Easily pinpoints bearing and machine noise

Electronic stethoscope TMST 3
Electronic stethoscope TMST 3
The SKF Electronic Stethoscope TMST 3 is a high quality, sensitive instrument enabling the determination of troublesome machine parts by the detection of machine noises or vibrations.
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 noise, all supplied complete in a sturdy carrying case.
  • Excellent sound quality helps to reliably identify the possible cause of the noise
  • User friendly and easy to operate, no special training required
  • Lightweight ergonomic design makes it easy to operate with one hand
  • 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, 70 and 220 mm (2,8 and 8,7 in) enabling reach almost anywhere
  • Adjustable digital volume control up to 32 levels to reach desired volume
Technical details
Frequency range
30 Hz-15kHz
Operating temperature
- 10 to + 45 °C (14-113 °F)
Output volume
Adjustable in 32 levels
Led indicator
Power on

Sound volume

Battery low
Maximum recorder output
250 mV
48 Ohm (with ear defender)
Auto switch off
Yes, after 2 min
4 x AAA/R03 (included)
Battery lifetime
30 hours (continuous use)
Dimensions handset
220 x 40 x 40 mm (8.6 x 1.6 x 1.6 in.)
Probe length
70 and 220 mm (2.8 and 8.7 in.)

1,6 kg (3.5 lb)
162 g (0.35 lb)
250 g (0.55 lb)
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