... Ultrasonic non-contact technology offers no moving parts to wear, jam, corrode, or get coated like contact technologies. Mapping software makes ... liquids• Non-contact technology offers no moving parts to wear, jam, corrode, or get coated like contact technologies• Mapping software makes ... decreases 1.667 psi per 1°C increase. See Catalog page.Power Requirement:18 to 28 VDC (2 wire).Output Signal ...