HC49

1. SCOPE

     This specification covers the piezoelectric ceramic transducer for cleaning.

  2. TYPE

     HM-4GC-7850

  3. SPECIFICATION

     3.1 DIMENSIONS

        As per the drawing No. HM-4GC-7850-01

     3.2 ELECTRICAL SPECIFICATION

        3.2.1 Resonant Frequency (fr)

             fr =20kHz±1.0kHz

        3.2.2 Resonant Resistance (Ro)

             Ro = max. 20Ω

        3.2.3 Capacitance (Cp)

             Cp = 5000±200pF

4. TEST PROCEDURE

     4.1 TEST ATMOSPHERE

           23±3℃  40 ~ 70%RH.

     4.2 Fr AND Ro :

        The HP-4194 Impedance Analyzer.

     4.3 Cp

        LCR meter at 1kHz,1Vrms

  5. INPUT FOR TRANSDUCER

          MAXIMUM INPUT

          Voltage:  300 Vp-p

          Current:    1Ap-p