Drawell Automatic Kjeldahl Analyzer DW-K1100F

Drawell Automatic Kjeldahl Analyzer DW-K1100F

Product overview

The DW-K1100F is an automatic Kjeldahl analyzer that integrates distillation, titration, calculation, and data treatment based on the classic Kjeldahl nitrogen determination method . Designed for enhanced performance, this specific model features an upgraded ARM operating system for broader method editing, adopts a 300ml digestion tube , and uniquely enables highly efficient, simultaneous titration during the distillation process .

The Drawell Automatic Kjeldahl Analyzer DW-K1100F supports research, pharmaceutical, environmental, food, industrial, and quality-control laboratories. Scientific China provides model selection, configuration review, export coordination, and formal quotations.

Key features

• 4 KNF Pumps for Accurate Dosing: ensures precise reagent delivery and liquid volume measurement.
• 1.0 μL/step Titration Accuracy: supports high-precision titration and reliable endpoint results.
• 300 mL Digestion Tube Compatibility: supports φ42 mm tubes and is compatible with similar products.
• Built-in Cleaning Programs: includes digestion tube, receiving cup, alkali pipeline, boric acid pipeline, acid washing, and steam bottle evacuation for easier routine maintenance.
• Automatic waste discharge and cleaning ensure operator safety and save time.
• External titration cup design gives operator real-time control of the whole test process.
• Steam flow is controllable, satisfying different test requirements.
• Regent barrel enjoys fluid absence warning function, ensuring smooth test going.
• High-precision charging pump and titration ensure test results’ accuracy.
• The temperature of distilled liquid is detected real time. If the temperature of distilled liquid is abnormal, to ensure the accuracy of experiment’s result, instrument will stop working.
• A double distillation model is used to meet different experiments, to retard the speed of acid-base reaction.
• Digestion tube fast drain function is used to avoid the operator touch distilled hot reagents, protecting operators.
• USB or RS485 interface is optional for PC connection.
• Samples with high levels of volatile nitrogen, azides, nitrates, or organic halogens cannot undergo standard direct digestion. High-temperature digestion of such substances will lead to toxic gas generation, nitrogen loss, and even explosion hazards. Special pre-treatment is required instead of direct digestion on the instrument.

Applications

• Food and Agricultural Product Testing:
• Widely used for the quantitative analysis of protein content in grains (wheat, corn), dairy products, meat, beverages, and condiments. It serves as the legal basis for food safety supervision and nutrition labeling.
• Agricultural and Environmental Monitoring:
• Used to determine total nitrogen in soil, analyze nitrogen metabolism in plants, and determine nitrogen content in fertilizers (organic fertilizers, compound fertilizers). In the water treatment field, it is used to determine Kjeldahl nitrogen (including ammonia nitrogen and organic nitrogen that can be converted into ammonium salts) in industrial wastewater.
• Feed Industry Quality Control:
• Used to determine the crude protein content of raw materials such as compound feed, soybean meal, and forage to assess feed nutrient ratios and quality grades.
• Pharmaceutical and Chemical Research:
• Applied to the purity analysis of proteins or nitrogen-containing components in biological products and pharmaceuticals, as well as the determination of nitrogen content in chemical samples such as natural rubber and ores.

Technical specifications

Ordering and configuration

Final specifications, included accessories, consumables, software, certifications, power requirements, installation, warranty, and regulatory availability depend on the selected model and destination. Contact Scientific China to confirm the suitable configuration, minimum order quantity, price, lead time, documentation, and international delivery terms before purchase.