According to the material and specifications of the inspected pipe, the specific parameters are determined according to these influencing factors
Magnetic saturation: use permanent magnetic core (suitable for ferromagnetic material detection)
Frequency band: low frequency (10 kHz～100 kHz);
Intermediate frequency (100KHz～300KHz);
High frequency (300KHz～1000KHz)
Outer diameter: 3～60mm
Length: 1m～45m
CNY
