Dual-valve Pressure Controller for Closed Systems

上海仪舶实验室自动化 25-01-23 16:56:14

Dual-valve Pressure Controller for Closed Systems

Alicat’s PCD dual-valve pressure controller is a fast, precise and repeatable pressure control instrument specifically designed for closed volumes. It uses intake and exhaust valves that are independently controlled to obtain quick and stable pressure control within a closed or dead headed system.

The PCD controller features proprietary control software and electronics that enable it to input process gas into a chamber. The unit operates by utilizing a modified PID loop control that allows it to control each valve while enabling only one valve to open at a time. Through this setup, the unit reaches a setpoint quickly and effectively and keeps the gas venting to an absolute minimum.

The PCD pressure controller is used in a wide range of industries, ranging from biopharmaceutical testing to semiconductor manufacturing.

Key Features

The main features of the PCD dual-valve pressure controller are:

Fully functional digital display with pushbutton control

Multiple analog and digital input/output

No warm up time

Viton seals

Standard barrel type power connector

8 pin mini din electronic connector

RS-232 multi-drop digital output

User tunable PID algorithm

User can select any of nine units of measure at time of order

200:1 turndown ratio enables gauge to measure 1/200th of its full scale potential

Setpoint control and loop tuning via display

NPT process connections

Operates in applications with flow rates as high as 2500SLPM

Compatible with a wide range of liquids and gases

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