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GC112N Gas Chromatograph

Gas chromatograph is one of widely used analytical instruments. It has become an ideal analytical instrument for separation or analysis in various fields.

Technical Features:

● Standard PC control software, built-in chromatographic workstation, achieve PC side reverse control and touch screen synchronous bidirectional control.
● 7-inch color touch screen, carrier/hydrogen/air channel flow (pressure) digital display.
● Gas shortage alarm protection function; Heating control protection function (when opening the door of the column box, the motor of the column box fan and the heating system will shut down automatically).
● Split flow/split ratio can be automatically controlled to save carrier gas.
● Configure automatic sampler installation and positioning interface to match automatic sampler of various specifications.
● The multi-core, 32-bit embedded hardware system ensures the reliable operation of the instrument.
● One-button start function, with 20 groups of sample test mode memory function.
● Using logarithmic amplifier, detection signal no cut-off value, good peak shape, extensible synchronous external trigger function, can be started by external signals (automatic sampler, thermal analyzer, etc.) at the same time the host and workstation.
● It has perfect system self-check function and fault automatic identification function.
● With 8 external event extension function interface, can be selected with various function control valves, and according to their own set time sequence work.
● RS232 communication port and LAM network port, and the configuration of data acquisition card.


● Content product: 22L
● Temperature control range: 5℃ ~ 400℃ at room temperature
● Temperature control accuracy: ±0.1℃
● Heating rate: 0.1 ~ 60℃ / min
● Program temperature rise order: 9
● Program heating repeatability: ≤ 2%
● Cooling way: open the door after

● Cooling speed: ≤10 mins (250℃ ~ 50℃)

Control Software Function:

● Column temperature box control
● Detector control
● Injector control
● Map display

Sampler Injector:

● Temperature control range: 7℃ ~ 420℃ at room temperature
● Temperature control method: independent temperature control
● Carrier gas flow control mode: constant pressure
● Number of simultaneous installations: 3 at most
● Type of injection unit: filling column, shunt
● Split ratio: split ratio display
● Cylinder pressure range: 0 ~ 400kPa
● Cylinder pressure control accuracy: 0.1kPa
● Flow setting range: H2 0 ~ 200ml / min    N2 0 ~ 150ml / min


● FID, TCD optional
● Temperature control: Max. 420℃
● Number of simultaneous installations: 2 at most
● Ignition function: automatic
● Hydrogen flame ionization detector (FID)
Detection limit: ≤ 3×10-12 g/s (n-hexadecane)
Baseline noise: ≤ 5× 10-14A
Baseline drift: ≤ 6× 10-13A
Dynamic range: 107
RSD: 3% or less
● Thermal conductivity detector (TCD) :
Sensitivity: 5000mV?mL/mg (n-cetane)
Baseline noise: ≤ 0.05 mV
Baseline drift: ≤ 0.15mV / 30min
Dynamic range: 105
● Supply voltage: AC220V±22V, 50Hz±0.5Hz
● Power: 3000W


● N2000 chromatography workstation

● Packed column

● Capillary column


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