Extech MA61 True RMS 60A AC Clamp Meter and Non-Contact Volt Probe is an AC current digital clamp meter designed for taking measurements in tight spaces and features full overload protection and Non-Contact voltage detection. The Extech MA61 is manual ranging and has 3 selectable ranges for current, measures up to 600V AC/DC voltage, and boasts a 6000mA range that is useful for automotive applications. The Extech MA61 also provides a Unique VFC (variable frequency control) mode for troubleshooting HVAC problems, reads resistance, capacitance, frequency, diode and continuity, and includes low battery display and auto-off functionality.