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LC-4000 Isometric Analysis Liquid Chromatography
Description: LC-4000 infusion pump - high precision, high stability, and high efficiency. The experience and technology gained from the widespread use
Product details
Performance characteristics
The static motor control circuit designed using independent technology achieves automatic feedback and tracking of motor control signals, effectively improving motor control accuracy and ensuring the reliability and stability of the pump
Pump form: Double plunger reciprocating series or parallel
Floating self correcting sealing ring technology and pump head self-cleaning function technology can extend the service life of the sealing ring, ensuring the durability and high efficiency of the instrument (online plunger sealing cleaning (optional accessories))
Convenient and easy-to-use flow and pressure calibration functions ensure high precision and stability of the instrument
Using two gradient running program designs: linear gradient and step gradient are optional;
Programmable solvents and compression factors that can automatically compensate
Complete pre cleaning function for quick solvent replacement
Technical specifications of LC-4000 analytical pump
| Flow range | 0.001-10ml/min (set step size 0.001mL/min) |
| Traffic accuracy | ± 1% or 2uL/min (0.001-10mL/min) |
| Working pressure | 42.0MPa with adjustable upper and lower limits, automatic alarm |
| Traffic accuracy | ± 1% or 2uL/min (0.001-10mL/min) |
| Flow precision | 0.3% |
| gradient | 2 yuan or 3 yuan |
| Gradient method | The gradient elution internal software can be self controlled and controlled through a PC and pump |
| power supply | AC 110V/220V，50Hz/60Hz |
| External dimensions | 400mm×300mm×180mm |
UV4000 UV detectorbrief introduction
Main features:
Adopting holographic dual grating technology for convenient and efficient time wavelength programming
Applying high-precision photodiode design to expand linear range
Convenient, fast and unique self correction function for light intensity gain coefficient
Unique holmium glass cell design, full wavelength spectral scanning, convenient and accurate wavelength correction
Universal sample cell design, easy to replace between trace and constant cells
Deuterium lamp replacement is simple, fast, and can be used without calibration
Main performance indicators:
| detector | |
| Lighting | Deuterium lamp/tungsten lamp |
| Optical path design | Monochromator with dual channel silicon photodiode detector |
| linear range | 2.8AU(5%) |
| wavelength range | 190-700nm increments of 1nm |
| Wavelength Repeatability | ±0.2nm |
| wavelength accuracy | ±1nm |
| band width | <6nm |
| Absorption range | 0.0005AU/mV-4AU/mV |
| Data system output | 4AU/V injection signal control, automatic zeroing, supports dual output of integrator and recorder |
| baseline noise | ≤± 0.5 × 10-5AU (empty cell, 254nm, 1.0s) |
| baseline drift | ≤ 2 × 10-4 AU (empty cell, 254nm, stable for 60 minutes) |
| minimum detectable concentration | 2 × 10-9 g/mL (methanol solution of naphthalene) |
| Sample Cell | Analysis cell (10mm optical path, 10.0ul volume) |
| power supply | AC 110V/220V，50Hz/60Hz |
| size |
400mm×300mm×180mm |
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