Ultrasonic Sensor Measure gas Flow Rate

Model

TG020012

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Centra Working Frequency

200Khz±4%

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Bandwidth

20Khz

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Overal Sensitivity
(0dB=3Vp-p; Cycle: 8; Distance 8cm, Transmitter and Receiver)

-65dB min

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Beam Angle (-3dB Full Angle)

12±2°

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Electrostatic Capacity

2000PF±20%

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Minimal Parallel Impedance

200Ω±30%

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Maxim Operating Voltage
(Pulse Duty Cycle Ratio 2%)

<100V

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Operating Temperature

-20-70°C

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Maxim Pressure

1.6MPa

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Housing Material

PPS, others can be customized

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Protection

IP65

Static Capacitance(CP)

pF

2000±20%

Signal Sensitivity

mV

≥20

Effective bandwidth

kHz

±10

Tolerance pressure

MPa

≤0.5

Directive property

°

12±2

Operating temperature range

℃

-35~70

Storage temperature range

℃

-40~85

Item

Test Methods

Center Frequency(Fr)

Measuring radial vibration mode,Agilent 4294A Impedance analyzer

Static Capacitance(C_P)

Digital Electric Bridge (at 1KHz/1V)

Signal Sensitivity

Standard signal source output voltage 20Vp-p,3 cycles.
Rated frequency square-wave,pulse interval 3ms.
Vertical distance of transducer emitter is 60mm.
Horizontal ejection.
The peak and peak of the oscilloscope receiving voltage .

Effective bandwidth

Method to test the sensitivity of a signal at intervals of 1 KHz to test the sensitivity of the signal for a trace point, taking the change within the range of -3 dB