21KHz Long Range Ultrasonic Transducer with Circuit Drive Schematics

Name

21KHz epoxy anti-corrosive transducer C type（integrated type）with circuit

Model

PHA-21-30FC  

Frequency

21KHz±5%

Detection Distance

1.0～30m

Minimum

Parallel lmpedance

1100Ω±20％

Capacitance

11000pF±20％ @1KHz

Sensitivity

Driving Voltage：560Vpp，Distance：0.6m，

Echo Amplitude：300mV

Operating

Voltage

Peak Voltage＜1500VPP

Operating

Temperature

-40～+80℃

Pressure

≤3Kilos or 0.3MPa

Angle

(Beamwidth) Half-power Beam Width

@-3dB:13°±2，

Sharp Angle:31°±4

Housing Material

PTFE

Usage

Ultrasonic level gauge,Monitoring,Crashproof,

Security

Installation

Dimension

Bottom with thread:M78×2

Protection Level

IP68

Weight

1020g±5％

Wiring Instructions

integrated type：connector（3PIN,2.54mm terminal ）：Red+，White-，Black: shielded wire；

    connector（3PIN,2.0mm terminal ）：white,black:temperature sensor（MF58）；

Admittance Curve

Product Structure Diagram