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Product Description

The Labmart DBNE12 Dry Bath Nitrogen Evaporator is a microcomputer-controlled sample concentrator designed for controlled evaporation of solvents using nitrogen gas. It combines an aluminium block bath with controlled nitrogen blowing to concentrate samples at controlled temperatures.

The DBNE12 features 12 × 16.5 mm sample positions, 400 W heating power, a temperature range of room temperature +5°C to 150°C, 5-point multipoint operation, LCD display and PID temperature control. The system is designed for applications involving pharmaceuticals, biotechnology and environmental analysis, particularly where controlled solvent evaporation and sample concentration are required. DBNE12


3. Detailed Product Description

Product Overview

The DBNE12 Dry Bath Nitrogen Evaporator is a laboratory nitrogen sample concentrator that uses a stream of nitrogen gas directed onto the surface of heated samples to accelerate and control solvent evaporation.

The system combines a microcomputer-controlled processing unit with PID control and an aluminium block bath designed for even heat conductivity. Nitrogen is introduced through individual gas needles positioned over the samples, allowing controlled nitrogen evaporation while reducing oxygen exposure during concentration. DBNE12

The DBNE12 provides 12 sample positions of 16.5 mm, making it suitable for simultaneous concentration of multiple samples. The nitrogen gas distribution assembly incorporates a needle channel for combined or separate use, while independent glass pipettes are provided to help avoid cross-contamination. DBNE12

The instrument provides a temperature range of R.T. +5°C to 150°C, temperature-control accuracy of ≤±0.5°C, 0.1°C display resolution, and a temperature rise time of ≤30 minutes from 40°C to 150°C. DBNE12


4. Key Features & Benefits

  • 12 Sample Positions – Accommodates 12 samples simultaneously.
  • 16.5 mm Hole Size – Designed around 12 × 16.5 mm sample positions.
  • Nitrogen-Assisted Evaporation – Nitrogen is blown onto the heated sample surface to promote controlled solvent evaporation.
  • Sample Concentration – Designed specifically as a dry bath nitrogen evaporator/sample concentrator.
  • 400 W Heating Power – Provides controlled heating for evaporation.
  • Temperature Range up to 150°C – Operates from R.T. +5°C to 150°C.
  • PID Temperature Control – Supports precise temperature regulation.
  • Microcomputer Control – Automated processing and parameter control.
  • 5-Point Multipoint Operation – Supports programmed multipoint operation.
  • LCD Display – Digital display for operating parameters.
  • 0.1°C Display Resolution – Fine temperature indication.
  • ≤±0.5°C Temperature-Control Accuracy – Provides controlled heating conditions.
  • Aluminium Block Bath – Designed for good and even heat conductivity.
  • Independent Glass Pipettes – Helps reduce cross-contamination between samples.
  • Gas Distribution Assembly – Needle channels can be used in combined or separate configurations.
  • Adjustable Lifting Stand – Maximum lifting stroke of 285 mm.
  • Optional Nitrogen Flow Meter – Nitrogen flow measurement is available as an optional accessory.
  • Wide Temperature-Control Range – Suitable for different controlled evaporation requirements. DBNE12

5. Technical Specifications

Specification DBNE12
Product Type Dry Bath Nitrogen Evaporator / Sample Concentrator
Model DBNE12
Make LABMAN
HSN Code 84198990
Number of Holes 12 × 16.5 mm
Heating Power 400 W
Maximum Gas Pressure 0.04 MPa
Temperature Range R.T. +5°C to 150°C
Time Setting Yes
Display Resolution 0.1°C
Temperature-Control Accuracy ≤±0.5°C
Temperature Rise Time ≤30 min, 40–150°C
Multipoint Operation 5 Points Support
Display LCD Display
Maximum Lifting Stroke 285 mm
Gas Flow Rate <15 L/min
Gas Needle Head Outer Diameter Ø7 mm
Gas Needle Length 150 mm
Applicable Test Tube Diameter ≥10 mm module
Power Supply 220 V
Packing Dimensions (L × W × H) 500 × 285 × 285 mm
Gross Weight 8 kg
Control System Microcomputer controlled / PID
Nitrogen Flow Meter Optional

The model-specific DBNE12 values, including 12-position capacity, 400 W heating power, 0.04 MPa maximum gas pressure, dimensions and 8 kg gross weight, are specified in the catalogue's technical table. DBNE12


6. How the DBNE12 Works

The DBNE12 uses controlled nitrogen evaporation combined with dry-bath heating.

Operating Principle

Load Samples → Set Temperature → Position Gas Needles → Introduce Nitrogen → Heat Samples → Nitrogen-Assisted Solvent Evaporation → Concentrated Samples

Nitrogen is directed onto the heated surface of the samples in a fast, consecutive and controllable manner. The heated aluminium block provides controlled and relatively even heating while the nitrogen stream assists solvent evaporation. DBNE12

The catalogue also states that nitrogen blowing achieves oxygen-free concentration, which is particularly relevant when sample concentration needs to be performed under reduced oxygen exposure.


7. Applications

The supplied catalogue describes the Dry Bath Nitrogen Evaporator as suitable for solvent evaporation and sample concentration, with applications including:

  • Pharmaceutical applications
  • Biotechnology
  • Environmental analysis
  • Laboratory sample concentration
  • Controlled solvent evaporation
  • Heat-sensitive sample processing

The source specifically describes the instrument as suitable for concentrating samples at controlled temperatures and identifies pharmaceuticals, biotechnology and environmental analysis as application areas. DBNE12


8. Suitable For

  • Pharmaceutical laboratories
  • Biotechnology laboratories
  • Environmental analysis laboratories
  • Analytical laboratories
  • Research laboratories
  • Sample preparation laboratories
  • Laboratories performing solvent evaporation
  • Laboratories requiring nitrogen-assisted sample concentration
  • Multi-sample concentration workflows

9. FAQs

1. What is the Labmart DBNE12?

The DBNE12 is a Dry Bath Nitrogen Evaporator / Sample Concentrator designed for controlled solvent evaporation and sample concentration.

2. How many samples can the DBNE12 process?

The DBNE12 has 12 sample positions.

3. What is the sample position size?

The specification is 12 × 16.5 mm.

4. What is the temperature range?

The temperature range is R.T. +5°C to 150°C.

5. What is the heating power?

The DBNE12 has 400 W heating power.

6. What is the temperature-control accuracy?

The specified accuracy is ≤±0.5°C.

7. What is the temperature resolution?

The display resolution is 0.1°C.

8. Does the DBNE12 use nitrogen gas?

Yes. Nitrogen is blown onto the heated sample surface to assist controlled solvent evaporation.

9. What is the maximum gas pressure?

For the DBNE12, the specified maximum gas pressure is 0.04 MPa.

10. What is the gas flow rate?

The specified gas flow rate is <15 L/min.

11. Does it have programmable operation?

Yes. The DBNE12 supports 5-point multipoint operation.

12. Does it have PID control?

Yes. The system uses a microcomputer-controlled processing unit and PID control mode.

13. Does it have an LCD display?

Yes. The instrument has an LCD display.

14. What is the maximum lifting stroke?

The maximum lifting stroke is 285 mm.

15. What is the needle length?

The specified gas needle length is 150 mm for the test-tube diameter ≥10 mm module configuration.

16. Is a nitrogen flow meter included?

No. The nitrogen flow meter is an optional accessory.

17. What is the power supply?

The specified power supply is 220 V.

18. What is the gross weight?

The specified gross weight is 8 kg.

19. What applications is it designed for?

The catalogue identifies pharmaceuticals, biotechnology and environmental analysis, along with general controlled-temperature sample concentration.

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