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Model: 137B32

$1,785.00 USD
(Pricing valid in US only)


Quartz, free-field, ICP® blast pressure pencil probe, front sensor is 250 psi, 20 mV/psi, rear sensor is a placebo, 4-pin connector

This 2-channel pencil probe features our highest resolution sensing element in the front location and a placebo gage in the rear location; perfect for close in measurements and detecting error sources at the same measurement point.

  • Measurement Range: 250 psi (1724 kPa)
  • Sensitivity: (±15%) 20 mV/psi (2.90 mV/kPa)
  • Resonant Frequency: >=400 kHz
  • Electrical Connector: 4-Pin
  • Weight: 16.1 oz (456 gm)

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Measurement Range (for ±5V output)250 psi1724 kPa 
Useful Overrange (for ± 10V output)500 psi3447 kPa[3] 
Sensitivity (±15 %)20 mV/psi2.90 mV/kPa[4] 
Sensitivity0 mV/psi0 mV/kPa[5] 
Maximum Pressure5000 psi34474 kPa 
Resolution0.7 mpsi0.005 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≤200 Ohm≤200 Ohm 
Output Bias Voltage8 to 14 VDC8 to 14 VDC 
Sensing GeometryCompressionCompression 
Sensing ElementQuartzQuartz 
Housing MaterialAluminumAluminum 
Electrical Connector4-Pin4-Pin[4] 
Weight16.1 oz456 gm[2] 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] For +10 volt output, minimum 26 VDC supply voltage required. Negative 10 volt output may be limited by output bias.
[4] Two identically spec'd elements spaced 10cm apart - see drawing #65310 for details. Individual calibration certs supplied for each channel.
[5] Rear element - see drawing #65310 for details.
[6] See PCB Declaration of Conformance PS023 for details.
PCS-6Calibration of Series 134, 137, and 138(2)
Optional Versions:
No optional versions
Product Documents
Additional Downloads