Differential Pressure transmitters, gauge pressure transmitters and vacuum transmitters are custom made for OEMs, resellers, contractors and end users. Outputs offered are 4-20 ma, 1-5 vdc, 0-5 vdc, 0-10 vdc, 0-100 mv and custom. Pressure ranges from 0.5" wc to 1500 PSI Air switches with contact ratings up to 15 amp, 230 vac with large temperature ranges and gauge isolators for isolating harmful media from gauges and other pressure instruments are also custom made. We can ship the same day. Cust