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Pressure Servo Controller with Peristaltic Pump

Pressure Servo Controller with Peristaltic Pump

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The pressure servo controller with peristaltic pump is used to precisely control the intravascular pressure in isolated cannulated blood vessels. Many other uses are also possible, including maintaining pressure in isolated organ beds, gastrointestinal tissue, urinary tract, or lymphatics. This instrument is ideally suited for the examination of myogenic responsiveness of isolated cannulated blood vessels.

Use the PS-200 to achieve either a constant pressure (pressure mode; 0 to 200 mmHg) or a constant flow rate (flow mode; 3 µl/min to 2.4 ml/min, depending on tube set used—see FC-TS). The PS-200 comes with one piece of FC-TS-031 tubing, one piece of FC-TS-093 tubing, and one PT-F pressure transducer.

In the pressure mode of operation, a flow-through pressure transducer placed in line with the blood vessel, or other biological preparation senses the pressure and a miniature peristaltic pump operates to maintain pressure at the user-specified set-point. In the flow mode of operation, the peristaltic pump supplies a user-defined constant flow rate, and the pressure transducer monitors perfusion pressure. Pressure is indicated directly in mmHg on a digital panel meter in both modes and is available as an analog output voltage for data acquisition. Pressure or flow set-points may also be programmed through an external voltage signal applied to the instrument.

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