Specifications:
Construction: open structure
Using method: transmitter/receiver
Center frequency: 23 +/- 1.0khz
Sound pressure level: 115 db min.
Sensitivity: -67 db min.
Capacitance: 2500pf +/- 20% at 1khz
Allowable input voltage: 80 vp-p
Directivity: 50 +/- 15 degree
Detectable range: 0.2 ~ 15m
Resolution: 10mm
Housing material: aluminum
Carton lined with foam tray