1.1 Adopts Ethernet communication interface, which can realize remote control and data acquisition through internal LAN and Internet. The network workstation equipped with the instrument can support the work of multiple chromatographs at the same time. And the instrument manufacturers can connect to the field instrument through the Internet to realize remote diagnosis.
1.2 It can be equipped with high-precision electronic pressure/flow display and control system (EPC), which can realize full reverse control of the chromatograph while providing analysis accuracy.
1.3 With a simple, easy to operate human-computer interface, large screen, high resolution LCD screen can make the operation more simple and intuitive.
1.4 Can be installed up to 3 detectors, FID, TCD, ECD, FPD and NPD, ZD, PDHID a total of seven detectors can be optional.
1.5 With 8 channels of external event independent control function.
1.6 The new microcomputer temperature control system has high temperature control precision, superior reliability and anti-interference performance; With eight completely independent temperature control system, can achieve sixteen order temperature program, so that the equipment can be qualified for a wider range of sample analysis; With automatic rear door opening system, the low temperature control precision is improved, and the speed of lifting/cooling is faster.
1.7 The instrument is designed with a timer and self-starting procedure, which can easily complete the online analysis of gas samples and equipped with online automatic sample injection components.
1.8 Microcomputer controlled keyboard operating system, simple and convenient operation; The automatic identification technology of detector is designed. It has the function of fault diagnosis and data protection, and can set parameters automatically by memory.
1.9 The chromatograph has a built-in 24-bit AD circuit with low noise and high resolution, and has the functions of baseline storage and baseline deduction.
1.10 LCD display operating parameters, flow signal and detection signal.mmunication technology, which can be controlled by microcomputer remotely.
2. Technical Parameters
2.1 column box
Temperature control: above room temperature 8℃ ~ 450℃, accuracy: ±0.01℃.
Programed temperature rise: 16 order, the rate of rise can reach 0.1 ~ 50℃/min (increment: 1℃).
Cooling rate: It takes less than 4 minutes to reduce from 250℃ to 50℃.
Large capacity column design, can be installed at the same time multiple columns.
2.2 sampler
Packed column or capillary column injection system is optional.
Can be equipped with online automatic injection equipment, and can be compatible with many domestic and foreign manufacturers of automatic injectors.
Gas valve injection system and liquid valve injection system can be installed.
2.3 detector
2.3.1 Hydrogen flame ionization detector (FID)
Detection limit: MT ≤3×10-12g/s (n-cetane);
Noise: 5 x 10-14 a or less
Drift: 10 to 13 a / 1 x or less 30 min
Linear range: ≥106
Maximum operating temperature: ≤450℃
Others: Automatic ignition after reaching the ready state, without any manual operation.
2.3.2 Thermal Conductivity Detector (TCD)
Sensitivity: S≥4000mV* mL /mg (n-cetane, signal not amplified)
Noise: 10 mu V or less
Baseline drift: ≤ 30μV /30min
Other: with overheating protection and gas protection function, to ensure a long time of stable work; With signal amplification function (1, 2, 4, 8 times), the sensitivity after amplification can reach 10000 mV*ml/mg.
2.3.3 Flame photometric detector (FPD)
Detection limit :(P)≤5×10-13g/s; (S) or less 8 x 10 to 12 g/S
Linear range: 105 (P); 103 (S)
Other: after the optimization of the structure and the optimization of key components, the maximum degree of fire extinguishing probability and quenching degree, the detection sensitivity of hydrogen sulfide (H2S) can reach 0.01ppm.
2.3.4 Electron capture detector (ECD)
Detection limit: ≤1×10-14g/s
Linear range: 104
Radiation source: 63Ni
2.3.5 Photoionization Detector (PID)
Detection limit: ≤1×10-14g/s
Linear range: 104
2.3.6 ZD Detector (ZD)
ZD: at room temperature 15℃ ~ 800℃ (increment 1℃)
ZD noise: ≤0.02mV
ZD baseline drift: ≤0.2mV
ZD sensitivity: ≥ 100000mV. ML /mg
2.3.7 Pulse discharge helium ionization detector (PDHID)
Form: Valco Helium Ionization Detector
Minimum detection limit: 10ppb methanometer
Linear range: > 106
Temperature range: Ambient temperature ~ 300℃
Sample size: 0.25 ~ 5mL
Detector repeatability: ±3%