The Fluke 789 Process Meter is a handheld multimeter that is battery powered and features true RMS capabilities. With a digital display, this meter is designed for precise measurements in a variety of industrial and business settings. As a parts-only product, it is intended for those who need specific components for maintenance or repair purposes. The Fluke brand is known for its high-quality and durable testing equipment, making this meter a reliable choice for those in need of its features for their specific applications.