Multifunction Process multimeter source and measure Temperature functions , Thermocouples and RTDs Frequency, ohms, mV, Voltage, current , loop power Available PC interface with software Adopt ITS 90 Temperature Scale Used 5 digit LCD display with backlight Good accuracy 0.05 %, Battery Power operated RTC for Thermocouple Calibration 4X1.5 VDC Alkaline Battery for long life