TVT-322 Double Pointer Display High Precision AC Millivoltmeter Voltmeter Voltage Measuring Instruments Measure Frequenc

Features Dual needle solely and tracing measurement Frequency 5Hz 1MHz AC Voltage 300uV 100V Max DC AC300V dB measurement 70dB 40dB 3600 revolving switch10Mohm input impedance Internal groundingObservation of internal output Specifications Measuring rangeVoltage 300V 100V in 12 stepsdB 70dB to 40dBdBm 80 to 52dBm 0dB 1Vrms 0dBm 0 755V Measuring mode traceableError Within 3 at 1KHz full scaleFrequency response 5Hz 1MHz 10 10Hz 500KHz 5 20Hz 200KHz 3 30Hz 100KHz 2 Readout at 1KHz as reference Input impedance 10Mohm 5 45pFMax input voltage 500V DC AC peak within in 3V 100V 300V DC AC peak within 300V 1V Stability 5 of full scale at 10 variety of line voltageSurvival voltage Less than 200V at 1mV range and short circuit of inputCross talk Independent less than 80dB connecting 600ohm load Consistent less than 50dB connecting 600ohm loadGain 60dBOutput voltage 0 1Vms20 ai full scale without loadOutput resistance 600ohm20 at 1KHzDistortion Less than 1 at full scaleSignal to noise ratio More than 30dB at 0 3mV rangeFrequency response 5Hz 500KHz within 3 Ambient 10C 40C85 RH Power supply 220V 110V10 50Hz 60HzDimension 239 140 200mmweight About 3Kg Package Includes 1 x TVT 322 Voltmeter1 x Power Line Details Pictures