FLUKE 5440A The 540B Thermal Transfer Standard

The 540B Thermal Transfer Standard is a thermal instrument for precise measurement and calibration of AC voltage and current. It is designed for simple operation with positive protectection from overloads. Voltage transfers may be made from 0.25 to 1000V rms in 14 ranges with a frequency range from 5Hz to 1MHz and a basic accuracy of ą0.01%.Option 110 = Rechargeable Battery Pack