DHN200-1,Dry Nitrogen Blower,Dry-Type Nitrogen Sample Concentrator

Dry Nitrogen Blower series

The DHN200-1 dry nitrogen concentrator, also known as a nitrogen blow-down instrument, is mainly used for the concentration or preparation of large quantities of samples under anaerobic conditions. It is widely used in pesticide residue analysis, commercial inspection, food, environment, pharmaceuticals, bioproducts, and other industries. The nitrogen blow-down instrument uses microcomputer control technology and high-purity aluminum material as the heating medium for fast heating, accurate temperature control, and a wide temperature control range. The DHN200 can process 12 sets of samples simultaneously. The manufacturer also provides a variety of nitrogen blow-down instrument models, such as water bath nitrogen blow-down instruments, circular nitrogen blow-down instruments, and visible nitrogen blow-down instruments, which customers can choose from.

The background of nitrogen blow-down instruments: "Rapid Detection Technology for Pesticide Residues in Agricultural Products and Their Production Environments (MRSM)" is an international advanced agricultural science and technology project introduced and implemented by the Institute of Environmental Protection of the Ministry of Agriculture and the Environmental Monitoring Station of the Ministry of Agriculture. The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China issued the "Detection Method of Melamine in Raw Milk and Milk Products" GB/T 22388-2008 on October 7, 2008, which requires the use of a nitrogen blow-dryer for sample pre-processing of melamine in milk and other dairy products. See section 3.3 of this detection method for instrument and equipment details.

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Product details

1. Dry Nitrogen Blower:Product Overview

1. Each blowing needle can be controlled independently to avoid cross-contamination.

2. The height of the instrument's gas chamber can be adjusted independently, and comes with a standard gas needle length of 15 cm.

3. The DHN200 nitrogen blowing concentrator has 12 gas channel control switches, which saves gas and allows the position of each blowing needle to be changed independently, making it suitable for different sample containers and positions.

4. When concentrating toxic solvents, the entire system can be placed in a fume hood to reduce danger.

5. The instrument has a built-in over-temperature protection device, automatic fault detection, and alarm function, which is convenient and practical.

6. The instrument has an LED display screen, which synchronously displays the temperature and decrements the time, enabling real-time observation of temperature changes.

7. The dry nitrogen blowing concentrator has a more uniform overall temperature and faster heating speed.

8. This product can also be used as a regular dry constant temperature device.

9. The DHN200 is a dry nitrogen blowing concentrator that is easier to use and can achieve temperatures of up to 150℃, allowing for better sample concentration.
2. Dry Nitrogen Blower:application area

1. Pesticide residue analysis: such as vegetables, fruits, grains, and plant tissues;

2. Environmental analysis: such as drinking water, groundwater, and polluted water samples;

3. Biological analysis: such as sample preparation for hormone analysis, liquid, gas and mass spectrometry analysis;

4. Food and beverage: such as milk, wine, beer, etc;

5. Pharmaceutical drug inspection: such as traditional Chinese medicine, drug screening.
3. Dry Nitrogen Blower:Product parameter

Model: DHN200-1

Temperature control range: Room temperature +5℃ ~ 150℃

Heating time: ≤30 minutes (from 20℃ to 100℃)

Temperature stability (@100~150℃): ≤±1℃

Temperature stability (@40~100℃): ≤±0.5℃

Maximum temperature difference of modules @40℃: 0.3℃

Module temperature uniformity: ≤±0.5℃

Temperature display accuracy: 0.1℃

Longest timing: 99h59min

Maximum temperature: 150℃

Maximum power: 250W

Product size: 260x220x85mm

Product weight: ≤2.95kg
4. Dry Nitrogen Blower:Module specification

| Model | Test tube diameter | Number of test tubes | Module size |

| DT01 | 6mm | 42 | 95.5*76.5*50 |

| DT02 | 7mm | 42 | 95.5*76.5*50 |

| DT03 | 10mm | 20 | 95.5*76.5*50 |

| DT04 | 12mm | 24 | 95.5*76.5*50 |

| DT05 | 13mm | 20 | 95.5*76.5*50 |

| DT06 | 15mm | 12 | 95.5*76.5*50 |

| DT07 | 16mm | 12 | 95.5*76.5*50 |

| DT08 | 19mm | 12 | 95.5*76.5*50 |

| DT09 | 20mm | 6 | 95.5*76.5*50 |

| DT10 | 26mm | 6 | 95.5*76.5*50 |

| DT11 | 28mm | 4 | 95.5*76.5*50 |

| DT12 | 40mm | 4 | 95.5*76.5*50 |

| DT13 | 0.5ml | 48 | 95.5*76.5*50 |

| DT14 | 1.5ml | 24 | 95.5*76.5*50 |

| DT15 | 2.0ml | 24 | 95.5*76.5*50 |

| DT16 | 0.2ml | 48 | 78*114*26 |

| DT17 | Flat | 96-well Plate | 81*123*19 |

| DT18 | Customizable | Customizable | Customizable |

| ther Customized Specifications - Customizable |
5. Dry Nitrogen Blower:inventory

Host: 1 unit

height-adjustable stand: 1 set

Module: 1 set

Power cord: 1 piece

Dedicated screwdriver (for disassembling modules): 1 piece

Instruction manual: 1 copy

Quality certificate: 1 sheet

Warranty card: 1 copy

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Dry Nitrogen Blower series

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