Gas chromatograph GC-7890Plus

The GC-7890PLUS gas chromatograph is fully EPC and AFC electronically controlled, achieving digitalization and automation of gas flow rate, with high EPC control accuracy. This gas chromatograph is equipped with a 7-inch color touch screen, fully automatic ignition function, six channel temperature control, and nine step programmed temperature rise. External automatic sampler, thermal analyzer, headspace sampler, etc. are available.

1. Instrument configuration includes electronic flow control (EFC), electronic pressure control (AFC), fully realizing the digitization and automation of gas flow, and EPC control accuracy

2. It has four control modes: constant current, constant voltage, split current, and no split current

3. The instrument is equipped with a 7-inch color touch screen Simple and clear operation

4. The instrument has a built-in A/D conversion circuit Realize reverse control and data processing of instruments on computers

5. Complete self diagnostic function, able to display fault types on the screen for easy operation and maintenance

6. The instrument can be equipped with five types of detectors, with gas cut-off protection and self memory function

7. Six way temperature control, nine step programmed heating, automatic ignition, and automatic flame monitoring function

8. Intelligent rear door control system ensures smooth opening and tight closing

9. Interface switching between Chinese and English:

10. Can be conveniently connected to external instruments such as automatic sampler, thermal analyzer, headspace sampler, etc

11. Dimensions: Length 580 x Width 560 x Height 490 (mm)

Column box dimensions: length 285 x width 270 x height 270 (rmm)

Instrument weight: 48kg

technical indicators

Column room

Temperature control range: room temperature+5-399 ℃ Temperature control accuracy: ± 0.1 ℃

Temperature accuracy: set value ± 2%, lift order: 9 orders

Heating rate: 0.1-60 ℃/min in increments of 0.1 ℃/min

Cooling rate: The column chamber drops from 250 ℃ to 50 ℃ for about 6 minutes

Other temperature control objects

Temperature control range: room temperature+6-399 ℃

Temperature control accuracy: ± 0.1 ℃

EPC/AFC pneumatic system

Control mode: diversion, no diversion, constant pressure, constant current

Control range of total flow rate of carrier gas: 0-200ml/min

Split ratio setting range: 0-500

Capillary column flow rate setting range: 0.1-9.9ml/min

Pressure control range: 0-0.6MPa

Pressure control accuracy: ± 0.1kpa