic titration cup drainage
• Reagent mixing function
• Automatic cleaning function
• Reduces direct contact with Karl Fischer reagents

GMP and GLP Data Integrity Management
The SFK-506VC provides complete data tracking and laboratory compliance functions:
• Three-level user permission management
• System administrator
• Laboratory administrator
• Operator
• GMP operation log recording
• Complete measurement data traceability
• Supports electronic signature management through optional GMP software
• Meets modern laboratory quality management requirements

Working Principle
Karl Fischer Volumetric Titration Principle
The Karl Fischer volumetric method determines water content by measuring the amount of Karl Fischer reagent consumed during the chemical reaction between iodine, sulfur dioxide, alcohol, and water.
The quantity of reagent consumed is proportional to the amount of water contained in the sample, allowing accurate calculation of moisture content.
The volumetric method is mainly suitable for:
• Organic solvents
• Chemical raw materials
• Petroleum products
• Food materials
• Pharmaceutical samples

Karl Fischer Coulometric Titration Principle
The Karl Fischer coulometric method generates iodine electrochemically inside the titration cell. The moisture content is calculated based on the electrical charge required for iodine generation.
This method provides high sensitivity for trace moisture measurement.
The coulometric method is suitable for:
• High-purity chemicals
• Electronic materials
• Transformer oils
• Gases
• Hygroscopic materials

Data Management and Communication
The SFK-506VC provides advanced data storage and communication functions:
• Supports μg, mg, %, ppm, μg/L, and mg/L measurement units
• Supports measurement data storage, review, deletion, transmission, and printing
• Storage capacity:
• Volumetric method: 2000 measurement records
• Coulometric method: 2000 measurement records
• Supports CSV and PDF data export
• Supports USB flash drive import and export of measurement methods
• Supports USB flash drive export of measurement results
• USB interface supports barcode scanner connection
• RS-232 interface supports printer, Karl Fischer oven, and balance connection
• Supports WLAN, WiFi, and USB communication
• Supports Chinese and English operation languages

Technical Specifications

Parameter	Volumetric Karl Fischer Method	Coulometric Karl Fischer Method
Model	SFK-506VC	SFK-506VC
Measurement Principle	Karl Fischer volumetric titration	Karl Fischer coulometric titration
Water Measurement Range	100 μg～250.0 mg	3.0 μg～200 mg
Resolution	1 μg	0.1 μg
Display Units	μg, mg, %, ppm, μg/L, mg/L	μg, mg, %, ppm, μg/mL, mg/L
Repeatability	≤0.3%	≤0.3%
Potential Measurement Range	0～2000 mV	0～2000 mV
Potential Resolution	0.1 mV	0.1 mV
Polarization Current Range	1～200 μA	1～200 μA
Polarization Current Error	±3%	±3%
Polarization Current Stability	±2.5%/30 min	±2.5%/30 min
Electrolysis Current Basic Error	—	±0.5%
Electrolysis Current Stability	—	±0.2%/10 min
Power Supply	AC 100-240V, 47-63Hz	AC 100-240V, 47-63Hz
Dimensions	240 × 370 × 270 mm	240 × 370 × 270 mm
Weight	Approx. 4 kg	Approx. 4 kg

Application Areas
Pharmaceutical Industry
The SFK-506VC is widely used for moisture determination in:
• Active pharmaceutical ingredients (API)
• Pharmaceutical excipients
• Solvents
• Raw materials
• Finished products

Chemical Industry
Applications include:
• Organic solvents
• Chemical reagents
• Industrial chemicals
• High-purity materials
• Specialty chemicals

Petroleum and Energy Industry
Suitable for moisture analysis of:
• Transformer oil
• Lubricating oil
• Fuel additives
• Petroleum products

Food and Beverage Industry
Used for:
• Oils and fats
• Food additives
• Powder materials
• Food ingredients

Electronics and Advanced Materials
Applications include:
• Semiconductor materials
• Battery materials
• Electronic chemicals
• Moisture-sensitive materials

SFK-506VC vs Traditional Moisture Testing Methods

Comparison Item	SFK-506VC Karl Fischer Moisture Analyzer	Traditional Moisture Testing Methods
Detection Accuracy	High precision moisture analysis	Lower accuracy
Measurement Range	Trace moisture to higher moisture levels	Usually limited range
Sample Compatibility	Liquid, solid, and gas samples	Limited sample types
Testing Speed	Automatic and efficient measurement	Longer testing process
Operation	Intelligent automated operation	More manual operation
Data Management	GMP/GLP compliant digital records	Manual recording required
Safety	Closed reagent management system	Higher reagent exposure risk
Traceability	Complete data tracking	Limited traceability

Reference Standards
The SFK-506VC complies with:
• GB/T 26793-2011
Coulometric Karl Fischer Moisture Analyzer
• JJG 1044-2008
Karl Fischer Coulometric Moisture Analyzer Verification Regulation
• JJG 1154-2018
Karl Fischer Volumetric Moisture Analyzer Verification Regulation

Frequently Asked Questions (FAQ)
1. What is the SFK-506VC Karl Fischer Moisture Analyzer used for?
The SFK-506VC is designed for accurate water content measurement in liquids, solids, and gases using Karl Fischer volumetric and coulometric titration methods.

2. What is the difference between volumetric and coulometric Karl Fischer methods?
The volumetric method is suitable for samples with higher moisture content, while the coulometric method is designed for trace moisture measurement with higher sensitivity.

3. Can the SFK-506VC measure solid samples?
Yes. With the optional Karl Fischer oven accessory, the instrument can analyze solid samples, volatile materials, and difficult-to-dissolve samples.

4. Is the SFK-506VC suitable for pharmaceutical quality control?
Yes. The instrument supports GMP management, GLP data integrity, user permissions, and complete traceability, making it suitable for pharmaceutical laboratories.

5. How many measurement results can the instrument store?
The SFK-506VC can store:
• 2000 sets of volumetric measurement data
• 2000 sets of coulometric measurement data

6. Does the SFK-506VC support automatic operation?
Yes. It supports automatic measurement modes, automatic calibration functions, Karl Fischer oven measurement, and automatic sample testing procedures.

7. What should buyers consider when selecting a Karl Fischer moisture analyzer?
Important selection factors include:
• Required moisture measurement range
• Sample type and characteristics
• Required measurement accuracy
• GMP/GLP compliance requirements
• Data management requirements
• Need for Karl Fischer oven accessories

Frequently Asked Questions (FAQ)
1. What is the SFK-506VC Karl Fischer Moisture Analyzer used for?
The SFK-506VC is designed for accurate water content measurement in liquids, solids, and gases using Karl Fischer volumetric and coulometric titration methods.

2. What is the difference between volumetric and coulometric Karl Fischer methods?
The volumetric method is suitable for samples with higher moisture content, while the coulometric method is designed for trace moisture measurement with higher sensitivity.

3. Can the SFK-506VC measure solid samples?
Yes. With the optional Karl Fischer oven accessory, the instrument can analyze solid samples, volatile materials, and difficult-to-dissolve samples.

4. Is the SFK-506VC suitable for pharmaceutical quality control?
Yes. The instrument supports GMP management, GLP data integrity, user permissions, and complete traceability, making it suitable for pharmaceutical laboratories.

5. How many measurement results can the instrument store?
The SFK-506VC can store:
• 2000 sets of volumetric measurement data
• 2000 sets of coulometric measurement data

6. Does the SFK-506VC support automatic operation?
Yes. It supports automatic measurement modes, automatic calibration functions, Karl Fischer oven measurement, and automatic sample testing procedures.

7. What should buyers consider when selecting a Karl Fischer moisture analyzer?
Important selection factors include:
• Required moisture measurement range
• Sample type and characteristics
• Required measurement accuracy
• GMP/GLP compliance requirements
• Data management requirements
• Need for Karl Fischer oven accessories