Tuning fork vibration level switch is caused to vibrate by the resonance of the piezoelectric crystal. When effected by the material damping, the amplitude suddenly reduces, then the frequency and phase change significantly. These changes will be detected by the internal electronic circuit, and be transformed into a switching signal output. The product can monitor, control and alarm the high and low bit of tanks. Also it is suitable for a variety of liquid, powder, granular solid. It is practical, simple, reliable, adaptable and maintenance-free. The tuning fork and output have working condition and diode indicator, which can be adjusted as habit. Also it has two power supply input modes(220V AC and 24V DC) and many power supply output modes(DC output type, DC voltage output type, relay contact output type). All types have high and low alarm sets, which can be done sensitivity setting according to the situation.
Electrical parameters:
1: Supply voltage: 24 V DC; 220V AC 50Hz
2: Output signal: relay output double-pole double-throw (DPDT) contact capacity: 8A 220V AC 4A 24V DC
3: Power consumption: ≤ 2W
Tuning Fork Switch Ordering Information Sheet
Model | Name |
AFTL | Tuning Fork Switch |
Code | Power Supply |
1 | 220V AC |
2 | 24V DC |
Code | Temperature Type |
H | High Temperature Type |
S | Common Type |
Code | Fork Sort |
A | Standard Type |
C | Shock Rod Type |
S | Compact Type |
Code | Fork Type and Insertion Depth Range |
G1 | Small Fork 45mm~3000mm |
G2 | Standard Fork 100mm~3000mm |
Code | Process Connection/Material |
N1 | 1″ NPT thread/316ss |
G1 | G1″ thread/316ss |
D25 | DN25 PN4.0MPa/316ss |
D40 | DN40 PN4.0MPa/316ss |
D50 | DN50 PN4.0MPa/316ss |
TC1 | 1″ Clamp/316ss |
TC2 | 2″ Clamp/316ss |
Code | Shell/Cable Interface Size |
A1 | Die-cast Aluminum Shell Explosion-proof IP67/NPT 3/4″ |
A2 | 316ss Shell Explosion-proof IP67/M20X1.5 |
Customers Supply | Insertion Length |