The 376 FC True-RMS Clamp Meter with iFlex is designed for industrial and commercial electricians that require the most advanced troubleshooting tool. The clamp measures 1000 V AC and DC. The 376 FC also carries a CAT III 1000 V and a CAT IV 600 V safety rating. The included iFlex flexible current probe extends ac current measurement of 1000 amps via jaw up to 2500 amps. Test leads are designed with your work in mind and are also rated to CAT III 1500 V dc.