Testboy 130 Magnetic Field Tester Testboy Testboy 130 P The Testboy 130 is a Magnetic Field Tester suitable for fast and accurate testing of electromagnetic switches and valves The illuminated tip displays all permanent direct and alternating magnetic fields P P The tip of the 130 is so sensitive that covers or panels do not need to be removed from machines Functional testing can be carried out without any initial set up or stopping of machinery P Testboy 130 Magnetic Field Tes
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