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GC112N

Gas Chromatograph

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.

 

Oven

● 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

 

Detector

● 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

● Supply voltage: AC220V±22V, 50Hz±0.5Hz

● Power: 3000W

 

Optional

● Thermal conductivity detector (TCD) :

Sensitivity: 5000mV•mL/mg (n-cetane)

Baseline noise: ≤ 0.05 mV

Baseline drift: ≤ 0.15mV / 30min

Dynamic range: 105

● Packed column

● Capillary column