20KHz Ultrasonic Transducer for Depth Measurement
Product Description
20KHz Ultrasonic Transducer for Depth Measurement
Technical parameters:
Items | Technical Parameters | Image | |
Name | 20KHz ultrasonic transducer |
| |
Model | PHW-20-20B | ||
Frequency | 20KHz±5% | ||
Minimum Parallel lmpedance | 330Ω±20％ | ||
11000pF±20％ @1KHz | |||
Sensitivity | No load driving voltage:350Vpp，Distance:0.7m、Echo Amplitude:3.0V | ||
-40～+80℃ | |||
≤100Kilos or 1MPa | |||
(Beamwidth)Half-power Beam Width@-3dB：74°±10%； | |||
Housing Material | ABS | ||
usage | Ranging, positioning | ||
See product structure drawing for details | |||
Protection Level | IP68 | ||
Weight | 1700g±5％（wire length：10m） | ||
Wiring Instructions | (third-line) : red: transducer +, blue: temperature sensor +, black: public -; | ||
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