Tunkia TH3900 DC電力エネルギー基準規格

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.

Please refer to the Datasheet for detailed specifications

Datasheet