Mechanic′s Stethoscope Ms-120

• After-sales Service: During The Warranty Period, Free Repair
• Warranty: One Year, One Year
• After-Sales Service: During The Warranty Period, Free Repair
• Frequency Range: 10~10K Hz
• Input Impedance: > 20 M
• Ambient Noise Permitted: 100 dB
• Model NO.: MS-120
• Dimensions: 156X67X28 mm
• Weight: 270g(Not Including Batteries)
• Transport Package: Gift Box and Carrying Case
• Specification: CE, ROHS
• Trademark: BESTONE
• Origin: China
• HS Code: 9031809090
• Production Capacity: 500000pieces/Year

Product Description

Applications:
Widely used in ship, automobile, chemical manufacture, metallurgy, machine, household appliance and many other fields.
* It can pick up and amplify the weak audio signals via a sensitive piezoelectric sensor, and distinguish the normal/abnormal signal and its location.
* Designed to help locate the source of excess bearing and machine noise easily at low cost.
* Used to quickly locate the source of engine noise such as piston slap, worn gears and bearings, blown gaskets. Also useful tracking down dashboard rattles and squeaks.

Features:

* It can pick up and amplify the weak audio signals via a sensitive piezoelectric sensor, and distinguish the normal/abnormal signal and its location.
* Desined to help locate the source of excess bearing and machine noise easily at low cost.
* Used to quickly locate the source of engine noise such as piston slap, worn gears and bearings, blown gaskets. Also useful tracking down dashboard rattles and squeaks.
Vibration Standard:

ISO/IS2373 Motor Quality Standard According As Vibration Velocity
Quality Rank	Rev ( rpm )	H: high of shaft ( mm ) Maximum vibration rms ( mm/s )
		80<H<132	132<H<225	225<H<400
Normal	600~3600	1.8	2.8	4.5
Good ( R )	600~1800	0.71	1.12	1.8
	1800~3600	1.12	1.8	2.8
Excellent ( S )	600~1800	0.45	0.71	1.12
	1800~3600	0.71	1.12	1.8

Specification:

Frequency Range	10~10K Hz
Input Impedance	>20M
Ambient Noise Permitted	100dB
Power Supply	4x1.5V AAA Size(UM-4)Battery
Dimensions	156x67x28 mm
Weight	270g(Not Including Batteries)
Standard Accessories	Main Unit
	Powerful Rare Earth Magnet
	Sensor
	Probe(Cone)
	Carrying Case
	Manual Book
Optional Accessories	Headset

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