Vibration Monitoring System
Vibration Switch
（VM-90M series）
Analog type which has lots of achieved hazard prevention
Widely used device with a long sales history.
Features
Corresponds to all kind of sensors
Easy installation: stationary, panel housed or wall-mounted
Customizable power supply, alarm delay time and so on
Suitable Sensors
| Model | VP-3144C/D*1 | VP-3213AC/AD*1 （Horizontal only） |
VP-3223AC/AD*1 （Vertical only） |
VP-A52IW | VP-3133HEX （Horizontal only） VP-3133VEX （Vertical only） |
VP-3134AEX |
|---|---|---|---|---|---|---|
| Sensor type | Electrodynamic velocity type | Piezoelectric accelerometer | Electrodynamic velocity type | |||
| Sensitivity | 10 mV/ （mm/s） |
17.5 mV/（mm/s） | 5 mV/ （m/s2） |
17.5 mV/ （mm/s） |
10 mV/ （mm/s） |
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| Natural frequency | 14 Hz | 4.5 Hz | 35,000 Hz | 4.5 Hz | 14 Hz | |
| Operational temperature range | -20 to ＋80℃ | -20 to ＋70℃ | -30 to ＋110℃ | -20 to ＋70℃ | ||
| Structure | Drop-proof (Equivalent to IP32) | Insulative and water proof | Flame-proof (EX d ⅡBT4Gb) | |||
| Outward appearance | 
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| Notes | Suitable for monitoring of medium frequency displacement or velocity |
Suitable for monitoring of low frequency displacement or velocity | Suitable for monitoring of acceleration |
Suitable for monitoring of low frequency displacement or velocity |
Suitable for monitoring of medium frequency displacement or velocity |
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*1 Cable connection method C: G 1/2 pipe thread/D: direct connection of clamp
*Another sensor for high temperature or waterproof are also available.
Outline Drawings
*Include Imperial measurements
Unit: mm
