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quartz, free-field, icp® blast pressure pencil probe, 1000 psi, 1 mv/psi, 4-pin connector, with two outputs for t.o.a

ICP BLAST PRESSURE SENSOR

Model 137B28

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Quartz, free-field, ICP® blast pressure pencil probe, 1000 psi, 1 mV/psi, 4-pin connector, with two outputs for T.O.A

Measurement Range: 1 kpsi (6895 kPa)
Sensitivity: (±15%)1 mV/psi (.145 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] Two identically spec'd elements spaced 10cm apart - see drawing #65310 for details. Individual calibration certs supplied for each channel.
[2] Typical.
[4] See PCB Declaration of Conformance PS023 for details.

	English:	SI:
Performance
Measurement Range (for ±1V output)	1 kpsi	6895 kPa
Sensitivity (±15 %)	1 mV/psi	.145 mV/kPa	[3]
Maximum Pressure	5 kpsi	34474 kPa
Resolution	8.5 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]
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	≤100 Ohm	≤100 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]