The EX505A heavy duty true RMS industrial multimeter measures AC/DC voltage, current, resistance, capacitance, dual sensitivity frequency (electric 1 kHz/electronic 10 MHz), type K thermocouple -20°C to 760°C (-4°F to 1400°F), and bead wire temperature probe -20°C to 250°C (-4°F to 482°F). It has a 6000-count backlit LCD screen, 0.5% basic accuracy, relative/data hold, and an auto-power feature. With a CAT IV-600 V safety rating and an IP67 water and dust rating, the EX505A is an excellent tool for electricians, HVAC professionals, and benchtop technicians that want accuracy, durability, and safety in their electrical testing equipment.