Shimadzu LC-20AD Liquid Chromatograph Pump (New)

Superior Solvent Delivery Performance

With an automatic pulsation-correction mechanism and high-speed micro plunger driving, LC-20AD achieves pulse-free solvent delivery. Thanks to improvements in solvent-delivery control firmware, solvent-delivery performance in the micro-flow-rate range below 50 μL/min has been significantly improved.

Low-Pressure Gradient Unit

The optional low-pressure gradient unit can be incorporated in the LC-20AD, enabling gradient elution in a compact space with a small void volume. Automatic matching adjustment of the solenoid valve and pump gives concentration accuracies of ±1.0%

A new type of plunger made with a technique that reflects consideration of the material structure and a precise plunger-holding mechanism help to increase the service life of plunger seals and enable stable solvent delivery over long periods.

• Solvent delivery method: Parallel-type double plunger
• Plunger capacity: 10 μL
• Maximum discharge pressure: 40 MPa
• Flow rate setting range: 0.0001 to 10.0000 mL/min
• Flow rate accuracy: No more than ±1% or ±2 μL/min, whichever is greater (0.01 to 2 mL/min)
• Flow rate precision: No more than 0.06% RSD or 0.02 min SD, whichever is greater
• Gradient type: High-pressure mixing/low-pressure mixing
• Mixing-concentration precision: 0.1% RSD max.
• Constant-pressure solvent delivery: Supported
• Plunger rinsing mechanism: Manual rinsing or automatic rinsing using optional product
• Safety measures: Liquid-leakage sensor, high-pressure/low-pressure limits
• Operating temperature range: 4 to 35°C
• Dimensions, weight: W260 × D420 × H140 mm, 10 kg
• Power requirements: AC 110 V, 230 V, 150 VA, 50/60 Hz