Dwyer PUF-2001 is a Portable Ultrasonic Flowmeter Kit with a temperature range of -4 to 275°F (-20 to 135°C). It offers high accuracy, with ± 0.5 to 2% accuracy for flow rates above 0.66 ft/s (0.2 m/s) and pipe IDs above 3 in (75 mm). It has a response time of <500 ms and a measurement range of 0.33 to 65.62 ft/s (0.1 to 20 m/s). The kit includes transducers with an IP51 rating, a carrying case with an IP67 rating, and a converter with an IP54 rating. It has multi-pin Lemo plugs for electrical connections and offers analog and pulse outputs for data transmission. The PUF-2001 is suitable for use with homogeneous liquids without air bubbles and has a power consumption of 10.5 W. It features a 240 x 64 pixel graphic display with backlight and supports multiple languages. The repeatability of the device is ±0.5 % of measured value or ±0.066 ft/s (0.02 m/s). The flowmeter kit is constructed with flame retardant injection molded ABS plastic and has a range of compatible pipe materials. It can operate with a power adapter and comes with various adapters for international use.