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> Murata ultrasonic transducer set
Murata ultrasonic transducer set
Murata/Erie P/N 492948. (Marked MA40 A5-S.)
1. Nominal Frequency = 40 KHz.
2. Max. Sensitivity (Sound Level) = 110 dB min.
3. Bandwidth = 4 KHz min. at 100 dB.
5. Insulation Resistance = 100 MOhm min.
6. Temperature Characteristics : Variation of Sensitivity is within -10 dB at -20°C to +80°C.
Murata/Erie P/N 492951. (Marked MA40 A5-R.)
1. Nominal Frequency - 40 KHz.
2. Max. Sensitivity (Sound Level) = -67 dB min.
3. Bandwidth = 6 KHz min. at -74 dB.
5. Insulation Resistance = 1- MOhm min.
6. Temperature Characteristics: Variation of Sensitivity is within -10 dB at -20°C to +60°C.
Note: Sensitivity 0 dB = 1V/mbar
Sound Level 0 dB = 2 x 10-4 mbar at 30 cm.
