The Phaostron 200-05173 Analog Panel Meter Center-Zero Rugged Instrument Gauge is a high-quality and durable test meter designed for various industrial and business applications. With a rugged construction and a center-zero design, this analog panel meter by Phaostron offers accurate measurements and reliable performance. This unit is a single piece, making it easy to use and install in a wide range of settings where precise measurements are essential.