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
bar
per 10Vrms at 30cm
120dB min.
Receiving Sensitivity
at 40.0Khz 0dB = 1 volt/
bar
-65dB min.
Capacitance at 1Khz
20%
2400 pF
Max. Driving Voltage (cont.)
20Vrms
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 1Vrms Oscillation Level
400SR160 Impedance
400SR160 Phase
400ST160 Impedance
400ST160 Phase
Sensitivity/Sound Pressure Level
Tested under 10Vrms @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)
Air Ultrasonic Ceramic Transducers
400ST/R160
400SR160 Receiver
Sensitivity Variation vs. Loaded Resistor
Center Frequency Shift vs. Loaded Resistor
Sensitivity Variation vs. Temperature
Center Frequency Shift vs. Temperature
400ST160 Transmitter
SPL Variation vs. Driving Voltage
Center Frequency Shift vs. Driving Voltage
SPL Variation vs. Temperature
Center Frequency Shift vs. Temperature
-80
-75
-70
-65
-60
-55
-50
-45
-40
1K
3.9K
10K
39K
100K
390K
Loaded Resistor (Ohm)
Sensitivity (dB)
85
90
95
100
105
110
115
120
125
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
Vrms
SPL (dB)
90
95
100
105
110
115
120
125
130
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90 100
Temperature (Degree C)
SPL (dB)
-80
-75
-70
-65
-60
-55
-50
-45
-40
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90
100
Temperature (Degree C)
Sensitivity (dB)
-5.0
-4.0
-3.0
-2.0
-1.0
0.0
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
Vrms
Fc Variation %
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
1K
3.9K
10K
39K
100K
390K
Loaded Resistor (Ohm)
Fc Variation %
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
-40
-30 -20
-10
0
10
20
30
40
50
60
70
80
90
100
Temperature (Degree C)
Fc Variation %
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
-40
-30 -20
-10
0
10
20
30
40
50
60
70
80
90
100
Temperature (Degree C)
Fc Variation %
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