How much does an electronic flow control gas chromatograph cost

GC-7890 gas chromatographCharacteristics:

★ The technology 100M/Gigabit Ethernet communication interface is adopted, and the built-in IP protocol stack enables the instrument to realize long-distance data transmission through the enterprise's internal LAN and the Internet; Facilitating laboratory setup, simplifying laboratory configuration, and facilitating data analysis management;

★ The instrument is designed with three independent IP addresses that can be connected to work computers (laboratory sites), branch computers (such as quality inspection departments, production departments, etc.), and executive computers. When needed, the instrument can be monitored in real time for operation and data analysis results;

The workstation equipped with the instrument can simultaneously support the access of multiple chromatographs, enabling data processing and instrument reverse control, simplifying document management;

★ The instrument can be connected to the manufacturer through the Internet to realize remote diagnosis, remote update, etc. (user setting is required);

The instrument is equipped with a color LCD screen that supports hot swapping and can be used as a handheld controller;

The instrument adopts a multi processor parallel working mode, making it more stable and reliable; Multiple high-performance detectors can be selected, such as FID, TCD, ECD, FPD, and NPD. Z Duo can install three detectors simultaneously to meet the analysis needs of complex samples.

The instrument adopts a modular structural design, which makes maintenance simple and convenient in the later stage.

★ Microcomputer temperature control system, high temperature control accuracy, reliability and anti-interference performance *; Equipped with eight independent temperature control outputs, capable of achieving twenty step programmed heating, featuring an automatic rear door opening system for column boxes, and improved near room temperature control capabilities, resulting in faster heating/cooling speeds;

The electronic flow control unit (EFC) and electronic pressure control unit (EPC) configured in the instrument have achieved digital control of the gas path, greatly improving the stability of the instrument and the reproducibility of analysis results;

The chromatography machine is equipped with a low-noise, high-resolution 24 bit AD circuit and has the functions of baseline storage and baseline subtraction.

The standard workstation is suitable for operating systems such as WinXP, Win2000, Win7, Win8, Win10, etc.

GC-7890 gas chromatographMain technical indicators:

Temperature controlled area: 8 channels

Temperature control range: 4 ℃ to 450 ℃ above room temperature, increment: 1 ℃, accuracy: ± 0.1 ℃

● Program heating order: 20 orders

● Lift rate: 0.1-60 ℃/min

● Gas path control: fully electronic pressure and flow control

Range: 0-100psi (pressure); 0-1000mL/min (flow rate)

Resolution: 0.01Psi (pressure); 0.01 mL/min (flow rate)

External events: 8 channels; Auxiliary control output 2 channels

Type of injector: packed column injection, capillary injection, six way valve gas injection, automatic injector

Number of detectors: 3; FID, TCD, ECD, FPD, and NPD are optional

● Start injection: manual or automatic options are available

● Communication interface: Ethernet: IEEE802.3

Technical specifications of detector

Hydrogen flame ionization detector (FID)

Detection limit: ≤ 1Pg

Baseline noise: ≤ 1PA

Baseline drift: ≤ 1PA/30min

● Linear range: ≥ 106

Thermal conductivity detector (TCD)

Sensitivity: S ≥ 6000mV • ml/mg (n-hexadecane)

Baseline noise: ≤ 20 μ V

Baseline drift: ≤ 30 μ V/30min

● Linear range: ≥ 10⁴

Electron Capture Detector (ECD)

Detection limit: ≤ 1 × 10^-13g/ml

Baseline noise: ≤ 0.03mV

Baseline drift: ≤ 0.2mV/30min

● Linear range: 10³

● Radioactive source: 63Ni

Flame photometric detector (FPD)

Detection limit: (S) ≤ 5 × 10^-11g/s 、

(P)≤1×10^-12g/s；

Baseline noise: ≤ 3 × 10^-13A

Baseline drift: ≤ 2 × 10^-12A/30min

● Linear range: For sulfur ≥ 10²Phosphorus ≥ 10³