The Fluke 87V MAX is a heavy duty True-rms Digital Multimeter with IP67 rating and 4-meter drop proven. Built for customers whose job takes them to extreme environments: hot, cold, wet, dirty, up ladders, down a hole. This is the DMM that works where others cant, plus all the trusted features from regular 87V. True-RMS accuracy with all functions of 87V and upgraded test leads. Fully waterproof and dustproof with IP67 rating and 4-meter drop proven. Built to take to harsh and extreme environments. Safety rated CAT III 1000 V, CAT IV 600 V meter to get you home safely from the job.