Fully automatic headspace sampler

I. Overview

HLDK-A80seriesFully automatic headspace sampleryesIThe company has developed and launched a product withFully automatic function、Large touch screendisplaycompact structure、Convenient human-computer interactionofFully automatic headspace sampler. ItsThe principle is to place the test sample in a closed container and heat it up to make the volatile components in the test sample evaporate from the sample matrix,waitreach equilibriumafterDirectly extract the upper gasSend to post-treatment equipment such as gas chromatographyConduct analysis to detect the composition and content of volatile components in the sample.

2、 Performance indicators

1. Headspace furnaceWendegreecontrolmanufactureRange: Room temperature~260℃Step size1℃

2. Temperature control range of valve injection system: room temperature~220℃Step size1℃

3. Temperature control range of sample transfer pipeline: room temperature~220℃Step size1℃

4. Temperature control accuracy：< ±0.1℃

5. Temperature control gradient:< ±0.1℃

6. Headspace furnace number of workers:1 or 3

7. Headspace bottle workstation:12/24/30 workstations

8. Headspace bottle specifications: standard20ｍl（10ｍlSpecifications can be customized)

9. Injection pressure range:0～0.4Mpa，Continuously adjustable

10. Monitoring pressure range：0～0.4Mpa， pressure gaugedisplay

11. Analyze repeatability：RSD<1.5%（200ppm ethanol aqueous solution, withGCPerformance related)

12. Power supply:AC220V 50Hz

13. Power:500W

14. Instrument size:650×380×620ｍｍ3

15. Instrument weight: approximately40kg

3、 Main functions and features

1. Fully automatic system, safe and reliable, one click operation, can be unattended

2. Modular design of software and hardwareCompact structure

3. The large touch screen interface is rich in information, simple in human-computer interaction, easy to operate, and has the following functions:

a)LCD screenThe displayed information includes:Multi method parameter setting, real-time working status, running process and timeInformation, etc

b)Headspace vial, injection system, and sampling (injection) catheter,Unified coordination through touch screenThree way heating and temperature control

c)10 methods for editing, storing, and calling at any time

d) Can start synchronouslyGC、 Chromatographic data processing workstation, also available外部Event program starts this device, achieve multiple repeated injections of the same sample bottle

e)haveSelf checking function(Board level and gas circuit)And fault displayfunction

4. The sample tray is automatically positioned and the dial number is displayed in real-time on the screen

5. The sample transfer tube (including sampling needle) and injection valve have automatic blowback function, which avoids cross contamination of different samples

6. The combination of a six way valve and a quantitative loop effectively reduces dead volume and improves analytical sensitivity

7. The six way valve and transmission pipeline link have no transmission cold points, ensuring the integrity of the sample

8. Allow for secondary sample addition during the experimental process without the need for resetting or interrupting the original experimental sequence, flexible and convenient

9. Support the installation of sample bottle oscillation function, shorten balance time, improve sensitivity and repeatability (user selectable)