HVP-39 Pro Made in Taiwan High Voltage Oscilloscope Probe 39kV, 50MHz, High Voltage Probe (Attenuation 1000:1) HVP-39 Pro is a high-voltage probe made in Taiwan, with a maximum bandwidth of 220MHz and an attenuation factor of X1000; the maximum withstand voltage reaches 39k DC+AC Vpeak; the BNC connector is suitable for various oscilloscopes, GWINSTEK, SIGLENT, UNI-T, RIGOL, OWON, All models of GW Instek oscilloscopes or oscilloscopes of other brands. HVP-39pro ( 1000:1, 39KV, 50MHz ) 39KVDC+AC peak value 900MΩ impedance DC~50MHz(-3dB) 1000:1 for oscilloscope Very low noise.