Description:
Construction: waterproof.
Using method:dual using
Nominal frequency: 40±0.5KHz.
Sensitivity: -75ubar.
SPL: ≥108 (10 V/30 cm/sine wave).
Directivity: 45 degrees.
Capacity: 1800±30%@1KHz.
Detectable range: 0.3 to 3.5 m.
Max. Input voltage: 140 Vp-p.
Long-term storage temperature: -25°C ~ 80°C.
Long-term working temperature: -20°C ~ 80°C.
Housing material: Al.