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New Type of Underwater Acoustic Transducer and New Technology of Transducer
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Piezohannas
Low Frequency Piezoelectric Geophone for Seismic Detection
Type I geophone is developed by using the latest acoustic sensor technology. It is a small size, low frequency and high sensitivity acoustic sensor. It has the characteristics of low acceleration sensitivity and good anti-flow noise performance. It is widely used in earthquake detection and petroleum For exploration and other fields, the maximum working depth can reach 200m.
Main Specifications
Physical characteristics:
Dimensions Φ18×48 mm
Weight 15g
Discharge volume 28ml
Temperature characteristics:
Operating temperature 0℃~50℃
Storage temperature -10℃~70℃
Sensitivity:
Voltage sensitivity -194.5dB (ref: 1V/μPa)
Varies with frequency ≤±1.5 dB
Change with depth ≤1.5 dB
Change with temperature ≤1.5 dB
Change with temperature ≤1.5 dB
Acceleration sensitivity ≤2mV/g (X, Y, Z direction)
Phase consistency ≤1.5° Distortion <-70dB (@20Hz, 0.5mbar)
Electrical characteristics
Frequency range 10Hz~1000Hz
Static capacitance 16000pF±10% (measured at 20℃, 1KHz)
Insulation resistance ≥200MΩ (20℃, relative humidity 100% measurement)
Low Frequency Piezoelectric Geophone for Seismic Detection
Type I geophone is developed by using the latest acoustic sensor technology. It is a small size, low frequency and high sensitivity acoustic sensor. It has the characteristics of low acceleration sensitivity and good anti-flow noise performance. It is widely used in earthquake detection and petroleum For exploration and other fields, the maximum working depth can reach 200m.
Main Specifications
Physical characteristics:
Dimensions Φ18×48 mm
Weight 15g
Discharge volume 28ml
Temperature characteristics:
Operating temperature 0℃~50℃
Storage temperature -10℃~70℃
Sensitivity:
Voltage sensitivity -194.5dB (ref: 1V/μPa)
Varies with frequency ≤±1.5 dB
Change with depth ≤1.5 dB
Change with temperature ≤1.5 dB
Change with temperature ≤1.5 dB
Acceleration sensitivity ≤2mV/g (X, Y, Z direction)
Phase consistency ≤1.5° Distortion <-70dB (@20Hz, 0.5mbar)
Electrical characteristics
Frequency range 10Hz~1000Hz
Static capacitance 16000pF±10% (measured at 20℃, 1KHz)
Insulation resistance ≥200MΩ (20℃, relative humidity 100% measurement)
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