Centre Working Frequency(kHz):	500KHZ±4%	Bandwidth(hz):	20kHz
Overall Sensitivity:	>3V	Beam Angle:	5±1°
2000PF±20%:	300PF±20%	Electrostatic Capacity:	200Ω±30%
Operating Temperature:	-20～70℃	Protection Class:	IP65
High Light:	ultrasonic flow rate sensor , high frequency ultrasonic sensor

500KHz high frequency ultrasonic sensor for air gas flow meters flowrate measurement

Parameters

Centre working frequency (kHz)	500KHZ±4%
Bandwidth(hz)	20kHz
overall sensitivity 0 dB=3 Vp-p; cycle:8; distance:8cm (transmitter and receiver)	-65dB min
Beam angle(-3dBfull angle)	5±1°
electrostatic capacity	300PF±20%
Minimal parallel impedance	200Ω±30%
Maxim operating voltage (Pulse Duty cycle ratio 2%)	＜500V
Operating temperature	-20～70℃
Protection class	IP65

Dimension

Testing curve

7 Precautions

7.1 The ceramic body of the sensor chip is mainly composed of lead zirconate titanate ceramics. Please ensure that the ceramic body complies with local environmental regulations when discarded.

7.2 The performance parameters mentioned in the specification refer to isolated components. Please fully estimate the influence of other factors when used in the whole circuit.

7.3 Sensor conductor, red is positive electrode, black is negative electrode. Pin: Long is positive, short is negative.

7.4 If you have any question about this specification, you can negotiate together.

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