instrumentation, test and measurement instrumentation, battery chargers, demagnetizing equipment, electromagnets, magnetic integrating fluxmeters, hall effect devices, magnetic equipment, magnetic instruments, magnetic tape bulk erasers, magnetizer or magnetizing equipment, reference magnets, power supplies, probes, radiation monitors, solenoids, magnetic analyzers, magnetic field indicators, demagnetizers, test and measurement equipment available from walker ldj scientific inc based in worcester, ma. click the links below to visit our website or contact us via our profile page.