The KF-6901B ground wave ultrasonic comprehensive calibration instrument is mainly used to calibrate instruments and meters that use TEV (transient ground voltage) and ultrasonic sensing methods to detect partial discharge of high-voltage equipment in power. During testing, by detecting the output pole, the instrument will simulate the TEV signal and ultrasonic signal of the partial discharge characteristics of electrical equipment insulation faults, and the amplitude and frequency of the TEV signal can be set separately.

TEV calibration technical parameters

Output amplitude range: 0.02V-30V

Output frequency range: 20Hz-60KHz

Output polarity: Positive and negative polarity @ 0.02V-1V, positive and negative polarity @ 2V-30V

Amplitude accuracy: ± 0.5%

Frequency accuracy: ± 0.5%

Amplitude resolution: 2mV

Frequency resolution: 10Hz

Output step size: 1mV

Ultrasonic calibration technical parameters

Output range: 30-70dB

Output step size: 2dB

Output method: Open

Power supply: Built in rechargeable battery

Control software: calibrate software and communication interface through PC

Source mode: Two types of simulated pulse outputs: internal simulated partial discharge source and external standard pulse source