ESMYB Single-rod vibrating rod type level switch sensor
Working Principle
The core component of the vibrating rod level switch is the vibrating rod, which contains a piezoelectric ceramic element inside. In the no-load state, the piezoelectric ceramic is driven by the electronic circuit to make the vibrating rod continuously vibrate at its natural resonant frequency. The detection piezoelectric ceramic monitors the vibration amplitude or frequency of the rod in real time. When material rises and comes into contact with the vibrating rod, it dampens the rod's vibration, causing a sharp decrease in vibration amplitude or a significant change in its resonant frequency. Once the detection circuit detects that the vibration amplitude falls below a preset threshold or the frequency change exceeds the allowable range, it determines a 'material present' state and changes the output switch state.
Product Features
1. Prevent material jamming and sticking
2. Not affected by the properties of the measured material
3. Measurement sensitivity can be adjusted based on the object, suitable for measuring liquid/powder levels of different specific gravities
4. Probe is sturdy, wear-resistant, and impact-resistant
5. Not affected by dielectric constant
Product detail
Technical Specifications
|
Name |
ESMYB Single-rod vibrating level switch |
|
voltage |
AC220V/DC24V |
|
power |
≤2.5W |
|
Vibration frequency |
280HZ |
|
Relay contacts |
Normally open and normally closed contacts AC250V/DC30V 5A |
|
Electrical connection |
M16*1.5 |
|
Delay time |
Measured (vibration stops) 0.5 seconds, recovery (stops vibrating) 1~2 seconds |
|
Operating temperature |
Probe part: -30~200°C Base part: -30~70°C |
