DC Porosity (Holiday) detector. Detects pinholes in coatings above 150um on metal substrates such as pipes and tanks. Audible and visual alarm (on front panel) when fault is found. Requires dry and clean conditions to operate. Complete kit supplied including probe handle with neon and 2m length cable, 60mm connector for flat brushes, 7m earth cable with clamp, fan brush, 250mm flat brass wire brush, 450mm probe extension. Some examples where it is suitable for use include pipeline coatings, tank-work and structures, storage tanks and valves.
- 0-30kV, 3.5 digit LCD display
- Voltage level displayed
- Rechargeable battery, 10h charger