Main technical parameters：
◇longitudinal wave multi chip sensor
◇Material：PVC
◇Measure range：0.5 meter
◇Centre resonant frequency：500kHz±1kHz
◇Static electric capacity：2300P±100P
◇resonance impedance：220Ω±50Ω
◇frequency band width（-3dB）：Δf-3dB≥2kHz
◇voltage：200~350Vp-p Limiting voltage：≤500Vp-p
 ◇Launching beam angle：5°
◇Operation Temp：-40~+80℃
 ◇Blind Area：0.1~0.5m
◇Protection level：IP68
Mainly applicated in measurement areas with small wave beam angle