True RMS DMM with 40,000 count large LCD display, temperature function and waterproof housing. Ruggedly designed and waterproof to IP67 standards, the EX530 is ideal for use in the outdoors, on boats, and in any harsh industrial environment. It has a double molded housing and is drop-proof up to six feet with a safety rating of CAT IV 600 Volt and CAT III 1000 Volt. It measures AC/DC voltage and current, resistance, capacitance, electronic and electrical frequency, temperature, 4 to 20 mA, and duty cycle. Additional features include: 0.06% basic accuracy, continuity beeper, diode test (2.8 Volt open circuit voltage), 40000 count resolutions, backlit LCD with barograph, peak hold, min/max, relative mode, data hold and 1000 Volt input protection for all functions. Comes complete with double-molded test leads, type K bead wire temperature probe (-4 to 482 degrees F/-20 to 250 degrees C), magnetic hanging strap, case, and a 9v battery.