Technical Specification Item Noncontact Ultrasonic Level Sensor Classification Explosion Proof Range 26.2 ft Accuracy +/- 0.2% of Range Resolution 0.079 Dead Band 8 Beam Width 3 Configuration Push Button Input Voltage 18-28 VDC (loop) Output 4 to 20mA, 2-wire Temp. Range -4 to 140 Degrees F Max. Pressure 30 psi Enclosure Rating Type 4 Enclosure Material Aluminum Material PVDF Gasket Material Viton Mounting 2 NPT Display LCD, 6-digit Standards FM, CE, RoHS Overall Length 4.44 Width 4 Height 6.1 Compliance & Restrictions Compliance and Restrictions This product has been certified by a third party to be compliant with the "Safe Drinking Water Act" requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption). This listing is for each. _DELETE_