Pressure & Vacuum Controller

PID Pressure controller
Signal input 4-20mA transducer
Low and high pressure alarming output 
Output AC115V or 230V through SSR (optional)
Voltage input: AC115V or AC230V

Vacuum Controller
Panasonic pressure control unit 
high and low limit output, no PID control
On/off control on the vacuum pump or solenoid valve
No pressure transducer needed (built-in sensor)
Voltage input: AC115V or AC230V