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The Agilent 1200 G1311A Quaternary Pump provides stable, pulse-free solvent flow using dual floating pistons with servo control and variable stroke volume.
All units are factory tested to meet original equipment manufacturer (OEM) specifications before shipment.
| Setable Flow Range | 0.001 – 10 ml/min, in 0.001 ml/min increments |
| Flow Range | 0.2 – 10.0 ml/min |
| Flow Precision | ≤ 0.07% RSD, or 0.02 min SD whatever is greater, based on retention time at constant room temperature |
| Flow Accuracy | ± 1% or 10 µl/min whatever is greater |
| Pressure | Operating range 0 – 40 MPa (0 – 400 bar, 0 – 5880 psi) up to 5 ml/min Operating range 0 – 20 MPa (0 – 200 bar, 0 – 2950 psi) up to 10 ml/min |
| Pressure Pulsation | < 2% amplitude (typically < 1%), at 1 ml/min isopropanol, at all pressures > 1 MPa (10 bar) |
| Recommended pH Range | 1.0 – 12.5, solvents with pH > 2.3 should not contain acids which attack stainless steel |
| Gradient Formation | Low pressure quaternary mixing/gradient capability using proprietary high-speed proportioning valve Delay volume 800 – 1100 µl, dependent on back pressure |
| Composition Range | 0 – 95% or 5 – 100%, user selectable |
| Composition Precision | < 0.2% SD, at 0.2 and 1 ml/min |
| Dimensions (H x W x D) | 5.5 x 13.5 x 17 in |
| Electrical Requirements | 100-120 or 22-240 VAC, 50/60 Hz, 220 VA |
QuestPair is Europe's leading platform for scientific equipment, connecting researchers and organizations with verified suppliers of both new and pre-owned laboratory instruments in the biotech and material science industry. Our aim is to make the procurement of scientific instruments more efficient, cost-effective, and reliable, so that laboratories can focus on advancing science rather than searching equipment and negotiating deals.
Founded by scientists for scientists, we understand your challenges. Our AI-powered platform offers transparent pricing, verified quality, and expert support, ensuring you find the perfect equipment for your research needs.
Every piece of equipment undergoes thorough verification by our expert team, ensuring reliability and performance.
Access both new and premium pre-owned equipment, saving up to 40% without compromising on quality.
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From €5,303.65*ex. VAT
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