EX510-NIST / Extech Heavy Duty Industrial MultiMeter Double molded for waterproof (IP67) protection.Rugged design — drop proof to 6 feet.6000 count.1000V input protection on all functions.
EX530-KIT / Extech True RMS Industrial Multimeter Kit, 40,000 count Quickly and accurately troubleshoot motors, drives, switch gear and more.1000 V input protection on all inputs for additional flexibility.