Product_description: ['Dynasonics flow meter features a clamp-on design for easy, non-invasive installation and low maintenance. Unit is suitable for measuring clean liquids in energy monitoring, HVAC, power generation, and water treatment applications. The clamp-on transducer is mounted and wired directly to the flowmeter enclosure. This listing is for each. Housing Material : Aluminum, PVC Item : Electronic Flowmeter Flow Range : 2 to 38 gpm Flow Meter Pipe Type : ANSI Ambient Temperature : -40 Degrees to 131 Degrees F Wetted Materials : None Power Requirement : 95-264V AC Sensor Type : Ultrasonic Flow Material : Water-Like Liquids Pipe Size : 1/2 Connection Type : Dual Fluid Temp. Range : -40 Degrees to 140 Degrees F Repeatability : 0.50% Display Units : Feet, Gallons, Cubic Feet, Million Gallons, Barrels (Liquid and Oil), Acre-Feet, Pounds, Meters, Cubic Meters, Liters, Million Liters, Kilograms, British Thermal Unit, Million British Thermal Unit, mmBtu, Tons, Kilojoules, Kilowatts, Megawatts Display Type : Backlit LCD Special Features : Non-Invasive Flow Measurement Fluid Temp. Range (Deg. C) : -40 to 60 Accuracy (%) : +/-1 For Pipe Size : 1/2 in Type : Ultrasonic Fluid Temp. Range (Deg. F) : -40 to 140 Shop By : New Low Price Country of Origin (subject to change) : United States'] (Page 1)