TH3900 DC Power Energy Reference Level Standard

*Reference only

1. Summary

TH3900 is a DC energy reference device with an optimal measurement uncertainty of 10 ppm for power/energy. It has the characteristics of high stability, high accuracy, strong functionality and low temperature drift.

2. Features

• DC voltage measurement up to 1.15 kV with uncertainty up to 6 ppm;

• DC current measurement up to 600 A with uncertainty up to 8 ppm;

• Voltage output stability is better than 6 ppm/min, current stability is better than 8 ppm/min.

• Small-signal voltage with a minimum output of 0.1 mV and an uncertainty of 15 ppm;

• Both the built-in I/V and V/V conversion standards have an uncertainty of better than 3 ppm.

• The built-in solid state voltage reference has a typical annual variation of ±1.5 μV/V.

• The quantum voltage calibration function is reserved to improve the accuracy of measurement.

• Built-in high precision constant temperature crystal oscillator, standard second pulse uncertainty up to 0.5 ppm.

3. Schematic Diagram