Air Ultrasonic Ceramic Transducers 400ST/R160
Specification
400ST160 Transmitter
400SR160 Receiver
Center Frequency 40.0 ±1.0Khz
Bandwidth (-6dB) 400ST160 2.0Khz
400SR160 2.5Khz
Transmitting Sound Pressure
Level
at 40.0Khz; 0dB re 0.0002 µbar
per 10 Vrms at 30cm
120dB min.
Receiving Sensitivity
at 40.0Khz 0dB = 1 volt/ µbar
-65dB min.
Capacitance at 1Khz ±20% 2400 pF
Max. Driving Voltage (cont.) 20 Vrms
Total Beam Angle -6dB 55 ° typical
Operation Temperature -30 to 80 °C
Storage Temperature -40 to 85 °C
All specification taken typical at 25 °C
Closer frequency tolerance can be supplied
upon request.
Models available:
1 400ST/R160 Aluminum Housing
2 400ST/R16B Black Al. Housing
2 400ST/R10P Plastic Housing
3 400ST/R16F Al. Housing w/Solid Grid
Dimensions: dimensions are in mm
Impedance/Phase Angle vs. Frequency
Tested under 1 Vrms Oscillation Level
400SR160 Impedance
400SR160 Phase
400ST160 Impedance
400ST160 Phase
Sensitivity/Sound Pressure Level
Tested under 10 Vrms @30cm
Beam Angle: Tested at 40.0Khz frequency
0
-6
-12
-18
-24
-30
-36
0
30
60
90
120
150
180
210
240
270
300
330
-90
-85
-80
-75
-70
-65
-60
-55
-50
35 36 37 38 39 40 41 42 43 44 45
Frequency (Khz)
Sensitivity (dB)
90
95
100
105
110
115
120
125
130
SPL (dB)
100
1000
10000
100000
35 36 37 38 39 40 41 42 43 44 45
Frequency (Khz)
Impedance (Ohm)
-90
-75
-60
-45
-30
-15
0
15
30
45
60
75
90
Phase Angle (Degree)