Products

quartz, free-field, icp® blast pressure pencil probe, front sensor is 250 psi, 20 mv/psi, rear sensor is a placebo, 4-pin connector

ICP® Pressure Sensor

Model 137B32

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(Pricing valid only in the U.S.)

Units in Stock	Lead Times
More on the way	Lead Time for 1-5 is 6 Wks. Lead Time for 6-10 is 8 Wks.

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)

Specification 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] Rear element - see drawing #65310 for details.
[2] Typical.
[5] See PCB Declaration of Conformance PS023 for details.

	English:	SI:
Performance
Measurement Range (for ±5V output)	250 psi	1724 kPa
Useful Overrange (for ± 10V output)	500 psi	3447 kPa	[3]
Sensitivity (±15 %)	20 mV/psi	2.90 mV/kPa
Sensitivity	0 mV/psi	0 mV/kPa	[4]
Maximum Pressure	5 kpsi	34474 kPa
Resolution	0.7 mpsi	0.005 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]
Environmental
Temperature Range (Operating)	-100 to +275 °F	-73 to +135 °C
Temperature Coefficient of Sensitivity	≤0.05 %/°F	≤0.090 %/°C
Electrical
Discharge Time Constant (at room temp)	≥0.2 sec	≥0.2 sec
Excitation Voltage	20 to 30 VDC	20 to 30 VDC
Constant Current Excitation	2 to 20 mA	2 to 20 mA
Output Impedance	≤200 Ohm	≤200 Ohm
Output Bias Voltage	8 to 14 VDC	8 to 14 VDC
Physical
Sensing Geometry	Compression	Compression
Sensing Element	Quartz	Quartz
Housing Material	Aluminum	Aluminum
Diaphragm	Invar	Invar
Sealing	Epoxy	Epoxy
Electrical Connector	4-Pin	4-Pin
Weight	16.1 oz	456 gm	[2]