See Littelfuse Commercial Vehicle Products Products
TruStability® Board Mount Pressure Sensor Compensated/Unamplified: TSC Series, ± 0.15% Accuracy, Analog mV Output, SIP, Fastener Mount, Dual Radial Barbed Ports, Same Side, 1 psi Differential, 1.5 to 12 Vdc Supply, Liquid Media On Port P1, No Special Options