Model L.TEX 8500 Series High Pressure Syringe Pump - L-TEX corporation -
Advantages of the syringe pump over the reciprocating pumps are to generate very little pulsation and perform very stable delivery even with very low flow rate.
L.TEX can offer various syringe pumps with customized specifications to meet specific requirement of flow rates, volume of syringes, and pressure and temperature control of the cylinder, the automation system of the switching valve, and etc. Not only the standard standalone syringe pumps but also the PC controlled syringe pumps that are installed in the system can be offered with lower cost. The pumps can be customized for explosion-proof construction.
The model 8521 has been designed to deliver special solvent that becomes degenerated when it touches on the air. The position of the seal has been uniquely designed so that the washing mechanism has been placed under the cylinder, which prevents the solvent in the cylinder from touching the outside air.
| Model L.TEX 8521 Syringe Pump with a washing mechanism | |
|---|---|
| Delivery system | Syringe with a ball screw |
| Max. Pressure | 15MPa |
| Setting flow rate range | 0.01～0.5ml/min |
| Setting flow rate range | 15ml |
| Delivery mode | Constand flow |
| Dimensions and weight | Pump: 145(W) x 463(H) x 300(D)mm, approx.. 8kg Power supply: 178(W) x 100(H) x 230(D), approx.. 2kg |
The distinct advantage of the syringe pump is that the pump is able to deliver mobile phase at low flow rate with very low pulsation. The model 8522 Syringe Pump can be used for the measurement to require precise flow rate, low pulsation and delivery of high viscosity solvents.
| Model L.TEX 8522 Syringe Pump | |
|---|---|
| Delivery system | Syringe with a ball screw |
| Max. Pressure | 30MPa |
| Setting flow rate range | 0.01～1.0ml/min |
| Volume of cylinder | 15ml |
| Main functions | constant flow and constant pressure mode, time program (stepwise), upper and lower pressure limiter, pump off timer |
| External control | External START/STOP, RS-232 |
| Dimensions and weight | 210(W) x 460(H) x 350(D)mm, approx.. 10kg |
The model 8523 has been developed for the application in the low flow rate range, so it covers the flow rate range from 0.5 ~ 500μl/min. In order to increase resolution, the long narrow cylinder is designed. Motor drive high pressure valves are employed to aspirate and discharge the solvent automatically. When all solvent in the cylinder is discharged, the valve is automatically switched to aspirate the solvent.
| Model L.TEX 8523 Syringe Pump | |
|---|---|
| Delivery system | Syringe with a ball screw |
| Max. Pressure | 20MPa |
| Setting flow rate range | 0.5～500μl/min |
| Volume of cylinder | 30ml |
| Main functions | constant flow and constant pressure mode, time program, automatic valve switching of aspiration and discharge, |
| Dimensions and weight | 210(W) x 682(H) x 350(D)mm, approx.. 12kg |
The L.TEX8551 has been developed to inject large amount of the sample precisely for a short time in the line of the supercritical fluid system. The L.TEX8551 is controlled by the PC.
| Model L.TEX 8551 Syringe Pump(PC controlled) | |
|---|---|
| Max. Pressure | 25MPa |
| Setting flow rate range | 5.0～300.0ml/min |
| Volume of cylinder | 100ml |
The model L.TEX 8557 has been developed to delivery slurry.
To avoid precipitation, slurry in the cylinder has to be stirred so that cylinder is installed upside down and the stir bars are placed in the inside of the head and the stir bars motion is driven by electromagnets stirrer placed underneath.
| Model L.TEX 8557 Slurry Delivery Syringe Pump | |
|---|---|
| Delivery system | Syringe with a ball screw |
| Max. Pressure | 15MPa |
| Setting flow rate range | 0.01～5.0ml/min |
| Volume of cylinder | 50ml |
| Main functions | constant flow and constant pressure mode, time program(step wise) pump off time, upper and lower pressure limiter, automatic valve switching, electromagnets stirrer |
| External control | External START/STOP, RS-232 |
| Dimensions and weight | 210(W) x 755(H) x 400(D)mm, approx.. 18kg |
Recent development of analytical technologies for bio technologies field demands larger and more accurate information from very minute sample amounts. For those applications, the mass spectrometers have been used as detectors. The pump which introduces the samples to the mass spectrometer requires very accurate delivery of minute samples. Therefore, the syringe pumps have been widely used. However, there was a problem that commercial available pumps had been very costly and large. L.Tex has developed the model 8500 with a compact body and attractive price including all necessary functions. The operation is easy even for a novice to learn. And the model 8500 can be operated through the key pads as a stand-alone model as well as through the PC.
| Model L.TEX 8500 Nano Flow Pump | |
|---|---|
| Delivery system | Syringe with a ball screw |
| Max. Pressure | 30MPa |
| Setting flow rate range | 1nl ~ 3000μl/min 1nl ~999nl (1nl step) 1nl ~ 1000μl/min |
| Volume of cylinder | 3000μl |
| Main functions | constant flow and constant pressure mode, time program, upper and lower pressure limiter, automatic switching of suction and discharge |
| Dimensions and weight | 300(W) x 225(H) x500(D)mm, approx.. 18kg |
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