TRANSMITTER, ULTRASONIC, 25KHZ, 18MM

250ST180

Manufacturer Part Number250ST180
DescriptionTRANSMITTER, ULTRASONIC, 25KHZ, 18MM
ManufacturerPROWAVE
250ST180 datasheet
 


Specifications of 250ST180

Sensor TypeTransmitterSensitivity112dB
Beam Divergence95°External Diameter18.2mm
Operating Temperature Range-30°C To +80°CSvhcNo SVHC (18-Jun-2010)
Angle95°Frequency25kHz
Capacitance2400pFRohs CompliantYes
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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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
Storage Temperature
All specification taken typical at 25 C
Closer frequency tolerance can be supplied
upon request.
Model available:
1
250ST/R180
Aluminum Housing
2
250ST/R18B
Black Al. Housing
Supplied by Midas Components Ltd - 01493 602602 - www.midascomponents.co.uk
Dimensions:
Impedance/Phase Angle vs. Frequency
Tested under 1Vrms Oscillation Level
250SR180 Impedance
250SR180 Phase
250ST180 Impedance
250ST180 Phase
100000
10000
Transmitter
Receiver
1000
25.0 1.0Khz
100
20
1.5Khz
1.8Khz
112dB min.
Sensitivity/Sound Pressure Level
Tested under 10Vrms @30cm
-50
-55
-62dB min.
-60
-65
-70
2400 pF
-75
-80
-85
20Vrms
-90
20
21
95 typical
-30 to 80 C
-40 to 85 C
Beam Angle
Tested at 25.0Khz frequency
250ST/R180
dimensions are in mm
21
22
23
24
25
26
27
28
29
Frequency (Khz)
22
23
24
25
26
27
28
29
Frequency (Khz)
0
330
30
0
-6
300
60
-12
-18
-24
-30
270
90
240
120
210
150
180
90
75
60
45
30
15
0
-15
-30
-45
-60
-75
-90
30
130
125
120
115
110
105
100
95
90
30

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 ...