VELP UDK 169 with AutoKjel Autosampler - Automatic Kjeldahl Nitrogen Protein Analyzer
고효율 자동 Kjeldahl 질소·단백질 분석기. AutoKjel 오토샘플러와 결합 시 최대 24개 시료 자동 처리. 정밀한 컬러메트릭 적정, 스마트 UI 및 클라우드 연결 지원. 높은 안전성과 유지보수 최소화로 고생산성 실험실에 최적.
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Safety, Efficiency and Precision for High-Throughput Laboratories
The VELP UDK 169 is designed for high-throughput laboratories seeking precise and reproducible results for Kjeldahl nitrogen (TKN), proteins, ammoniacal nitrogen, nitric nitrogen (Devarda), TVBN, sulfites, phenols, volatile acids, cyanides, and alcohol content.
UDK 169 can be combined with the AutoKjel autosampler for a highly productive system capable of autonomously processing sample tubes directly into the fully automatic distillation and titration unit.
- Fully automatic process with simultaneous distillation and titration
- Fast results with online titration and automatic calculation
- High accuracy via integrated colorimetric titrator and precision burette
- Programmable boric acid, water, and sodium hydroxide addition
- Adjustable steam generation (10–100%)
- Automatic residue removal and cleaning
- Smart User Interface with digital display
- Maximum operator safety
- Flexible configuration with autosampler and accessories
Maximum Productivity with AutoKjel
UDK 169 combined with AutoKjel autosampler autonomously processes up to 24 samples (250 mL tubes) or 21 samples (400 mL Jumbo tubes).
Samples are automatically fed into UDK 169 for processing, ensuring operator safety and ease of use.
Designed for continuous operation, the UDK 169 & AutoKjel system delivers maximum sample throughput and automated data processing.
Premium Accuracy and Precision
The colorimetric titrator ensures accuracy, precision, and long lifetime.
- LOD: 0.015 mg N
- LOQ: 0.04 mg N
- Ideal for low-nitrogen samples
- Automatic endpoint detection with colorimetric measurement
- Calibration-free and maintenance-free operation
- Real-time titration graph display
Unrivalled Technologies – Titanium Condenser & Technopolymer Splash Head
The patented titanium condenser ensures efficient thermal exchange with low water consumption.
Distillate temperature remains below 35°C, preventing nitrogen loss.
- Reduced water consumption
- High resistance and long lifespan
- Low break risk during cleaning
The Technopolymer Splash Head offers high durability for intensive use.
- Chemical resistant
- Lifespan up to 10,000 analyses
- Maintenance-free design
Reliability and Safety for Your Lab
Equipped with comprehensive safety sensors monitoring tube placement, safety doors, reagent levels, and cooling water flow.
The patented Steam Generator operates without pressure for safe conditions.
- Rapid pre-heating
- High performance and resistance
- Maintenance-free
- Works with deionized water
Intuitive Software and Data Management
The 7" color touchscreen and intuitive software guide operators step-by-step.
- User management with 3 authorization levels (GLP compliant)
- Real-time graph and automatic result calculation
- Onboard data archive and control of AutoKjel autosampler
- Analysis statistics and distillation series mode
- Data export: .xls, .txt, .csv (LIMS compatible)
- Optional barcode integration
- Optional 21 CFR Part 11 compliance package for regulated industries
Streamlined Processes with VELP Ermes Cloud Platform
Wi-Fi or LAN connectivity enables integration with VELP Ermes Cloud Platform, allowing real-time monitoring and remote management via PC, smartphone, or tablet.
- Manage multiple instruments and workflows remotely
- Receive event and alarm notifications
- Remote analysis interruption and data access control
- Share data securely with authorized service centers for faster diagnostics
TEMS™ Technology
Innovative TEMS™ benefits for resource savings:
- Time Saving: Rapid heating minimizes idle time
- Energy Saving: Reduced consumption lowers CO₂ emissions
- Money Saving: Lower cost per analysis
- Space Saving: Compact footprint optimizes bench space
Technical Data
| Specification | Description |
|---|---|
| Structure | Corrosion-resistant technopolymer |
| Display | 7" color touch screen |
| Titration Graph | Yes |
| Analysis Time | From 4 minutes (including titration) |
| Measuring Range | 0.04 – 220 mg N |
| Reproducibility (RSD) | ≤ 1 % |
| Recovery | ≥ 99.5 % |
| Detection Limit (LOD) | > 0.015 mg N |
| Sodium Hydroxide Addition | Automatic |
| Water Addition | Automatic |
| Boric Acid Addition | Automatic |
| Distillation Residues Removal | Automatic |
| Titration Residues Removal | Automatic |
| Titration Vessel Cleaning | Automatic |
| Steam Flow Regulation | 10 – 100 % |
| Delay Time (Devarda Alloy Analysis) | 00 sec – 99 min 59 sec |
| Distillation in Series | Yes |
| Water Consumption | 0.5 L/min at 15°C; 1 L/min at 30°C |
| Language Selection | Yes |
| Protocol Library | 32 standard + 24 customizable |
| User Management | Yes |
| Archive (On-board Storage) | Yes |
| 21 CFR Part 11 Compliance | Yes, accessory |
| Connectivity | 2×USB; Ethernet; RS232 |
| Power Input | 2300 W |
| Dimensions (W×H×D) | 385×780×416 mm (15.2×30.7×16.4 in) |
| Weight | 31 kg (68.3 lb) |
| Ermes Connection | Yes, via Wi-Fi or LAN |
Brochures & Leaflets
- UDK Series Automatic Kjeldahl Distillation Systems - Brochure [EN]
- Analytical Instruments - Line Brochure [EN]
- Product Portfolio - Brochure [EN]
- Valuable Information On Kjeldahl Method
Comparison Tables
Application Notes
Explore VELP’s comprehensive library of application notes for optimized Kjeldahl analyses across various sample types.
Examples include:
- Alcohol Determination in Beer
- N/Protein Determination in Feed - Kjeldahl method
- Nitrogen Determination in Engine Oil - Kjeldahl method
- Total Nitrogen determination in Urea – Dumas vs Kjeldahl Method
Certifications
VELP products comply with international safety standards.
- CE mark: European Directive compliance
- CB Certificate: IECEE international safety program
- cNEMKOus mark: IEC/EN 61010-1 compliance for US and Canada
Certificates:
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