Coulometric (coulometry) principle, ideal for trace-level testing; 7-inch color touchscreen with smart operation, automatic result calculation, and freely configurable sample IDs; complies with multiple national standards and suits virtually every industry.
8 moisture calculation formulas, 6 determination methods, and 8 end-point detection algorithms
Automatic drift compensation, automatic subtraction of ambient and background moisture, and self-diagnostic fault alerts
One-touch start for reliable results
RS232 interface for connection to a PC, printer, PLC, or LIMS
Overview
Technical Specifications
| Model | WKT-A7 |
| Measuring Principle | Karl Fischer coulometric (coulometry) |
| Electrolysis Rate | 2.4 mg water/min |
| Electrolysis Current | 0–400 mA automatic control |
| Display Measuring Range | 0.1 μg H2O–200 mg H2O |
| Water Content Range | 0.0001%（1ppm）— 100% |
| Sensitivity | 0.1 μg H2O |
| Accuracy | Error ≤ ±3 μg for water content of 100–1000 μg; error ≤ ±0.2% above 1000 μg (injection error excluded) |
| Display : | Large LCD touchscreen |
| Accuracy | 1–500 μg ±1 μg; 0.1% above 500 μg (injection error excluded) |
| Drift Compensation | Microprocessor automatic control |
| Stirring Speed | Independent control system with stepless speed adjustment |
| System Calibration | Built-in automatic calibration program; fine-tune the system gain directly via parameters, or calibrate with a standard |
| Analysis Speed | Adjustable analysis speed, set according to sample characteristics and environment; electrolysis speed freely configurable |
| Endpoint Indication | Screen display / printout / audible alarm / end-point lamp |
| Data Input | Touchscreen input |
| Sample ID | User-Defined |
| Stored Records | 500 records |
| Printing | Built-in low-power high-speed thermal printer, 56 mm paper width |
| Printout | μg / ppm / mg/L / moisture percentage / sample ID / operator / date |
| Calendar/Clock | Analysis time and date displayed and printed |
| Self-Check Functions | Automatic instrument fault diagnosis |
| Linear correlation coefficient of moisture titration | ≥0.9998 |
| Power Consumption | Under 50 W |
| Overall Dimensions | 350*310*125mm |
| Operating Environment | Temperature 5 ℃–40 ℃, humidity <85% |
| Power Supply | AC220V±10% 50HZ±2.5HZ |
| Weight | 5 KG |
Applicable Industries
| Liquid | Chemical industry: alcohols, ethers, acids, benzenes, phenols, organic solvents, and other products suited to Karl Fischer determination. Petroleum and power: insulating oil, transformer oil, and other oils. Pharmaceutical industry: pharmaceutical raw materials, etc. Pesticide industry: emulsifiers, etc. Other industries: lithium battery electrolytes, etc. |
| Solid | Freely soluble solids such as various inorganic salts and citric acid |
| Gas | Gases such as nitrogen, SF6, natural gas, liquefied petroleum gas, Freon, and butadiene |
| The following industries require a Karl Fischer oven | |
| Insoluble Solids | Lithium batteries, plastics, medical, ceramic powders, metal powders, etc. |
| Other Insoluble Solids | Insoluble solids, easily contaminated and cross-contaminating samples (lubricating greases, aldehydes and ketones), samples that react with Karl Fischer reagent, and samples with slow moisture release |
Related Products
Recently Viewed Products
Copyright © Jiangsu Victor Instrument Meter Co., Ltd. All rights reserved | Sitemap | Technical Support: VicoMeter Operations Center
