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| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | NDA702 |
| Analysis Principle | Dumas Combustion Method |
| Carrier Gases | Helium or Argon (switchable without hardware modification) |
| Digestion/Combustion Time | 3–4 min per sample |
| Repeatability (RSD) | < 0.5% |
| Recovery Rate | > 99.5% |
| Detection Limit | 0.001 mg N (He), 0.01 mg N (Ar) |
| Combustion Temperature | 1030 °C |
| Power Consumption | 1400 W |
| Auto-sampler Capacity | Up to 117 positions (4 trays × 30 positions) |
| Dimensions (W×D×H) | 655 × 510 × 410 mm |
| Weight | 55 kg |
| Electrical Supply | 230 V / 50 Hz |
| Gas Purity Requirement | ≥99.999% for He/Ar and O₂ |
| Gas Pressure Requirement | 2 bar for carrier gas and O₂ |
| Detector | Calibrated Thermal Conductivity Detector (TCD), reference-gas-free operation |
| Sample Mass Range | Up to 1.0 g |
| Data Interfaces | USB, RS232 |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | OXITEST |
| Instrument Type | Accelerated Oxidation Stability Analyzer |
| Pressure Range | 0–8 bar |
| Temperature Range | Ambient to 110 °C |
| Sample Volume | 100 mL per chamber |
| Power Consumption | 900 W |
| Voltage | 230 V / 50–60 Hz |
| Dimensions (L×W×H) | 365 × 190 × 485 mm |
| Weight | 16.5 kg |
| Safety Features | Integrated safety vacuum tube, visual over-temperature alarm, real-time fault indication |
| Compliance | CE-marked, IEC-compliant, ISO 9001 / ISO 14001 / ISO 45001 (formerly OHSAS 18001) certified |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | CN802 |
| Analysis Principle | Dumas Combustion Method |
| Measurement Range | 0.001–200 mg N (equivalent to ppm–100% N in sample) |
| Sample Weight | 200 mg–1 g |
| Digestion/Combustion Time | 3–4 min per sample |
| Repeatability | RSD < 0.5% (verified with EDTA reference standard) |
| Detection Limits | 0.01 mg C, 0.001 mg N |
| Recovery Rate | >99.5% |
| Power Consumption | 1400 W |
| Dimensions (L×W×H) | 655 × 510 × 410 mm |
| Carrier Gas Options | Helium or Argon (dual-gas system, no hardware modification required) |
| Compliance | Designed for GLP/GMP environments |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK159 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Automation Level | Semi-Automated Kjeldahl System |
| Compliance Standards | AOAC, ISO 8968, ISO 1871, EPA 350.1, DIN 10492, DIN 10493 |
| Construction Materials | Corrosion-Resistant Polymer Front Panel, Titanium Condenser, Patented Polymer Anti-Splash Head |
| Safety Features | Tube Presence Sensor, Safety Door Interlock, Alkali Reservoir Guard Rod, Waste Tray Level Detection, Condensate Flow Monitoring, Reagent Volume Monitoring, Color-Coded Tubing |
| Titration Method | Photometric (Colorimetric) Titration per AOAC Official Method 981.10 |
| Interface Options | USB 2.0, RS-232, Optional Ethernet Connectivity |
| Data Management | Onboard Storage, GLP-Compliant Audit Trail, Export via USB Drive or PC Connection |
| Peripheral Compatibility | Integrated Balance Interface, Thermal Printer Support, External Computer Synchronization |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Model | UDK169 |
| Power Supply | 230 V / 50–60 Hz |
| Distillation Time | 3–4 min |
| Dispensing Precision | ±2 µL per step |
| Sample Capacity | 24 × 250 mL tubes (Ø42 mm) or 21 × 400 mL tubes (Ø52 mm) |
| Nitrogen Recovery Rate | 99.5% |
| Rated Power | 2250 W |
| Dimensions (W×H×D) | 830 × 1730 × 640 mm |
| Weight | 170 kg |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | UDK149 |
| Instrument Type | Automated Kjeldahl Nitrogen Determinator |
| Automation Level | Fully Automated |
| Nitrogen Determination Range | 0.1–200 mg N |
| Recovery Rate | ≥99.5% (for N content between 0.1–200 mg) |
| Power Consumption | 2100 W |
| Dimensions (W×H×D) | 385 × 780 × 416 mm |
| Touchscreen Display | 3.5-inch color LCD |
| Data Storage Capacity | 50,000 test records |
| Stored Methods | 20 pre-programmed SOPs |
| Repeatability (RSD) | ≤1% |
| Detection Limit | ≥0.1 mg N |
| Steam Output Control | 10–100% adjustable |
| Cooling Water Flow | 0.5 L/min at 15°C |
| Alkali/Water/Acid Dispensing Volume | 0–150 mL / 0–200 mL / 0–100 mL |
| Distillation Time for 100 mL Water | 3 minutes |
| Weight | 27 kg |
| Power Supply | 230 V, 50–60 Hz |
| Connectivity | RS232, USB, TTL, Ehmet interface |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Model | UDK139 |
| Display | 3.5″ Color Touchscreen |
| Programmable Methods | 10 Custom Protocols |
| NaOH/H₂O Addition | Automatic (0–150 mL / 0–200 mL) |
| Steam Output Regulation | 10–100% |
| Cooling Water Consumption | 0.5 L/min at 15°C |
| Repeatability (RSD) | ≤1% |
| Nitrogen Recovery | ≥99.5% (for 1–200 mg N) |
| Detection Limit | ≥0.1 mg N |
| Distillation Time for 100 mL Water | 4 min |
| Power Rating | 2100 W |
| Voltage/Frequency | 230 V, 50–60 Hz |
| Dimensions (W×H×D) | 385 × 780 × 416 mm |
| Weight | 26 kg |
| Interface | 2×USB |
| Enclosure Material | Corrosion-Resistant Polymer Housing |
| Condenser | Titanium-Coated |
| Safety Sensors | Tube Presence, Safety Door Interlock, Alkali Container Guard Rod, Waste Tray Level, Condensate Flow, Reagent Volume Monitoring |
| Brand | VELP |
|---|---|
| Country of Origin | Italy |
| Model | UDK129 |
| Housing Material | Corrosion-Resistant Polymer |
| Display | LCD |
| Programmable Methods | User-Defined Protocols |
| NaOH Addition | Automated, 0–100 mL |
| Cooling Water Consumption | 0.5 L/min at 15°C, 1 L/min at 30°C |
| Distillation Time | ≤5 min for 100 mL water |
| Repeatability (RSD) | ≤1% |
| Nitrogen Recovery Rate | ≥99.5% (for N content 1–200 mg) |
| Detection Limit | ≥0.1 mg N |
| Power Rating | 2100 W |
| Voltage/Frequency | 230/115 V, 50/60 Hz |
| Dimensions (W×H×D) | 385 × 780 × 416 mm |
| Weight | 25 kg |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | NDA701 |
| Analysis Method | Dumas combustion |
| Automation Level | Fully automated |
| Detection Limit | 0.003 mg N |
| Reproducibility (RSD) | < 0.5% |
| Recovery | > 99.5% |
| Combustion Temperature | 1030 °C |
| Sample Weight Capacity | up to 1 g |
| Autosampler Capacity | up to 116 samples |
| Carrier Gas | Helium (99.999% purity, 3 bar) |
| Oxygen Supply | 99.999% purity, 3 bar |
| Auxiliary Gas | Compressed air or nitrogen (99.6%, oil- and water-free, 4 bar) |
| Power Consumption | 1400 W |
| Dimensions (W×H×D) | 655 × 510 × 410 mm (655 × 690 × 410 mm with autosampler) |
| Weight | 54 kg |
| Interfaces | USB, RS232 |
| Compliance | AOAC, AACC, ASBC, ISO 14891, OIV |
| Brand | VELP |
|---|---|
| Origin | Italy |
| Model | DKL Series |
| Instrument Type | Kjeldahl Digestion Unit |
| Max Operating Temperature | 450 °C |
| Temperature Accuracy | ±0.5 °C |
| Ramp Time to 450 °C | 22 min |
| Programmable Steps | 54 |
| Heating Module | Anodized Aluminum Block |
| Digestion Tube Compatibility | DKL8 (250 mL, Ø42 mm), DKL12 (250/400 mL, Ø42 mm), DKL20 (250 mL, Ø42 mm), DKL42 (100 mL, Ø26 mm) |
| Automation Level | Fully Automatic (Digestion + Cooling + End-of-Process Alert) |
| User Interface | Detached LCD Display |
| Unique Technology | VELP TEMS™ (Time, Energy, Money, Space Optimization) |
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