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Model: 137B21A

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Quartz, free-field, ICP® blast pressure pencil probe, 1000 psi, 1 mV/psi, 10-32 connector

  • Measurement Range: 1 kpsi (6895 kPa)
  • Sensitivity: (±15%) 1 mV/psi (.145 mV/kPa)
  • Resonant Frequency: >=400 kHz
  • Electrical Connector: 10-32 Coaxial Jack
  • Weight: 12.5 oz (354 gm)

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Measurement Range (for ±1V output)1 kpsi6895 kPa 
Sensitivity (±15 %)1 mV/psi.145 mV/kPa 
Maximum Pressure5 kpsi34474 kPa 
Resolution8.5 mpsi.059 kPa[2] 
Resonant Frequency≥400 kHz≥400 kHz 
Rise Time (Incident)≤6.5 µ sec≤6.5 µ sec 
Non-Linearity≤1.0 % FS≤1.0 % FS[1] 
Temperature Range (Operating)-100 to +275 °F-73 to +135 °C 
Temperature Coefficient of Sensitivity≤0.05 %/°F≤0.090 %/°C 
Discharge Time Constant (at room temp)≥0.2 sec≥0.2 sec 
Excitation Voltage20 to 30 VDC20 to 30 VDC 
Constant Current Excitation2 to 20 mA2 to 20 mA 
Output Impedance≤100 Ohm≤100 Ohm 
Output Bias Voltage8 to 14 VDC8 to 14 VDC 
Sensing GeometryCompressionCompression 
Sensing ElementQuartzQuartz 
Housing MaterialAluminumAluminum 
Electrical Connector10-32 Coaxial Jack10-32 Coaxial Jack 
Weight12.5 oz354 gm[2] 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] See PCB Declaration of Conformance PS023 for details.
085A43Connector Protector(1)
PCS-6Calibration of Series 134, 137, and 138(1)
Optional Versions:
No optional versions
Product Documents
Additional Downloads