Automatic Kjeldahl Distillation Unit

The KDI040 is a fully automatic Kjeldahl distillation unit designed for reproducible and accurate nitrogen determination across food, feed, environmental, and pharmaceutical applications. Built with robust borosilicate glassware and a stainless steel steam generator, it ensures long-lasting, reliable operation in demanding laboratory environments.

Key Features:

• Fully automatic operation: Steam, water, acid, and boric acid addition
• LCD display with programmable interface for up to 50 editable methods
• Steam power adjustable from 25% to 100% for precise distillation control
• Reagent level sensors and alarms to prevent dry-out or process interruption
• One-point calibration for alkali and distilled water pump
• Two-point calibration for acid pump for accurate titration results
• Door interlock system with safety switch halts operation upon door opening
• Real-time process monitoring and nitrogen recovery >99.5%
• Built-in tube break detection and SELV protection for enhanced lab safety

Specifications:

• Tube Capacity: 250 mL / 400 mL
• Minimum Distillation Time: 5 minutes
• LOD: 1–200 mg with <0.2 mg nitrogen
• RSD: <1%
• Nitrogen Reproducibility: ±1%
• User Programs: 50 (10 preloaded, 40 editable)
• Power Consumption: 1000 W
• Current: 5.5 A
• Dimensions (L × W × H): 650 × 350 × 725 mm