4MHz Ultrasonic Transducer for Underwater Depth Measurement
Product Description
3MHz Stainless Steel Piezoelectric Ultrasonic Transducer for Ultrasonic Flowmeter
Technical parameters:
Items | Technical Parameters | Image | |
Name | 4MHz underwater ultrasonic transducer |
| |
Model | PHW-4M | ||
Frequency | 4MHz±5% | ||
Detecting distance | 0.01 ～ 1m | ||
Minimum Parallel lmpedance | 2.5Ω±20％ | ||
3400pF±20％ @1KHz | |||
Sensitivity | |||
Peak Voltage＜75Vpp | |||
-40～+80℃ | |||
≤10Kilos or 1MPa | |||
| (Beamwidth)Half-power Beam Width@-3dB:1.2±10%， Sharp Angle:3.0±10% | ||
Housing Material | composite material | ||
Usage | Underwater distance measurement | ||
Install size | See product structure drawing for details | ||
Protection Level | IP68 | ||
Weight | 20.8g±5％（Length：1m） | ||
Wiring Instructions | Red: transducer +, white: transducer -, black: shielded wire; ( temperature sensor is optional) | ||
Admittance Curve | Product Structure Diagram | ||
| |||
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