250ST180 PROWAVE, 250ST180 Datasheet
250ST180
Manufacturer Part Number
250ST180
Description
TRANSMITTER, ULTRASONIC, 25KHZ, 18MM
Manufacturer
PROWAVE
Datasheet
1.250SR180.pdf
(2 pages)
Specifications of 250ST180
Sensor Type
Transmitter
Sensitivity
112dB
Beam Divergence
95°
External Diameter
18.2mm
Operating Temperature Range
-30°C To +80°C
Svhc
No SVHC (18-Jun-2010)
Angle
95°
Frequency
25kHz
Capacitance
2400pF
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Specification
250ST180
250SR180
Center Frequency
Bandwidth (-6dB) 250ST180
Transmitting Sound Pressure
Level
at 25.0Khz; 0dB re 0.0002 bar
per 10Vrms at 30cm
Receiving Sensitivity
at 25.0Khz 0dB = 1 volt/ bar
Capacitance at 1Khz
Max. Driving Voltage (cont.)
Total Beam Angle
Operation Temperature
Storage Temperature
All specification taken typical at 25 C
Closer frequency tolerance can be supplied
upon request.
Model available:
1
2
Supplied by Midas Components Ltd - 01493 602602 - www.midascomponents.co.uk
Air Ultrasonic Ceramic Transducers
250ST/R180
250ST/R18B
250SR180
Aluminum Housing
Black Al. Housing
-6dB
20%
Transmitter
Receiver
25.0 1.0Khz
1.5Khz
1.8Khz
112dB min.
-62dB min.
2400 pF
20Vrms
95 typical
-30 to 80 C
-40 to 85 C
Dimensions:
Impedance/Phase Angle vs. Frequency
Tested under 1Vrms Oscillation Level
250SR180 Impedance
250SR180 Phase
250ST180 Impedance
250ST180 Phase
Sensitivity/Sound Pressure Level
Tested under 10Vrms @30cm
Beam Angle
Tested at 25.0Khz frequency
100000
-50
-55
-60
-65
-70
-75
-80
-85
-90
10000
1000
100
20
20
21
270
21
300
240
22
dimensions are in mm
22
23
330
210
23
Frequency (Khz)
24
Frequency (Khz)
24
0
180
25
-6
-12
-18
-24
-30
0
25
26
30
150
26
27
27
60
120
90
28
250ST/R180
28
29
29
30
30
130
125
120
115
110
105
100
95
90
90
75
60
45
30
15
0
-15
-30
-45
-60
-75
-90
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250ST180 Summary of contents
Page 1
... Air Ultrasonic Ceramic Transducers Specification 250ST180 250SR180 Center Frequency Bandwidth (-6dB) 250ST180 250SR180 Transmitting Sound Pressure Level at 25.0Khz; 0dB re 0.0002 bar per 10Vrms at 30cm Receiving Sensitivity at 25.0Khz 0dB = 1 volt/ bar Capacitance at 1Khz 20% Max. Driving Voltage (cont.) Total Beam Angle -6dB Operation Temperature ...
Page 2
... Center Frequency Shift vs. Temperature 5.0 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -5.0 -40 -30 -20 - Temperature (Degree C) 250ST180 Transmitter SPL Variation vs. Driving Voltage 39K 100K 390K Center Frequency Shift vs. Driving Voltage 39K 100K 390K SPL Variation vs. Temperature 100 Center Frequency Shift vs. Temperature ...