VFDVCC CA2172D - Double Channel AC Digital Voltmeter 10Hz-2MHz

With floating function, the measurement is safe and accurate Frequency range 10Hz-2MHz, sine wave effective power supply voltage decibel range -80dB-50dB) (1dB=1V) decibel range -77dBm = 52dBm (0dBm = 1mW 600) Measuring range 3 millivolts, 30 millivolts, 300 millivolts, 3 volts, 30 volts, 300 volts Frequency Range 10Hz-2MHz measurement accuracy Voltage measurement accuracy (1kHz, 20OC) Decibel Measurement Accuracy ±1 digit DBm measurement accuracy ±1 digit