STROBOSCOPE SKF TMST 3 Electronic Stethoscope The SKF TMST 3 is a high quality instrument enabling the determination of troublesome machine parts by the detection of machine noises. TMST 3 includes a headset, two different length probes (70 and 220 mm) and a pre-recorded audio CD demonstrating the most common encountered troublesome machine noises, all supplied complete in a sturdy carrying case. Easily pinpoints bearing and machine noise SKF Electronic Stethoscope TMST 3 User friendly and easy to operate, no special training required. Lightweight ergonomic design makes it easy to operate with one hand. Excellent sound quality helps to reliably identify the possible cause of the noise. Excellent quality headset for optimum sound quality even in very high- noise environments. Pre-recorded demonstration CD and output for analogue recording help facilitate analysis and comparison. Supplied with two probes, 2.8 and 8.7 in. long. Adjustable digital volume control up to 32 levels to reach desired volume