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NDK200-1A Nitrogen Concentrator




Product Introduction


Product Numbers: NDK200-1A

Product description: The nitrogen sample concentrator (96-gas-needles) NDK200-1A is mainly used for concentrating or preparing sample in batch. Such as drug screening, hormone analysis, liquid phase and mass spectrometry in the analysis of sample preparation. It works by blowing nitrogen in the surface of sample which is being heated to accelerate evaporating and separating the solvent in the samples without oxygen. Instead of the rotary evaporation instrument, nitrogen sample concentrator can efficiently concentrate dozens of samples simultaneously.


 Product features

1, The heater allows samples to be heated rapidly to the evaporation temperature, through the gas blow to the solution surface via needle at the same time, prompting rapid evaporation and concentration solution.

2, The gas chamber height can be adjusted, the length of standard gas needle is 80 mm.

3, Each blow needle can be controlled independently, can be blown, separate flow regulation, no waste of gas.

4, The entire system can be arranged in the ventilation cabinet when process concentration of toxic solvents,

5, Built in over-temperature protection device, automatic fault detection and alarm function.

6, LED display, temperature and time diminishing display, the operation is simple and convenient.

7, configured standard gas chamber and special adjustable bracket.







Temperature Range

R.T.+5°C ~ 150°C

Heating Time

≤30min (from 40°C to 150°C)

Temperature Accuracy (40~100°C)


Temperature Accuracy (100~150°C)


Temperature Uniformity (100°C)


Blocks Quantity

1 block

Temperature Display Accuracy


Time Range


Nitrogen Flow Rate


Nitrogen Pressure





260 x 220 x 500 (mm)

Blocks Selection

Refer to “Exchangeable blocks for NDK200-1A


Conventional configuration

Supply 2 types of optional blocks – DT16 and DT17. Block can be interchanged easily.

Optional flow regulating valve.


Exchangeable blocks for NDK200-1A



Tube Diameter


Block Size (mm)


0.2ml centrifugal tube


78 x 114 x 26


Plate(no holes)

96 hole enzyme plates

81 x 123 x 19


DT16, DT17 is special configured for NDK200-1A



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