400ST-R120 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – Air Ultrasonic Ceramic Transducers

Air Ultrasonic Ceramic Transducers
400ST/R120
Dimensions: dimensions are in mm
Specification
Impedance/Phase Angle vs. Frequency
Tested under 1Vrms Oscillation Level
400SR120 Impedance
400SR120 Phase
400ST120 Impedance
400ST120 Phase
400ST120
Transmitter
400SR120
Receiver
Center Frequency
40.0±1.0Khz
Bandwidth (-6dB) 400ST120 2.0Khz
400SR120 2.0Khz
Transmitting Sound Pressure
Level
at 40.0Khz; 0dB re 0.0002µbar
per 10Vrms at 30cm
Receiving Sensitivity
at 40.0Khz 0dB = 1 volt/µbar
Capacitance at 1Khz ±20%
115dB min.
-67dB min.
2400 pF
Max. Driving Voltage (cont.) 20Vrms
Total Beam Angle -6dB
Operation Temperature
Storage Temperature
85° typical
-30 to 80°C
-40 to 85°C
All specification taken typical at 25°C
Closer frequency tolerance can be supplied
upon request.
100000
10000
1000
100
90.0
75.0
60.0
45.0
30.0
15.0
0.0
-15.0
-30.0
-45.0
-60.0
-75.0
-90.0
35 36 37 38 39 40 41 42 43 44 45
Frequency (Khz)
Sensitivity/Sound Pressure Level
Tested under 10Vrms @30cm
-50
130
-55
125
-60
120
-65
115
-70
110
-75
105
-80
100
-85
95
-90
90
35 36 37 38 39 40 41 42 43 44 45
Frequency (Khz)
Beam Angle: Tested at 40.0Khz frequency
Model available:
1 400ST/R120
2 400ST/R12B
Aluminum Housing
Black Al. Housing
330
300
270
0
30
0
-6
-12
60
-18
-24
-30
90
240
120
210
150
180
Supplied by Midas Components Ltd - 01493 602602 - www.midascomponents.co.uk