Detailed Product Description
Features:
1) Function: transmitter and receiver
2) Sound pressure level: ≥95dB (30cm / 10Vrms sine
wave), 0dB=0.0002µbar
3) Sensitivity: ≥-74dB / V / μbar
4) Center frequency: 40±1.0kHz
5) Echo sensitivity: ≥150mV
6) Decay time: ≤1.3ms
7) Directivity (deg):
a) x-axis: 110±15
b) y-axis: 65±10
8) Capacitance (pf): 2,000±15%
9) Allowable max. input voltage (Vp-p): 140 (40kHz)
10) Pulse width: 0.5ms
11) Interval: 20ms
12) Mean time to failure: 50,000h
13) Operating temperature: - 40 ~ 80°C
14) Storage temperature: - 40 ~ 85°C
15) Applications: range finders, burglar alarms, automatic doors,
remote controls, ultrasonic distance meters
