Varsal Inc. - LC-2008

Overview
The Varsal LC-2008 High Pressure Liquid Chromatography system consists of a dual-pump system with a variable wavelength detector. It’s exterior is simple, but it’s functions are easily controlled for convenience, intuitive ease of use, utility and high performance. The LC-2008 can be used in petroleum, coal, metallurgy, food, pharmaceutical, organic synthesis, analytical chemistry, bio-chemistry, medical, environmental, public security, agriculture and forestry applications.

Advantage
Dual-pump system, variable wavelength detector, competitive prices, easy to use.

Specifications
Flow Rate 0.001~9.99 mL/min (adjusting fl ow as 0.001Ml/min)
Flow Accuracy RSD < ±0.15% (flow 1mL/min)
Maximum Work Pressure 42MPa (fl ow: 0.001~9.999mL/min)
Pressure Display Precisio Display Precision tolerance < 0.5MPa (0~42MPa)
Pressure Fluctuation < 0.2MPa, (flow 1ml/min, water pressure 5~10MPa)
Pressure Maintained Loss of pressure < 0.5MPa within 10min, with 42MPa
Wavelength Range 190-600nm
Wavelength Accuracy ±2nm
Wavelength Reproducibility Better than 0.2nm
Bandpass 8nm
Baseline Noise <±5 X 10-5AU (spare flow cell, 254nm, 1.0sec.)
Baseline Drift <±5 X 10-4AU/hr
Minimum Inspection Data <±2 X 10-8 g/ml (naphthalene in MeOH )
Linearity Range Better than 104 ABS
Range (AU/FS) 0.001, 0.005, 0.01, 0.05, 0.1, 0.5, 1, 2
Filter Time Constant 0.1, 0.2, 0.5, 1, 2

LC-2008 UV Detector Specifications
Wavelength Range 190-600nm
Bandpass 8nm
Wavelength Accuracy Better than ±2nm
Wavelength Reproducibility Better than 0.2nm
Baseline Noise <±5 X 10-5 AU (MeOH, 1mL/min, 254nm, 20°C)
Baseline Drift <±5 X 10-4 AU/hr (MeOH, 1mL/min, 254nm, 20°C)
Minimum Inspection Data 3 X 10 -8 g/ml (naphthalene in MeOH )
Minimal Concentration <±2 X 10 -8 g/ml (naphthalene in MeOH )
Linearity Range Better than 104
ABS Range (AU/FS) 0.001, 0.005, 0.01, 0.05, 0.1, 0.5, 1, 2
Filter Time Constant 0.1, 0.2, 0.5, 1, 2
Flow Cell Volume 8 microlitre (8µl)
Fuse 2A
Analog Output 10mV
Recorder Output 10mV
Data Processor Output 1V
Remote Startup Control Connected with manual sampling
S-485 Data Commun. Input Connected with pump
RS-232 Data Commun. Input Connected with software
Dimensions 450mm L X 300mm W X 160mm H Net
Weight 12Kg (26.46lbs)

LC-2008 Pump Specifications
Flow Rate 0.001~9.99 mL/min (adjusting fl ow as 0.001Ml/min)
Flow Accuracy RSD < ±0.15% (fl ow 1mL/min)
Flow Precision < ±2% (flow 1ml/min, pressure 5~10MPa, rt)
Maximum Work Pressur 42MPa (flow: 0.001~9.999mL/min)
Pressure Display Precisio Display Precision tolerance < 0.5MPa (0~42MPa)
Pressure Fluctuation < 0.2MPa, (fl ow 1ml/min, water pressure 5~10MPa)
Pressure Maintained Loss of pressure < 0.5MPa within 10min, with 42MPa
Dimensions 450mm L X 300mm W x 160mm H Net
Weight 15Kg (33 lbs) Specifi cations