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Sensors And Accessories

  • Products Introduction
  • Technical Parameters
  • Application Areas
Use measurable underwater shock wave pressure combined with measurement systems, such sensors sensitive to changes in the use of volume tourmaline crystal, suspended and sealed in a sealed oil-filled vinyl tube, sensor-integrated circuit amplifier. This underwater shock wave pressure sensor has no resonance, high-voltage output characteristics can drive long cables.
Model
Unit
137A23
137A22
137A21
Dynamic Range
KPa
0.34~345
0.69~3450
6.9~6900
Sensitivity
pC/kPa
14.5
1.45
0.145
Resolution
kPa
0.035
0.069
0.69
Range (5V output)
kPa
345
3450
6900(1V)
Range (10V output)
kPa
690
6900
34500(5V)
Max Pressure
kPa
6900
34500
Linear
%FS
≤1
Resonant Frequency
KHz
≥500
Rise time
%FS
≤4
Discharge Time Constant
s
≥0.2
Acceleration Sensitivity
kPa/m/s2
≤0.0014
≤0.035
Temperature Range
-73~+135
Temperature Coefficient
%/℃
≤0.054
Polarity
V
+
Output Impedance
Ω
≤100
Power Supply
VDC/mA
20-30VDC/2-20mA
Output Bias
V
14~18
8~14
Connector
Species
BNC
For free field explosion pressure measurement. Humans and other objects used to measure the effect of the shock effect. Use the quartz components with acceleration compensation, built-in IC amplifier that can drive long cables, with good stability and low thermal sensitivity.

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