The Series TUF Ultrasonic Energy Meter from Dwyer Instruments is an accurate, Class 2 energy meter. Through the use of ultrasonic technology, it measures heating and cooling energy consumption for a multitude of different applications, such as chillers, boilers, and/or tenant billing applications on large or small systems. It is an all-in-one accurate, compact flowmeter with integral communication, temperature meter and calculator. Users can keep maintenance to a minimum since it doesn’t have any moving parts that are vulnerable to buildup. The eight-digit LED display allows users to easily read recorded values, including temperature, flow rate and energy consumption. It is offered in a variety of different pipe sizes and flow rates to more easily choose the correct unit for any application. 800/872-9141; www.dwyer-inst.com.