IMPORTANT: Over the coming few weeks Johnson and Allen are performing maintenance on their website. We apologise for any inconvenience.
Johnson and Allen have been the market leaders in the supply of crack detection equipment and consumables for over 75 years, with a wealth of experience in both MPI and DPI Systems.
Johnson and Allen's quality system is registered by BSI (FM09387 applies)
The only Accredited Lab for on site and in-house MPI Calibration.
Our MPI and DPI Systems are made in Sheffield