Exposed Series-Melt Pressure Sensor-PT120XL High Accuracy Type for fiber machine,rubber-plastic machine,polymer machine,etc. ... stability. 3,Resonable price Features & Application Adjustable zero and span Accuracy better than +/-0.25% 17-4PH Armoloy coated diaphragm,stainless ... ,which is the standard signal for most of industries.Its accuracy is a +/-0.5% sensor ideal for melt pressure measurements ...