21Khz Long Range Ultrasonic Transducer for Level Sensor
Product Description
21Khz Long Range Ultrasonic Transducer for Level Sensor
Items | Technical Parameters | Image | |
Name | 21KHz anti-corrosive transducer C type（split type） |
| |
Model | PHA-21-30FC-F | ||
Frequency | 21KHz±5% | ||
Detection Distance | 1.0～25m | ||
Minimum Parallel lmpedance | 1100Ω±20％ | ||
11000pF±20％ @1KHz | |||
Sensitivity | Driving Voltage：560Vpp，Distance：0.6m， Echo Amplitude：270mV | ||
-40～+80℃ | |||
≤3Kilos or0.3MPa | |||
| ((Beamwidth) Half-power Beam Width @-3dB:13°±2， Sharp Angle:31°±4 | ||
Housing Material | PTFE | ||
Usage | Ultrasonic level gauge,Monitoring,Crashproof, Security | ||
The lifting thread: M38×1.5，Bottom with thread:M78×2 | |||
Protection Level | IP68 | ||
Weight | 1480g±5％（ length：10m） | ||
Wiring Instructions | separated type（four-wire）：Red: transducer+、white： transducer-、blue，black:temperature sensor（MF58）； separated type（Three-wire）：Red: transducer+、blue:temperature sensor+、black： Common Line－； | ||
Admittance Curve | Product Structure Diagram | ||
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Block diagram of ultrasonic distance transducer :
Schematic Diagram of Temperature Sensor:
Split type Cable instruction:
Standard wire is 10M, signal will attenuate 6dB for each 50M increasing of wire.
Four core wiring instructions:
Red: transducer +
Yellow: transducer -
Blue, black: temperature sensor +
Development Board Introduction (Optional):
DYSTM32F4 high frequency ultrasonic development board is based on STM32F407VGT6 microcontroller, including an onboard JLINK interface, 2 LEDs, 3 independent buttons, LCD12864 display interface, original ultrasonic transmitting circuit, original ultrasonic receiving circuit, UART asynchronous serial port + MAX232 level conversion chip, temperature sensor MF58 interface.