Technical Parameters Category Parameter Specification / Description General Model 3720 Type Pneumatic Level Transmitter Performance Input Range Level range defined by the length of the float lever arm (e.g., 12", 24", 36", etc.). Output Signal 3 to 15 psig (0.2 to 1.0 bar) Supply Pressure 20 psig (1.4 bar) minimum, 20-35 psig (1.4-2.4 bar) typical. Accuracy ±1% of span Sensitivity 0.1% of span Mechanical Float Material Copper (Standard for water), Stainless Steel (for corrosive liquids). Lever Arm Length Standard lengths available to suit various tank depths. Mounting Typically side-mounted on the tank. Environmental Liquid Specific Gravity Typically designed for S.G. > 0.5 Ambient Temperature -20°F to 180°F (-29°C to 82°C) Enclosure Rating Weatherproof
