SPECIFICATION
APPLICATION SCOPE
This specification covers the ultrasonic transducer for teeth cleaning.
2. Part No.: X4C1042
3. Parameter:
3.1 DIMENSIONS
As per the drawing No：X4C1538
3.2 ELECTRICAL SPECIFICATION
3.2.1 Resonant Frequency (fr)
F r (1)= 42±2.0kHz
3.2.2 Resonant Resistance (Zr)
Zr ≤800Ω
3.2.3 Capacitance (Cp)
Cp = 800pF±20%
3.2.4 mechanical factor (Qm)
Qm≥100
3.2.5 Bandwidth (Δf=fp-fr)
Δf ≥0.1KHz
3.2.6 Insulation resistance (Rv)
Rv ≥50MΩ（2000V DC）
4. TEST PROCEDURE
4.1 Test atmosphere
temperature：23±3℃
humidity：40 ~ 70%RH.
4.2 Apparatus
4.2.1Cp、fr、Zr 、Qm 和Δf Test these parameters
TH2818 (The TH2818 Impedance Analyzer or the piezoelectric Impedance Analyzer)
4.2.2 Rv Test Rv
KYORITSU 3121 (High voltage Insulation tester . Model 3121 KYORITSU)
5. INPUT POWER
maximum P：8W
maximum voltage VP-P:800V
1. The piezoelectric ceramic can give a strong and stable output.
2. High efficiency, high mechanical quality factor, obtaining high electric-acoustic conversion efficiency work at the resonance frequency points.
3. Large amplitude: optimization design by computer, vibration speed ratio is high.
4. Large power, Under the action of prestressing screws, the energy of the piezoelectric ceramic to get maximum play;
5. Good heat resistance, small harmonic impedance, low calorific value, using temperature range is wide.
