LC-500A (Dual pump) Liquid Chromatograph Machine
Performance characteristics
LC-500 high performance liquid chromatography adopts the static motor control circuit designed by independent technology to realize the automatic feedback and tracking function of motor control signals, effectively improve the motor control precision, and ensure the reliability and stability of the pump
Pump form: series or parallel double plunger
Floating self-correcting sealing ring technology and pump head self-cleaning function technology, can extend the service life of the sealing ring, to ensure that the instrument durable and high efficiency
Easy to use flow and pressure correction features ensure high accuracy and stability of the instrument
Using two kinds of gradient running program design: linear gradient and step gradient optional;
Programmed solvent class and compression factor can be automatically compensated
Complete pre – cleaning function for quick solvent replacement
Holographic double grating technology is adopted
Application of high precision photodiode design, linear range extension
Convenient and unique light intensity gain coefficient self-correction function
Holmium glass tank design, full wavelength scanning, convenient and accurate wavelength correction
Universal sample pool design, easy to change between micro and constant pool
Deuterium lamp can be replaced easily and quickly without correction
Technical parameters
infusion pump flow range 0.001-10ml/min degree of accuracy ±1％ degree of precision 0.25％ pressure limit 0－42MPa gradient Elements 2 Collector’s Edition Gradient mode
Gradient elution internal software can be self-controlled, and can be controlled by PC and pump
power supply 100 to 240 VAC, 50 to 60Hz, 80watts size 40CM（L）×30CM（W）×18CM（H） weight 8.0kg detector lamp source Deuterium lamp/tungsten lamp optical path design Monochromator with a dual silicon photodiode detector wavelength coverage 190-700nm steady growth 1nm，Can be set by keyboard or RS232/485/USB
bandwidth <6m wavelength accuracy ±1nm wavelength repeatability 0.2nm Absorption range 0.0005AU/mV-4AU/mV Data system output 4AU/V Sampling signal control, automatic zeroing, support integrator and recorder dual output noise ±0.5×10-5AU drifting 2×10-4AU（P-P） sample cell Standard Conical Pool (10mm optical path, 4.5ul volume)，Semi-preparation (5mm optical path,3.5ul volume) power supply 100 to 240 VAC, 50 to 60Hz, 80watts size 40CM（L）×30CM（W）×18CM（H） weight 8.0kg
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