Commercial-grade PlatinumPro 480 measures true rms, capacitance, frequency, and temperature, and offers peak hold, min/max, and relative modes. Industrial-grade PlatinumPro 490 logs 40,000 readings and comes bundled with ProVision software. Technical-grade PlatinumPro 630 incorporates numerous testing functions, 3 displays, on-screen menus, DAQ, and extended accuracy, plus software and cables. All carry UL and Cat III (600 V) ratings and support data transmission and calibration via RS232.