Nitrogen Evaporator
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Last Updated
28 Jul 2019
Country Origin
Minimum Order
1 unit
General lab

Specification of Nitrogen Evaporator

NDK200-1B visual nitrogen concentrator is mainly used for enrichment of large-volume sample or preparation (such as drug screening, hormone analysis, liquid phase, and mass spectrometry in the analysis of sample preparation). Working principle: the nitrogen into the heated surface of the sample and make the solvent t evaporate and separated rapidly, thereby reaching the sample enrichment purpose without oxygen, keep the sample purer. Nitrogen concentrator instrument can concentrated dozens of samples simultaneously, saving time and high efficient, instead of rotary evaporation instrument. This type of product has a unique feature: The liquid level position of sample concentration can be observed at any time.


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, Gas needle position in the gas chamber can be changed, suitable for various kinds of tubes.

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

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

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

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

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

8, configured standard gas chamber and special adjustable bracket.

Technical Specification

ModelNK200-IB visual nitrogen concentrator
Temperature rangeRT+5°C to 150°C
Heating time≤30min  (From 40°C to 150°C)
Temperature accuracy (40~100°C)±1°C
Temperature accuracy (100~150°C)±1.5°C
Temperature uniformity (100°C)±1°C
Blocks Quantity1 piece
Display accuracy0.1
Time range99h59min
Nitrogen flow0-10L/min
Nitrogen pressure≤0.1MPa
Dimensions280x220x500 mm
Blocks SelectionRefer to the "blocks replacement for NDK-1B Series"

English Manual Download

Blocks replacement for NDK-1B Series


Above price does not include any block and the flow regulating valve. Blocks and the flow regulating valve could be selected from below block list. If you want to order the blocks and the flow regulating valve, please refer to the price below and contact us.

TypeTube diameterTubesBlock size (mm)Price (USD)
NK0110 mm12153.5 x 96 x 49117.99
NK0212 mm12153.5 x 96 x 49117.99
NK0313 mm12153.5 x 96 x 49117.99
NK0415 mm12153.5 x 96 x 49117.99
NK0516 mm12153.5 x 96 x 49117.99
NK0619 mm12153.5 x 96 x 49117.99
NK0720 mm12153.5 x 96 x 49117.99
Flow regulating valve68.99

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