... , frequency/period, diode, continuity, dB/ dBm, etc 1.Product Name:5 1/2 Digital bench multimeter(82)12 different measurement functions ... digits DCV measurement accuracy up to 0.01%, resolution of 1μVMAX Measurement rate: 45 times/secondEqual accuracy frequency measurement ... calculation functions: mX+b, %, dB, dBm 512 readings storage and MAX/MIN/AVER/STD statistics HI/IN/LO comparator function GPIB ...