One,Main performance characteristics:
1. Networking
Adopting 10/100M adaptive internet communication technology, it can form a local area network with high communication efficiency; Realized long-distance data transmission; One chromatograph can connect to three computers; One computer can simultaneously connect multiple chromatographs (up to 5000) and perform operational control.
2. Countercontrol
All instrument parameters can be set remotely through a computer and spectrogram processing can be performed.
3. Full EPC/EFC control
Adopting a brand new automatic flow/pressure control technology, the digital control of all gas circuit parameters (flow and pressure), the working mode is divided into three types: constant flow, constant pressure, and split flow. Can perform 4-stage program boosting, with a pressure accuracy of 0.01KPa and a flow rate of 0.01sccm.
4. Touch screen
The instrument adopts a large touch color screen, which displays intuitively and is easy to operate.
5. Fast temperature rise and fall speed
Equipped with a fast temperature rise and fall structure, capable of achieving a heating rate of 80 ºC/min; Realize work at room temperature environment; Under liquid nitrogen conditions, support a wide range of temperature control from -80 ºC to 450 ºC.
6. Automatic ignition, automatic detection and fire extinguishing
Adopting intelligent hydrogen and air automatic control technology, the electromagnetic valve automatically switches on and off the gas, thereby achieving true automatic ignition function.
7. Equipped with 8 external event functions and supporting multi valve switching, it realizes the application of multi-dimensional chromatography system.
8. The advanced gas path process can achieve the simultaneous use of FID and TCD, as well as the simultaneous use of dual thermal conductivity detectors.
9. Adopting the latest digital integrated circuit devices and technologies in the world, the instrument has high control accuracy (temperature control can reach 0.1 ºC), and its stable and reliable performance can be comparable to original imported instruments.
10. Advanced dual automatic rear door opening function, which can automatically adjust the opening and closing angle according to temperature changes.
11. Equipped with fault detection and self diagnosis functions;
12. Injection repeatability of 2%;
13. Conventional diversion ratio 150:1, special requirement 500:1;
14. Complete temperature overheating protection and platinum wire resistance open circuit and short circuit alarm function, ensuring that the temperature does not lose control;
15. Equipped with gas cut-off/leakage protection and Chinese prompt function, it can maximize the protection of TCD tungsten wire and chromatographic column from damage to the instrument;
16. It has a power-off protection function and can automatically memorize set parameters.
17. Equipped with anti power mutation interference function and stopwatch timing function
18. Equipped with over temperature protection function, automatically power-off and alarm when the temperature exceeds the set upper limit. Any temperature exceeding the set temperature will automatically stop heating; And there are Chinese prompts for the cause of the malfunction and alarm prompts.
19. Equipped with gas cut-off/leakage protection and Chinese prompt function, it can maximize the protection of TCD tungsten wire and chromatographic column from damage;
20. Heating rate: 0.1-39 ºC/min (ordinary type); 0.1~80 ºC/min (high-speed type);
21. Cooling time: It takes a total of 3 minutes to cool from 350 ºC to room temperature;
Two,Main technical indicators
1. Temperature control indicators
Temperature control area: 12 channels
Temperature control range: 4 ºC to 450 ºC above room temperature, increment: 1 ºC, accuracy: ± 0.1 ºC
Program heating order: 16 orders
Lift rate: 0.1-39 ºC/min (ordinary type); 0.1~80 ºC/min (high-speed type)
2. Pressure and flow control indicators
Pressure and flow measurement: pointer pressure gauge method, electronic pressure flow method
Full electronic gas pressure and flow measurement system: maximum measurement path for a single module: 16 paths
EPC and EFC working modes: 3 types; Constant current mode, constant voltage mode, and shunt mode
EPC and EFC working gases: 4 types; Nitrogen, hydrogen, air, helium
EPC and EFC process upgrades: 4th order
EPC and EFC control range: pressure: 0-0.6Kpa; Flow rate 0-100sccm or 0-500sccm (air);
EPC and EFC control accuracy: pressure of 0.01Kpa; Flow rate of 0.01sccm;
Pressure sensor:
Accuracy:<± 2% of full scale
Reproducibility:<± 0.05 KPa
Temperature coefficient:<± 0.01 KPa/° C
Range: 0-0.3KPa or 0-0.6KPa;
Flow sensors:
Accuracy:<± 5% of full scale
Reproducibility:<± 0.5% (full scale)
Range: 0-500sccm
threeTechnical specifications of the detector:
Three,Technical specifications of the detector:
| detector |
sensitivity |
noise |
drift |
linear |
characteristic |
| FID |
Mf≤2×10 -12 g/s(benzene) |
≤ 2 × 10-14A
|
≤ 1× 10-13A/30min |
≥107 |
Platinum ignition wire, corundum ceramic nozzle |
| TCD |
S≥12000mV.ml/mg(benzene) |
≤20μ V
|
≤ 100 μ V/30min |
≥104 |
Imported rhenium tungsten wire, constant current power supply |
| FPD |
Mp≤2×10-11g/sec(1605)
Ms≤5×10-11g/sec(thiophene) |
Rn ≤ 50UV; |
Rd ≤ 20UV/30min; |
|
Single flame design, suitable for residual analysis of sulfur and phosphorus |
| NPD |
Mf≤5×10-12g/s( azobenzene)
Mf≤5×10-12g/s(Malathion ) |
≤ 0.02mV |
≤ 0.15mV/h |
|
Imported rubidium beads, suitable for residual analysis of phosphorus |
| ECD |
≤ 2 × 10-14g/s( γ- 666) |
≤ 20 μ V |
≤ 100 μ V/30min |
≥104 |
Ni63 Radiation source; Applicable for residual analysis of electronegative substances |
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