400EP250 PROWAVE, 400EP250 Datasheet
400EP250
Manufacturer Part Number
400EP250
Description
TRANSMITTER, ULTRASONIC, 40KHZ, 25MM
Manufacturer
PROWAVE
Datasheet
1.400EP250.pdf
(1 pages)
Specifications of 400EP250
Sensor Type
Transceiver
Sensitivity
-72 DB
Beam Divergence
30°
External Diameter
25mm
Operating Temperature Range
-30°C To +80°C
Svhc
No SVHC (18-Jun-2010)
Angle
30°
Frequency
40kHz
Capacitance
2400pF
Rohs Compliant
Yes
External Length / Height
12mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Specification
400EP250
Center Frequency
Bandwidth (-6dB) 400EP250
Transmitting Sound Pressure
Level
at resonant frequency; 0dB re
0.0002µbar per 10Vrms at 30cm
Receiving Sensitivity
at resonant frequency 0dB = 1
volt/µbar
Nominal Impedance (Ohm)
Ringing (ms)
Capacitance at 1Khz ±20%
Temperature Compensated Type
Max. Driving Voltage (cont.)
Total Beam Angle
Operation Temperature
Storage Temperature
All specification taken typical at 25°C
Closer frequency tolerance, shorter ringing,
wider bandwidth and temperature compensated
models can be supplied upon request.
Model available:
1
2
Air Ultrasonic Ceramic Transducers
400EP250
400EP25B
Aluminum Housing
Black Al. Housing
-6dB
Transceiver
40.0±1.0Khz
2.0Khz(FOM)
113dB min.
-72dB min.
300
1.2 max.
2400 pF
4800 pF
20Vrms
30° typical
-30 to 80°C
-40 to 85°C
Dimensions:
Impedance/Phase Angle vs. Frequency
Tested under 1Vrms Oscillation Level
Sensitivity/Sound Pressure Level
Tested under 10Vrms @30cm
Beam Angle:
100000
-50
-55
-60
-65
-70
-75
-80
-85
-90
10000
1000
100
35
35
36
270
36
300
240
37
dimensions are in mm
Tested at 40.0Khz frequency
37
38
330
210
38
Frequency (Khz)
39
Frequency (Khz)
39
0
180
40
-6
-12
-18
-24
-30
0
40
41
30
150
41
42
42
60
120
90
43
43
400EP250
44
44
45
45
90
75
60
45
30
15
0
-15
-30
-45
-60
-75
-90
130
120
110
100
90
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