Amprobes AC68C model clamp‑on meters continues to be a popular choice of electrical and HVAC professionals. They have a Voltage measuring range up to 600VAC/DC. Can handle up to 600 Amps of current. Various jaw sizes make it possible for electrical contractors, electricians, HVAC installers and servicers, to use without a problem. People who demand value, good quality and practical test equipment for their everyday use should consider Amprobe.