Fluke 353 true rms clamp meter fluke fluke 353 confidently take reliable readings with this fluke 353 digital clamp meter this is the tool of choice for high current amp meter measurements up to 2000a the extra wide jaw easily clamps around large conductors typically found in high current applications the extra rugged design and cat iv 600 v cat iii 1000v ratings add an extra element of user protection when taking high powered measurements br br accurate peak measurements can be taken