Fully Automatic Kjeldahl Nitrogen Analyzer


* Large LCD touch screen.

* Siemens control system, with high precision and stability.

* Alkali solution could be added repeatedly in the process of distillation.

* Multi-protection function,such as safety door, overpressure protection, water shortage protection,etc.

Additional Features of BKN-987A:

* It could show the titration curve.

* One key to wash the alkali liquor pipes.

* Automatically discharge the waste in the digestive tubes.

Model BKN-987 BKN-987A
Working Process Adding quantitative sample dilution, alkali liquor and absorption liquid;

Automatically finishing distillation, titration, print and liquid-discharging.

Measurement Range 0.1~240mgN
Sample Amount Solid<6g; liquid<16ml
Measurement Time 4~6 minutes
Titration Precision 0.75μL/step
Requirement of Cooling Water <18℃
Cooling Water Consumption 1.5L/min (Distillation process)
Titration Solution Concentration Direct titration samples with 4 titration concentrations of 0.1mol,0.5 mol and 1 mol
Titration System High-precision plunger type titration system High-precision peristaltic titration system
Repeatability ±0.5%
Recovery Ratio ≥99.5%
Data Storage 140,000 groups
Consumption 2000W
Power Supply AC220V, 50/60Hz
Packing Size(W*D*H) 510*460*710mm
Gross Weight 36.4Kg 39.8Kg


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