Amprobe RS-1007 PRO [3467476] CAT IV 1000 A Analog Clamp Meter. The Amprobe RS-1007 PRO CAT IV Analog Clamp Meter is a great tool for tough electrical applications. Take this clamp meter to extremes. Most digital clamp meters have LCD screens that tend to freeze below 32 degrees (0 degrees Celcius) but the Amprobe RS-1007 PRO can take extreme heat or cold and keep on measuring amps and volts-without problems or batteries. The RS1007PRO measures AC current up to 1000A, AC voltage up to 600V, resistance and continuity. Other features of the analog clamp include pointer lock, data hold, and an easy to use rotary scale. The RS-1007 PRO does not require batteries for measuring Amps and Volts and is CAT IV, 600 V Safety Rated.