The FLIR CM72-NIST 600A AC True RMS Commercial Clamp Meter, NIST Certificate of Traceability gives you better access to wiring in hard-to-reach places, and provides all of the measurement capabilities you need for advanced troubleshooting. Made with a narrow jaw and high-powered LED worklights, the CM72-NIST makes it easier to take measurements in dark, crowded panels and cabinets. Its slim, light design is convenient to carry in your back pocket wherever you go. With advanced electrical features including Autoranging, True RMS Voltage and Current, LoZ, and an input for a flexible current probe accessory, the CM72-NIST has all of the measurement functions you need to stay competitive and ensure accurate readings.