SUNROM ELECTRONICS

Vibration Sensor SW-18020P

Internal spring triggers contact on external force.

Product Code 4073

Available We dispatch same day if ordered by 1PM (excluding holidays), then courier usually takes 2-5 days.
Real Time Availability
Ready Stock: 577 nos.
Factory Leadtime for more quantity: 15 days
Quantity Pricing
Quantity :
Price (Discount%)
1-9 :
Rs.22.42/- (0%)
10-24 :
Rs.21.30/- (5%)
25-49 :
Rs.20.85/- (7%)
50-99 :
Rs.20.40/- (9%)
100-249 :
Rs.20.18/- (10%)
250-499 :
Rs.19.95/- (11%)
500-999 :
Rs.19.51/- (13%)
1000+ :
Rs.19.06/- (15%)
Vibration Sensor SW-18020P
Sunrom Product Code for Ordering:
4073

Can be used in variety of vibration detection projects. The two contacts of sensor are not connected in idle condition. When external force is acted upon either my movement or vibration, the sensor's two contact pin are closed and contact is made between the two pins. When the force is removed the sensor terminals returns back to open contacts. 

Specifications

  • Maximum working voltage (Vmax) : 12V
  • Maximum current (Imax) : less than 5mA
  • Open circuit resistance: more than 10 Mega Ohms
  • On resistance: less than 5 ohms
  • Ambient temperature: less than 100℃.
  • Life expectancy: 5,00,000 times
  • Suitable for small current control circuit of trigger.
  • Response time: 2ms
  • Sensor is in airtight seal
  • Gold Plated Contacts

Applications

  • Anti-theft alarm
  • Smart Home systems
  • Automotive devices
  • Home electrical devices
  • Air conditon / Air warm blower fall prevention protect switches
  • Communication devices
  • Electronic Scale 
  • Instruments / Toys
  • Meters / Lamps
  • Digital Shoes
  • Sport Equipments

Details

Sensor is made up of a small spring mechanism, which makes the contact ON when the applied vibration force is at above a certain threshold. It has two legs coming out of it. Normally the two terminal are insulated by a resistance value more than 10MOhm. When someone applies vibratory force on the switch, spring inside the switch vibrates and makes a momentary short circuit between the two terminals.

Testing with LED

Make a simple LED circuit to verify the working of Vibration sensors. Use Vibration Switch as an on-off switch. When vibration of above a threshold is present on the sensor, the LED glows while when there is no applied vibration LED does not glow.

Testing with scope

Testing with oscilloscope is simple. Just give external voltage through vibration sensor. Then the sensor is tapped, it outputs high pules as shown below on actual scope output. There are multiple pulses due to internal spring vibration on tapping.

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