- Description
- Inquiry
Description
Product details
The GC-2987-Y PLUS Plus gas chromatograph (touch color screen) uses advanced reverse-controlled EPC electronic gas path control and high precision temperature control, combined with optimized column temperature chamber and sampler, to provide an excellent performance chromatographic separation system.
GC-2987-Y PLUS full reverse control EPC automatic gas chromatograph, using imported (1280X800) color touch screen setting and display, friendly interface, simple operation. All by microcomputer control and management, high reliability design, reflecting excellent quality performance, greatly improve the efficiency of analysis.
New EPC electronic gas path control, high-precision valve control electronic pressure display, high-precision valve control meter display (1 of 3)
- GC-2987-Y PLUSintegrated EPC module for accurate and stable flow and pressure control, digital control of the injector and detector gas path parameters, to ensure the consistency and reproducibility of analysis results.
● According to different needs of customers, 1-5 EPC modules can be installed at the same time to achieve EPC control of 3-15 channels.
● Carrier gas flow accuracy ±5%, flow repeatability ±0.35%, flow range 200ml/min. And there are standardized atmospheric pressure and temperature compensation, program pressure and flow program functions.
● The new EPC electronic gas path control technology provides a guarantee for excellent retention time repeatability accuracy.
● High precision valve control adjustment, chromatography host display and computer counter-control software real-time electronic digital pressure display, to ensure the accuracy of regulation, to achieve the repeatability of the instrument.
Parameter
| Item | EPC of three-way sampler | Dual carrier gas EPC | ||
| Model | GC-2987-Y PLUS | GC-2988-Y PLUS | ||
| 1 | Flow control range | SCCM | Shunt ratio: maximum 5000:1
Carrier gas :0-150psi, resolution :0.01 psi Shunt :0-200SCCM(optional), resolution :0.01 SCCM Spacer purge :0-100SCCM(optional), resolution :0.01SCCM |
Air: Gas type :Air; Flow range:0-100SCCM; Resolution :0.01 SCCM
Hydrogen: Gas type :H2; Flow range:0-100SCCM; Resolution :0.01SCCM Helium: Gas type :He; Flow range:0-100SCCM; Resolution :0.01 SCCM Argon: Gas type :Ar; Flow range:0-100SCCM; Resolution :0.01 SCCM Nitrogen: Gas type :N2; Flow range:0-100SCCM; Resolution :0.01 SCCM (The maximum flow rate of various gases is 1000SCCM, which can be selected according to needs) |
| 2 | Flow setting signal | VDC | 485 | 485 |
| 3 | Flow output signal | VDC | 485 | 485 |
| 4 | Flow accuracy
|
%Span | 0.1 Psi/0.1 SCCM | 0.1 SCCM |
| 5 | Pressure control range | Kpa | 0-150Psi | – |
| 6 | Pressure control signal | VDC | 485 | 485 |
| 7 | Pressure output signal | VDC | 485 | 485 |
| 8 | Pressure control accuracy | %Span | Sensitivity :0.01SCCM | – |
| 9 | power supply | VDC | DC24V | |
| 10 | object | N2、H2、He | N2、H2、He、Ar | |
Various high performance injection ports
- The GC-2987-Y PLUSoffers a variety of injector options, including shunt/non-shunt capillary injector and filled column injector, to optimize chromatographic separation.
● Can install two shunt/non-shunt inlet, or one shunt/non-shunt inlet and one bulk inlet, or one capillary inlet and one filling column inlet, all under EPC control.
● Shunt/non-shunt inlet, with smaller dead volume and higher repeatability, can choose up to more than 10 kinds of international general glass lined pipe.
● Optional different number of automatic liquid injector, headspace automatic injector, thermal desorption instrument, simple and easy to operate, and high stability.
High efficiency column box with precise temperature control and excellent temperature performance
- GC-2987-Y PLUSchromatograph chamber temperature performance reaches the international advanced level. With high precision temperature control system, it can meet the fast and accurate constant temperature and programmed temperature control.
● The large-capacity column box is equipped with a capillary column. In special cases, two capillary columns, or two filled columns and one capillary column can be installed at the same time.
● Temperature control dynamic range from ambient temperature +4℃ to 450℃, temperature stability up to ±0.02℃. Support 20 order column box temperature gradient, through software Settings can also be arbitrarily increased.
● Eight way temperature control, any way over temperature automatically cut off the power to stop heating and alarm
Adaptable to a wide range of GC workstation software (built-in host)
● High-performance, self-developed GC software, can achieve GC-2987-Y PLUS two-way control and data processing, more friendly and simple operation.
● All-Chinese workstation software, using task and method models, provides a flexible combination to suit a variety of workflows and applications.
Optional high sensitivity series amplifier
- All amplification controllers of GC-2987-Y PLUSuse counter-control data, and all parameters are set and modified by computer to truly achieve full counter-control.
●FID amplifier adopts international common logarithmic amplifier to improve FID sensitivity and reproducibility.
●TCD constant current control board, using constant current control mode, the maximum current is 220mA, greatly improving the sensitivity and stability.
High sensitivity detector series
● All GC-2987-Y PLUS detectors use EPC control, FID automatic ignition, fire extinguishing prompt, fire extinguishing automatic key functions, including air: 0-800ml/min, hydrogen: 0-100ml/min, tail blowing: 0-100ml/min. At the same time, the advanced detector control circuit can realize the digital data output of the full range.
●GC-2987-Y PLUS not only optional five kinds of detectors, such as FID, TCD, FPD, ECD, NPD and other detectors, but also can connect the mass spectrum detector. Suitable for all types of sample analysis and detection needs.
● Reserved MS connection interface, can be upgraded to GTC-MS system.
The main technical indicators of the instrument
Temperature control
Temperature control range: 4℃~450℃ at room temperature (increment 1℃)
Temperature control object: column box, detector, sampler, auxiliary, a total of 8
Number of steps up: 20 steps
Lift rate: 0.1℃~80℃/min (0.1℃ increment)
Constant temperature time: 0~9999.9min (increment 1min)
Hydrogen Flame Ionization Detector (FID)
Sensitivity: M≤2×10-11g/s Sample: n-cetane
Best test result: M≤2×10-12g/s Sample: n-cetane
Drift: ≤1×10-11 A/30min
Noise: ≤2×10-12 A/30min
Thermal conductivity Cell Detector (TCD)
Sensitivity: ≥3000mV·mL/mg Sample: toluene. benzene
Best test result: ≥10000mV·mL/mg Sample: toluene. benzene
Noise: ≤50µV
Electron Capture Detector (ECD)
Detection limit: ≤1×10-14g/s sample gamma-666
Baseline noise: ≤50µV Linear range: ≥103
Drift: ≤80µV/30min High operating temperature: 380℃
Flame Photometric Detector (FPD)
Detection limit: ≤5×10-13g/s (P) Sample: methyl parathion
Baseline noise ≤4× 10-13A
Baseline drift ≤2 x 10-11 A /30min
