Specifications

Features of ultrasonic sensor EFR-40RS18A:
1.High Sensitivity;
2.High Reliability;
3.Less Power Consumption;
4.Waterproof;

I. Functions of ultrasonic sensor EFR-40RS18A:
   Used for installation in car parking system to detect the obstacles.

 

II. Certifications:

 ISO9001:2000/RoHS/TS16949

  

III. Specifications of the ultrasonic sensor EFR-40/48/58RS18A:

• Nominal Frequency               (kHz)         40±1
• Capacity                                    (pf )           2000±15%
• Ring Time                                (ms)          ≤1.2
• Sound Pressure Level           (db)           109±5
• Sensitivity                                  (db)           -70±5
• Resistance                               (Ω)              500
• Directivity                                   (°)                90±5
• Max. Input Voltage                   (Vp-p)         150
• Operating Temp.Range         (^oC)            -30±80
• Storage Temp.Range            ( ^oC)           -40±85
• Weight                                       ( g )              4.8