| Model: | MS-120 |
|---|---|
| Brand: | GRAIGAR |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Analysis Instrument |
| Label: | Stethoscope , Engine Noise , MS-120 |
| Price: |
US $120
/ pc
|
| Min. Order: | 1 pc |
| Last Online:02 Aug, 2024 |
New Mechanic's Stethoscope MS-120 Pick up and Amplify the Weak Audio Signals via Sensitive Piezoelectric Sensor
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.
Specifications
|
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 |
Vbration 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 |
|
