TES 3910 True RMS 1000A AC/DC Amp Clamp-on


  • True RMS readings
  • Up to 1000 Amps AC or DC
  • Up to 1000 Volts AC or DC
  • AC, DC or AC+DC measurements
  • Inrush Current Measurment
  • Phase rotation on three phase systems
  • Varialbe Frequency Drive measurments
  • Lo-Z Voltage Measurments
  • MicroAmp input via test leads for HVAC flame sensor testing
  • Cat III 1000V, Cat IV 600V Rated
  • Min/Max/Avg Hold
  • Data, Auto and Peak Hold
  • Crest Factor and Harmonic Ratio Mode
  • Frequency, Resistance, Capacitance, Diode Ranges



AC/DC Current Measurment (using Clamp):  0-99.99A (10mA resolution) or 0-999.9A (100mA resolution)


MicroAmp Current Measurement (using leads): 0-99.99uA (10nA resolution) or 0-999.9uA (100nA resolution)


AC/DC Voltage Measurment: 0-999.9mV (0.1mv resolution), 0-9.999V (1mv resolution), 0-99.99V (1mv resolution),0-999.9 V (100mv resolution)

Water Analysis

free accordion menu module
free accordion menu module