QRS Calibrations offers high quality voltage and current dataloggers manufactured by Extech Instruments. Specific Extech voltage and current data logger models feature True RMS AC capability and ultrasonic distance measurement. All of these voltage and current dataloggers are ISO 9001:2008 certified by TUV.
Voltage and current dataloggers are electronic devices that record and store measurements like voltage and current readings. These data can be transferred to other platforms like a computer.