4MHz Ultrasonic Transducer for Underwater Depth Measurement
Product Description
3MHz Stainless Steel Piezoelectric Ultrasonic Transducer for Ultrasonic Flowmeter
Technical parameters:
Items |
Technical Parameters |
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Name |
4MHz underwater ultrasonic transducer |
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Model |
PHW-4M |
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Frequency |
4MHz±5% |
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Detecting distance |
0.01 ～ 1m |
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Minimum Parallel lmpedance |
2.5Ω±20％ |
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3400pF±20％ @1KHz |
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Sensitivity |
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Peak Voltage＜75Vpp |
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-40～+80℃ |
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≤10Kilos or 1MPa |
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(Beamwidth)Half-power Beam Width@-3dB:1.2±10%， Sharp Angle:3.0±10% |
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Housing Material |
composite material |
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Usage |
Underwater distance measurement |
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Install size |
See product structure drawing for details |
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Protection Level |
IP68 |
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Weight |
20.8g±5％（Length：1m） |
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Wiring Instructions |
Red: transducer +, white: transducer -, black: shielded wire; ( temperature sensor is optional) |
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Admittance Curve |
Product Structure Diagram |
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Block diagram of ultrasonic transducer :
Schematic Diagram of Temperature Sensor (model: MF58_502F3470):
Integrated type Cable instruction:
1.Wiring instruction of transducer: interface (3pin, 2.54mm terminal)
Red: transducer +
White: transducer -
Black: shielding
2.Cable Instruction of Temperature Sensor: interface (3pin, 2.0mm terminal)
Red and black are temperature sensor wiring
Split type: standard 10m cable, with each additional 50m of cable, the signal attenuation is 6dB
Three-core wiring instructions:
Red: Transducer +
Blue: temperature sensor +
Black: Public-
Four-core wiring instructions:
Red: Transducer +
Yellow: Transducer-
Blue, black: temperature sensor