MS-120 Landtek Digital Mechanic's Engine Stethoscope with Headphone & 2 Separate Sensor Probe, Machine Faults Detector 10~10K Hz, Diagnostic Tool for Sound Noise Detection Automotive Automobile Car Set Kit

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Mechanics Stethoscopes are used to track down automotive, mechanical, and other types of machine issues.

Application: Widely used in ship, automobile, chemical manufacture, metallurgy, machine, 
household appliance and many other fields. Rapidly detect the machine noise from a diesel engine, an air cylinder or an automobile, and exactly find out the malfunction position. Check piston slap, worn gears, damaged valves and bearings, as well as water pump failure.


  • Can pick up and amplify the weak audio signals via a sensitive piezoelectric sensor
  • 2 separate sensors to detect 2 parts of the machine simultaneously
  • Hearing from Mono (Left or Right Channel) & Stereo (Both Channels) modes are selectable
  • Distinguish the normal/abnormal signal and its location
  • Designed to help locate the source of excess bearing and machine noise easily at low cost
  • Quickly locate the source of engine noise such as piston slap, worn gears, damaged valves and bearings, blown gaskets, water pump failure
  • Track down dashboard rattles and squeaks
  • Identify abnormal noise from an engine or a motor to avoid accidents
  • Monitor the performance of all kinds of axletrees, ship or vessel
  • Check whether the liquid in a pipe is flowing or blocked in chemical industries
  • Best use in maintenance of various vehicles and household appliances
  • Best Mechanic's Stethoscope for Diagnosing Engine Sounds and Useful for Automotive Diagnostics


  • Frequency Range: 10~10K Hz
  • Input Impedance: >20M
  • Ambient Noise Permitted: 100dB
  • Power Supply: 4x1.5V AAA Size Battery
  • Dimensions: 156 x 67 x 28mm
  • Weight: 270g  (Excluding Batteries)

Set Includes:

  • 1 x Mechanical Stethoscope
  • 1 x Earphone set
  • 2 x Powerful Rare Earth Magnet (installed, see sensors)
  • 2 x Sensor
  • 2 x Stinger probe
  • English Operation Manual
  • Carrying Case

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