Druck PM620-13G Pressure Module, -14.7 to 300PSI Fully interchangeable with no need for set-up or calibration Simple screw fit - no tools required! Accuracy from 0.005% Fs, 2 times better than other brands Minimal use of hoses required www.transcat.com/druck-pm620-13g-pm620-13g?srsltid=AfmBOoqBtAvbmnq8wI2dH6TXBpc-15AGbjRRkNJgAJ3te2MBSARFf_XJ