Dumas Nitrogen Analyzer LZ-NDA-A100 Catalog

Dumas Nitrogen Analyzer LZ-NDA-A100 is an advanced nitrogen analysis instrument that uses the proven Dumas combustion method to deliver fast, reliable quantitative results for total nitrogen. Designed for routine laboratory use, it automates combustion, gas purification and detection to significantly reduce operator time and enhance productivity compared with traditional chemical methods. The analyzer supports a wide range of sample types, ensuring consistent performance across food, feed, fertilizer and environmental matrices.

Measure range	0.1~500 mg N
Sample injector	60 positions
Sample weight	Solid≤1g Liquid≤1ml
Analysis time	3-4minutes / piece
Recovery rate	≥99.5%
Detector	TCD
Carrier gas	CO2
Carrier gas purity	99.999%
O2 purity	99.999%
Furnace temperature	1200°C
Interface	RS232, USB, windows 7 or above
Environmental conditions	15-30°C ambient temperature, ≤85% RH
Power	2000 W
Power supply	220V, 50/60Hz
Packing dimensions	Main unit: 860 x 680 x 730 mm Accessories: 520 x 490 x 350 mm
Gross weight	Main unit: 79kg Accessories: 17kg

• High efficiency Dumas combustion
• Fully controlled combustion and detection with minimal intervention
• Weighing data transmission
• Built-in automatic sampler
• Equipped with automatic sampling tray, combustion furnace
• Alarm system to make operation safer
• Wide detection capability
• Sturdy construction ensures long-term reliability in laboratory environments

Dumas nitrogen analyzer is engineered for precise nitrogen/ protein analysis across multiple sectors such as food and feed testing, agricultural products, environmental analysis, research and quality control.