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The automatic thermal desorption device is a sample preparation device that is often used in conjunction with a gas chromatograph.
The sample is thermally desorbed into a large syringe, then the sample is manually withdrawn and injected for gas chromatographic analysis.
Automatic thermal desorption equipment mainly consists of:
desorption activation treatment furnace, large constant temperature syringe heating furnace, double temperature controller, manual operation four parts composition.
In addition to the desorption furnace, the automatic thermal desorption device is also equipped with a large constant temperature furnace and syringe heater to achieve the purpose of a multi-function machine;
The carmatic thermal desorption device adopts the integrated design of absorption activation treatment furnace and large constant temperature syringe heating furnace. One machine has multiple functions, greatly improving the cost performance and running cost of the automatic thermal desorption device;
The same sample can be injected repeatedly, avoiding the adverse effects caused by misoperation during sample injection or analysis;
At of the measurement, you can use cheap activated carbon adsorption tubes, etc.
Compared with domestic thermal desorption instruments (devices), the installation of desorption tubes is simple, and no dead volume operation is realized;
The automatic thermal desorption device is especially suitable for beginners who are unfamiliar with chromatographic analysis.
That automaticallye thermal desorption equipment needs maintenance after a period of use to ensure the normal operation of its subsequent work and prolong its service life.
Next, let's take a look together at how to maintain the automatic thermal desorption device.
1. Operators should complete appropriate training and read the relevant technical information of automatic thermal desorption equipment in detail.
2. The consumable parts of the automatic thermal desorption device should be replaced regularly.
3. Electrical equipment should be serviced regularly.
4. The original components, power supply, sensor, touch screen, etc. of the electrical control part should be well insulated, rat-proof and temperature-controlled.
Reduce the damage to vital parts caused by oxidation, aging, leakage, short circuit and open circuitbecome T.
5. The knife edges, scales and pointers of various measuring instruments should be protected from damage, kept clean and regularly calibrated by the measuring department.
6. The mechanical system has crashed, slipped, vibrated, caused by wear, rust, dust, oil, breakage, damage, falling into foreign objects, looseness or improper operation. The operation is not synchronous and the lead screw cannot be adjusted;
The sound temperature is abnormal, which can be verified by various means such as observation, hearing, measurement and touch.
7. If there is an electrical error, the device will not start, the indicator light will not light up and the display will not show anything
It can check whether the switch, fuse, filament and electrical components of the automatic thermal desorption instrument are leaking or not making good contact, and can the resistanceMeasure and replace voltage, current and voltage signals. Please contact the original device concerned for troubleshooting.
