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| | | Quaternary Micro Pumps |
| The Quaternary Micro Pumps are the heart of the UltiMate® 3000 Quaternary Micro HPLC Systems and provides optimal flexibility for a broad range of research, method development, and routine applications. Up to four solvents may be used for convenient method development, system flushing, and eluent preparation. The Quaternary Micro Pumps deliver low-pressure gradient proportioning for method development and routine analyses for a wide variety of industries and are a popular front-end for LC-MS applications. - A robust, dependable quaternary LC pumping system that can deliver up to four solvents for simple isocratic operation or complex gradient formation
- Fast and precise narrow bore analyses on 2–3-mm i.d. columns with all the advantages of low-pressure gradient proportioning
- Supports a flow rate range from 10 μL/min to 2.5 mL/min, pressures up to 50 MPa (7250 psi), and a flow rate accuracy typically at +0.25% at 200 μL/min
- SmartFlowTM technology that ensures consistent flow rate precision, retention time reproducibility, and gradient delays of less than 1 min and proportioning accuracy typically at +1% at 200 μL/min
- Available in a biocompatible version with all wetted flow path components made of inert materials including titanium, sapphire, ceramics, and high performance polymers
Performance Examples
| | | Quaternary Micro Pumps Specifications | | Operating principle | Serial dual-piston; low-pressure gradient proportioning | | Recommended flow rate range (settable range) | 10–2500 µL/min
(1-2500 µL/min) | | Flow rate accuracy | ±0.5% at 200 µL/min (typically ±0.25% at 200 µL/min) | | Flow rate precision | <0.1% RSD at 200 µL/min | | Pressure range | 0.1–50 MPa (7250 psi) | | Pressure ripple | typical: <2 bar or <1.5%, whichever is greater | | Proportioning accuracy | ±2% at 200 µL/min (±1%) | | Proportioning precision | <0.5% SD at 200 µL/min | | No. of eluent lines | 4 | | Gradient delay volume | 230 µL | | Solvent degassing | Built-in, 4-channel | | Weight | 17.9 kg (39.4 lb) | | Dimensions (h x w x d) | 19 x 42 x 51 cm (7.5 x 16.5 x 20 in.) | | PC connection | USB; USB hub with 3 sockets integrated | | Additional specifications | Please see data sheet |
| | Order Information | | LPG-3400M UltiMate 3000 Quaternary Low Pressure Proportioning Micro Pump | 5035.0045 | | LPG-3400MB UltiMate 3000 Biocompatible Quaternary Low-Pressure Proportioning Micro Pump | 5037.0055 | | SR-3000 UltiMate 3000 Solvent Rack without Degasser | 5035.9200 |
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|  |  | UltiMate LC Pumps | | UltiMate® 3000 Series Pump Systems offer the right choice of HPLC pump regardless of your application. |
| Modules | | | UltiMate ® 3000 LC modules achieve new levels of flexibility, performance, reliability, and ease of use. |
| LC and LC/MS Overview | Discover the UltiMate ® 3000 LCi series, and learn how LCi solutions can improve performance and productivity in your laboratory. |
| LCi Solutions |  | Find out how the UltiMate® 3000 LCi Series can provide you with LC solutions for your chromatographic challenges. |
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