circuit design

Adopting ARM embedded design and internal CAN mode, the temperature control adopts a high-frequency feedback mechanism of 1700 times per second, resulting in higher control accuracy

monitor

7-inch color touch screen display, switching between Chinese and English, intelligent human-machine dialogue

injection port

Can be equipped with 3 injectors (filled injection port, split/non split capillary injection port)

detector

Optional 4 detectors (FID, TCD, FPD, ECD, NPD, PID), etc

Auxiliary sampling device

Optional injection valve, headspace sampler, thermal analysis sampler, automatic sampler, etc

Chromatography software

Tetchrom ® The fully reverse control network chromatography workstation can automatically obtain the IP and MAC addresses of the chromatograph, and can achieve network self diagnosis. The instrument can be connected to the network to achieve remote software updates, firmware "one click updates" and other functions

Connection method

Network port connection, can also choose analog output ports such as 485, and can achieve fast communication and connection of DCS online instruments through the MUDBAS (TCP/IP) protocol

Intelligent

Equipped with automatic access to method files upon startup, self checking. When the chromatograph reaches the startup conditions, it automatically completes heating, ignition, preparation, automatic valve switching, sampling, post-processing, and uploads data results to the designated DCS, making it easy to meet project requirements for online monitoring

Method storage and method sequence

The instrument has a large capacity storage card of 8GB inside, which can store a large number of chromatographic methods; The method sequence can be freely edited to determine different projects or to implement actions such as automatic shutdown after testing, reducing the need for manual and ineffective waiting

power-off protection

The instrument adopts a power-off protection function, which automatically saves the set data at the moment of power failure, and can automatically heat up and ignite the instrument when it is powered on

automation

Supporting 8 external events, each event independently completes the required parameter settings and execution

Quick function

The instrument has quick testing functions such as one key preparation, one key cooling, one key operation, and one key ignition, greatly saving customers' ineffective waiting time

expand

Zui has an additional 4-channel input/output design, making it easy to start the chromatograph through external devices or external events. Output modes: IO passive contacts or 24V output

oven temperature

5 ℃ to 450 ℃ above room temperature (up to -50 ℃ when using liquid CO2 and -99 ℃ when using liquid nitrogen)

TPD

32 levels and 31 platforms

The maximum heating rate

250℃ / min

Temperature setting accuracy

0.1℃

precision

0.01℃

Temperature Stability

For every 1 ℃ change in ambient temperature, the temperature change in the column temperature chamber is less than 0.01 ℃

Cooling rate

Reduce from 350 to 50 ℃ ≤ 8 minutes (room temperature 25 ℃)

over temperature protection

When the temperature inside the column temperature box is too high, activate the automatic protection function

Maximum running time

9999.99 minutes

Single/double filled column

injection port

Usage: Used for injection of 3mm/4mm outer diameter stainless steel/PTFE/glass chromatography columns, and can also be used for injection of large-diameter capillary columns, mostly used for determination of constant components

Number of program segments: 7 segments

Pressure setting range: 0~150psi

Flow setting range: 0~200ml/min (when using N2 as the carrier gas), 0~1250ml/min (when using H2, He as the carrier gas)

Program ratio setting range: -400~400 mL/min

Correction function: Maintain the column flow rate during the temperature rise of the column temperature box

split/splitless

Capillary column injection port

Purpose: Used for injection into capillary chromatography columns, often used for trace impurity determination

Features: Equipped with a fully automatic electronic flow control system AFC, with room temperature compensation and automatic environmental compensation functions, supporting constant current, constant pressure, program increase flow rate, program boost and pressure pulse operation modes, as well as unique constant linear velocity control function

Standard equipped with carrier gas saving mode, effectively reducing carrier gas consumption

Pressure setting range: 0~1035 kPa (equivalent to 0-150 psi)

Range of boost rate setting: -400~400 KPa/min

Pressure program: 7th order

Split ratio setting range: 0~9999.9

Flow setting range: 0~1250mL/min

Correction function: It can maintain the column average velocity during the temperature rise of the column temperature box (only applicable to capillary columns)

direct

Pressure mode

Pressure setting range: 0~1035kPa (equivalent to 0-150 psi)

The order of the pressure program: 7th order

Program ratio setting range: -400~400 KPa/min

direct

Traffic method

Flow setting range: 0~1250 mL/min

Number of program segments: 7 segments

Program ratio setting range: -400~400 mL/min

Correction function: It can maintain the column average velocity during the temperature rise of the column temperature box (only applicable to capillary columns)

Injection valve

High temperature tracing valve box: It can control up to 4 channels of multi way valves and can reach up to 225 degrees Celsius

Hydrogen flame ionization

detector

（FID）

Maximum operating temperature: 420 ℃

Method: Dual channel method

Automatic ignition function: using military grade igniters, the ignition wire adopts a non exposed design, and the service life is 100 times that of conventional ignition wires, with a 10-year warranty

Detection limit: 3.0 × 10^-12G/s (n-hexadecane)

Baseline noise: ≤ 2 × 10^-14A

Baseline drift: ≤ 1 × 10^-13A/30 min (after the instrument stabilizes for 2 hours)

Dynamic range: 10⁷

thermal conductivity detector

（TCD）

Maximum operating temperature: 300 ℃

Method: Dual arm microporous hot wire design

Sensitivity: S value ≥ 12000mv.ml/mg (benzene)

Baseline noise: ≤ 10UV

Baseline drift: ≤ 50UV/30min

Dynamic range: 10⁵

Electron capture

detector

（ECD）

Maximum operating temperature: 400 ° C

Method: Use Ni63 source constant current method

Zui small detection limit: ≤ 1.0 × 10^-13g/s（r-666）

Baseline noise: ≤ 40UV

Baseline drift ≤ 100UV/30min

Dynamic range: 10⁴

Flame luminosity

detector

（FPD）

Maximum operating temperature: 350 ° C

Zui small detection limit: ≤ 1.4 × 10^-12g/s(P) ，≤5×10^-11g/s(S)；

Baseline noise: ≤ 20UV

Baseline drift ≤ 50UV/30min

Linear dynamic range: ≥ 10³S，≥10⁴P；

data acquisition

A self-developed anti control network chromatography workstation that enables simultaneous acquisition and control of three channel data (software copyright certificate provided)

Rights Management

Can achieve three-level permission management for operation and maintenance personnel, instrument users, and equipment administrators

data transmission

By using Ethernet communication, the data throughput is faster and the bidirectional handshake frequency is higher. The chromatography system with completely independent intellectual property rights has a standard interface of MODBUS/TCP, which can be easily integrated with DCS

sensitivity

1uV*s， Dynamic range: 220

Network Communications

Support wireless network communication connection

Unmanned function

Support various functions required for automated online monitoring, such as automatic startup, automatic temperature rise, automatic ignition, automatic bridge current opening, automatic sample collection, automatic data processing, and automatic generation of data trend charts

automatic calibration

For customized projects, automatic zeroing, calibration, calibration and other functions can be achieved, as well as scheduled calibration

system safety

Fully supports FDA-21CFR Part 11 authentication (electronic signature, resume, user password), System Applicability Testing (SST), and System Authentication Tools (IQ/OQ)

Batch processing function

The batch processing function enables the control of the instrument, automatic sampler sequence acquisition, automatic integration correction, and output report to be completed in one go, simplifying daily tedious analysis

data comparison

Powerful post-processing functions, including spectrum comparison, recalibration, and data input and output, are all available. "Special Attention Online" can obtain analysis results online without waiting for the end of data collection