These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E-A-Rfit Validation System
3M is Leading the Advancement of Hearing Conservation.
Insize 7160-1, TELESCOPING INSPECTION MIRRORS, 1.260" DIA, 6928640392870
Insize 3127-E25, DIGITAL THREE POINTS INTERNAL MICROMETER, 2-2.5"/51-63mm, 6928640356360
Insize 9407-5, OPTICAL TRANSMISSION PROBE FOR CNC MACHINE TOOL, probe length 5.866", 6928640380266
Insize 4130-24, METRIC THREAD PLUG GAGE, M24x3, 6928640340123
Insize ISM-MAS-SCALE, CALIBRATION RULE (graduation 0.01mm), 6928640349041
Insize 9561-40A, LASER DISTANCE METERS, 1.2~131ft, 6940561967494
Insize 6889-4, MAGNETIC V-BLOCKS, 7.9x4.9x5.9", pair, 6928640320880
Insize 7160-1, TELESCOPING INSPECTION MIRRORS, 1.260" DIA, 6928640392870
Insize 3127-E25, DIGITAL THREE POINTS INTERNAL MICROMETER, 2-2.5"/51-63mm, 6928640356360
Insize 9407-5, OPTICAL TRANSMISSION PROBE FOR CNC MACHINE TOOL, probe length 5.866", 6928640380266
Insize 4130-24, METRIC THREAD PLUG GAGE, M24x3, 6928640340123
Insize ISM-MAS-SCALE, CALIBRATION RULE (graduation 0.01mm), 6928640349041
Insize 9561-40A, LASER DISTANCE METERS, 1.2~131ft, 6940561967494
Insize 6889-4, MAGNETIC V-BLOCKS, 7.9x4.9x5.9", pair, 6928640320880
These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E-A-Rfit Validation System
3M is Leading the Advancement of Hearing Conservation.
