GC-7860 Plus/B series Gas Chromatography
GC-7860 Plus GC-7860 B
Features:
- 5.7-inch dot-matrix LCD large liquid display, support Chinese and English switch.
2. Gas circuit manually and full electronic gas circuit (EPC/EFC) control is optional, networking communication (Ethernet interface IEEE802.3), computer online full control operation.
3. Electronic gas circuit (EPC/EFC) control mode
EPC electronic gas circuit control precision is 0.01mL/min or 0.01Kpa, which ensures better retention time reproducibility and more consistent and reliable results
EPC working mode: constant current, constant voltage, shunt mode
Program pressure control: 4 stage
EPC working gases: N2, H2, Air, He, Ar
EPC control range: pressure 0~ 0.6kpa flow 0~100sccm or 0~500sccm
EPC control accuracy: pressure 0.01Kpa; Flow rate of 0.01 sccm
4. Support high-speed heating, the maximum rate of 80 ºC / min; Suitable for rapid analysis
5. Could be up to 450 ºC, suitable for high boiling point the analysis of the sample
6. Support double oven and double rear door opening mode
7. Oven temperature increment 1 ºC, the accuracy of + / - 0.01 ºC, is close to high-grade imported similar products
8. External events: 6-way. auxiliary control 2-way.
9. Diversified injection system; Packed column injection, capillary S/SL injection, valve injection, automatic liquid injection, automatic headspace injection, splitting injection, thermal desorption injection, purge and capture injection are optional
10. Special customized valve system can help users complete complex multidimensional chromatographic analysis tasks. Plus series is a multi-purpose gas chromatography specially designed for multidimensional application analysis and online analysis.
11. Rich detector types, up to three detectors can be installed: TCD, HTCD, uTCD, FID, FPD, ECD, NPD, ZD, PDHID, PID, AID
12. The program supports multiple flow path sample selection MPV system, with automatic identification valve number, automatic cascade judgment, automatic reset, valve position selection, valve position analysis memory function, up to 32 support sample flow path selection
13. Unique network remote transmission and control functions, unattended analysis, decentralized monitoring, centralized control.
14. The data can be connected to DCS system to complete the statistics, analysis and monitoring of chromatographic component content and improve the automation level of production process control
15. Temperature control index:
A)Temperature control circuit number: 8
B) Oven temperature index
Oven temperature range: room temperature of 4 ºC ~ 450 ºC (increment 1 ºC)
Oven temperature control precision, better than ±0.01 ºC
Oven temperature programming Rising order: 16 order
Rising rate setting: 0.1 ~ 39 ºC / min (ordinary type); 0.1~80ºC/min (high-speed type)
Constant temperature time of each order: 0~999min (increment: 0.1min)
Programmed cooling: 260 ºC to 50 ºC only need 6 minutes
C) Sample injector, detector, thermal conductivity pool, methane reformer temperature index:
Range of temperature: Room temperature of 4 ºC ~ 450 ºC (increment 1 ºC)
The accuracy of temperature control: better than±0.01 ºC
Detector:
FID
The collecting pole adopts the original cylindrical structure and quartz nozzle
Limit of detection:<=3×10¯¹²g/s
Baseline Noise: 5×10¯¹A
Baseline Drift: <=1×10¯¹³A/30min
Linear: >=10
Autoignition
TCD
Adopt semi-diffused structure
Constant current control mode is adopted for power supply
Sensitivity: S>=3000mv.ml/mg
HTCD High sensitivity thermal conductivity detector S>=10000mv.ml/mg; Digital amplification 1, 2, 4, 8 times optional
Baseline Noise: <=10µv
Baseline Drift: <=30µv/30min
Linear: >=10
Carrier gas velocity stability: <=1%
Capillary column connecting parts are optional
ECD
Limit of detection:<=1×10¯¹g/s
Linear range: 10
Source: Ni³
FPD
Limit of detection: 5ׯ¹²g/s(S) (S in methyl parathion)
5×10¯¹³g/s (P) (P in methyl parathion)
Linear range: 10(P) 10³(S)
Maximum service temperature: 350ºC
Detection Method: Air-hydrogen flame spectrometry
Optical detector: Top photomultiplier
Multiplier voltage: Max--700V
NPD
Limit of detection: (N)<=5×10¯¹²g/s
(P)<=5×10¯¹²g/s
7860NetChrom network-based anti-control workstation N903
Features:
1. Communication:
A. Networked communication, IEEE802.3 Ethernet interface;
B. The workstation also supports RS232 communication interface;
2. The organic combination of chromatographic data processing and instrument reverse control operation makes the operation convenient and the interface friendly;
3. The workstation software can set and control the temperature of the heating area, the name of the heating area, user-defined enabling switch, gas flow and pressure, program boost control, program temperature rise and external events, automatic sampler, multi-flow sample selection control, detector and other parameters;
4. The workstation supports multi-channel data processing of multiple chromatograph devices. The maximum design supports connection of 5000 chromatograph devices.
5. The workstation software has integrated time program setting, base-line locking, negative peak identification and negative peak reversal and other practical functions;
6. Data analysis results can be converted into WORD format for printing, output and copy;
7. Automatically generate the folder named after the chromatograph, automatically generate the time for users to manage multiple chromatograph at the same time;
8. The NetChrom network anti-control workstation CAN transmit the analysis results to the place needed by users remotely through various transmission methods (Internet, CAN bus, MODBUS bus, GPRS communication, 3G communication, wireless private network, etc.).
9. Data analysis can be easily uploaded to DCS system and output 4mA~20mA, which is convenient for industrialized online closed-loop control;Connect with Agilent, Waters and other chromatographic workstations;
10. Multi-thread technology is adopted to realize signal collection, data processing and user management working together at the same time;
11. The unique software architecture realizes the rich configuration of multiple monitoring seats in a system, and a single chromatograph supports the simultaneous access of three IP addresses;
12. Equipped with the analysis results to extend the communication interface and support the user's secondary development and function extension;
13. The unique spectrum peak can only be identified, which minimizes the processing parameters of the spectrum that need to be set by the user, and basically realizes the automatic processing of peak determination, baseline correction and overlapping peak segmentation;
14. The sample data can be read into the CDF file conforming to A/A standard, which can be connected with Agilent, Waters and other chromatographic workstations;
15. The unique high-fidelity digital filtering algorithm is adopted, which has strong anti-noise interference ability and can detect weak and small peaks at the same level as the baseline noise;
16. Data processing includes: normalization method, calibration normalization method, single-point calibration method (single-point internal standard method, single-point external standard method), multi-point calibration method (multi-point internal standard method, multi-point external standard method);
17. Provide GMP version, power dedicated, non-methane total hydrocarbon, TVOC, gasoline analysis, PONA and other dedicated software;
18. The GMP certification workstation has the functions of authority management, log management and result traceability, etc.;
19. The NetChrom online workstation can also be equipped with a "component content monitoring system" to complete the statistics, analysis and monitoring of chromatographic component content, which can be used in the production of chemical products (such as reaction, fractional flow, rectification, etc.). Carry out data statistics of each component of the sample, content change trend, threshold detection, threshold alarm, so that the component content change trend is clear at a glance.The data on the same day or on duty are automatically archived without manual analysis of the atlas, manual sorting of the atlas, and manual judgment of the results, which improves the automation level of the factory.
Technical Parameters:
Input voltage range: -2.5v ~ 2.5v
Integral sensitivity: 0.05 V·s
Minimum resolution: 1 V
Dynamic range: 10-7
Alignment: 0.005%
Repeatability: 0.005%
Sampling cycle: 10, 20, 30, 40, 50 times/second adjustable
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