Transtector’s PDS series are hybrid 24 Vdc surge suppressors are purpose built for oil and gas sensors, metering devices and water & wastewater measurement process control. Transtector’s pipeline data suppressor units feature our proprietary silicon avalanche suppressor diode (SASD) technology for effective safeguarding and maximized performance of your systems. With stainless steel construction, these weather proof tubes fit single or dual conduit ports.