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| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK149 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Distillation Time | 1–99 min (typical cycle: 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 2100 W |
| Dimensions (L×W×H) | 385 × 780 × 416 mm |
| Weight | 27 kg |
| Safety Compliance | Integrated thermal, mechanical, and fluid-flow interlocks |
| Interface Ports | RS232, dual USB, TTL, Ethernet |
| Display | 3.5-inch capacitive touchscreen |
| Control Architecture | Fully programmable microprocessor-based automation system |
| Cooling System | High-efficiency titanium condenser (low water consumption) |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK159 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Nitrogen Determination Range | 0.1–200 mg N |
| Distillation Time | 1–99 min (typical 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Sample Nitrogen Mass Capacity | 0.1–200 mg N |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 2200 W |
| Dimensions (W×D×H) | 385 × 780 × 416 mm |
| Weight | 31 kg |
| Display | 6-inch full-color capacitive touchscreen |
| Operating System | Embedded Windows-based UI |
| Language Options | English, Chinese, Italian, French, Russian |
| Data Storage Capacity | >100,000 test records |
| Connectivity | Ethernet, 2× USB, RS232 |
| Steam Generator | Atmospheric-pressure stainless-steel steam generator with optimized thermal conductivity |
| Condenser | High-efficiency titanium condenser |
| Safety Sensors | Digestion tube position, safety door interlock, drip tray level, cooling water overflow, reagent tank level, waste tank level |
| Protective Features | Splash guard (polymer-based, replacing glass), corrosion-resistant housing, color-coded digestion tubes |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK139 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Nitrogen Determination Range | 0.1–200 mg N |
| Sample Weight Capacity | ≤5 g |
| Distillation Time | 1–99 min (typical 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 2100 W |
| Dimensions (L×W×H) | 780 mm × 385 mm × 416 mm |
| Safety Features | Steam Generator Overtemperature Protection, Cooling Water Flow Monitoring, Digestion Tube Position Sensor, Safety Door Interlock |
| Interface Ports | RS232, 2×USB, TTL, Ethernet |
| Programmable Methods | Up to 20 user-defined distillation protocols |
| Automatic Functions | Alkali dosing, steam generation, dilution, waste ejection (digestion tube & titration cup), cup rinsing, endpoint detection |
| Display | 3.5-inch capacitive touchscreen with multilingual UI (including English and Chinese) |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK129 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Distillation Time | 1–99 min (typical: 3.5 min per sample) |
| Repeatability | ≤1% RSD |
| Nitrogen Recovery Rate | ≥99.5% |
| Detection Limit | ≥0.1 mg N |
| Cooling Water Flow | 0.5 L/min at 15°C to 1.0 L/min at 30°C |
| Power Consumption | 2100 W |
| Enclosure Material | Reinforced Steel Structure with Chemical-Resistant Coating |
| Sample Tube Compatibility | Conical taper interface supporting digestion tubes up to 500 mL |
| Preheating Time | 90 s |
| Safety Features | Digestion tube presence sensor, closed-alkali delivery system, automatic cooling water shutoff during idle mode |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | DKL Series |
| Heating Temperature Range | Room Temperature to 450 °C |
| Temperature Control Accuracy | ±0.5 °C |
| Programmable Heating Profiles | 54 Predefined + 24 User-Defined |
| Heating Ramp Stages | 4 |
| Heating Duration | 0–999 min |
| Automatic Lift Arm | Yes |
| Compliance Standards | AOAC, EPA, DIN, ISO |
| Display Interface | Multilingual (including Chinese) |
| Available Configurations | DKL8 (8-position), DKL12 (12-position), DKL20 (20-position), DKL42 (42-position) |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Instrument Type | Dumas Combustion Analyzer |
| Automation Level | Fully Automated |
| Measurement Range | 5–20 mg sample mass |
| Sample Weight Capacity | up to 100 mg |
| Distillation Time | 6–12 min |
| Repeatability | ≤ 0.2 % RSD (sulfanilic acid) |
| Oxygen Recovery Rate | ≤ 0.2 % |
| Power Consumption | 570 W |
| Dimensions (L×W×H) | 500 × 510 × 410 mm |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Instrument Type | Dumas Combustion Method |
| Repeatability | < 0.1% |
| Recovery Rate | > 99.5% |
| Power Consumption | 1400 W |
| Dimensions (L×W×H) | 655 × 510 × 410 mm |
| Weight | 54 kg |
| Voltage/Frequency | 230 V / 50–60 Hz |
| Compliance | ASTM D5623, ISO 14891, AOAC 992.15, EN ISO 16634-1 |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK169 and AutoKjel |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Recovery Rate | ≥99.5% |
| Repeatability | ≤1% |
| Distillation Time (incl. Titration) | 4 min |
| Power Consumption | 2250 W |
| Dimensions (L×W×H) | 830 × 1730 × 416 mm |
| Weight | 171 kg |
| Compliance | ASTM D1144, ISO 8968-1, AOAC 981.10, USP <321>, EN ISO 1871 |
| Software | UDK Control Suite v3.x with GLP-compliant audit trail |
| Connectivity | RS232, USB, optional Ethernet/LAN |
| Sample Throughput | Up to 20 samples per hour (continuous mode) |
| Safety Certifications | CE, IEC 61010-1, IP22 |
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