Welcome to Terwin Instrument’s website. Since 1975, Terwin Instruments have been manufacturing plastic extrusion melt pressure transducers, thermocouples, instrumentation, cables, and other products associated with pressure and temperature control & monitoring. We have tried to make our new website easy to navigate. Please look around this web page – all the information needed to help you make an informed decision, should be no more than 3 mouse clicks away! Please email or call us if you require more detailed information, would like a quotation, or wish to place an order.