Alicat PCDS and PCRDS series of pressure controller have been designed for aggressive applications as they feature all 316L stainless steel wetted parts and FFKM seals. They can withstand aggressive gases such as NH3, H2S and SiH4. Alicat PCDS and PCRDS series allow for stable and response control within closed volumes, they reduce wasting costly gases as there is no continuous bleed valve.
PCDS and PCRDS series incorporates a second, independently controlled exhaust valve that actuates only when the pressure needs to be reduced, minimising the amount of gas venting.
The PCDS and PCRDS series pressure controllers are repeatable and accurate with calibrations up to ±0.125% of full scale accuracy.
PCDS series controllers have a 1/8” NPT female connection and are typically suited to low flow pressure applications, whilst PCRDS controllers feature a ¾” NPTF connection and are for applications where the flow rate exceeds 20 LPM.
Every Alicat dual valve pressure controller has a 200:1 turndown ratio with many standard pressure ranges available, standard pressure units include PSIA, PSIG, mmHG, inHG, inH2O, mBar, Atm, Torr and kPa.
The digital dual valve pressure controller features a local LCD screen and push button user interface to change process variables. A colour TFT display is also an option to. RS-232 communications are standard as well as an analogue output signal such as 0-5 Vdc. Modbus-RTU, available over RS-232 or RS-485 and PROFIBUS protocols are also available.
Every Alicat pressure controller is backed by the manufactures limited life time warranty and ships with a NIST traceable calibration certificate.
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