ICP® FREE-FIELD PRESSURE SENSOR Model 137B21B

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

	ENG	SI
Performance
Measurement Range	1000 psi	6895 kPa
Sensitivity (±15 %)	1 mV/psi	0.145 mV/kPa
Maximum Pressure	5000 psi	34474 kPa
Resolution [2]	8.5 mpsi	0.059 kPa
Resonant Frequency	≥400 kHz	≥400 kHz
Rise Time (Incident)	≤6.5 µ sec	≤6.5 µ sec
Non-Linearity [1]	≤1.0 % FS	≤1.0 % FS
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 Element	Quartz	Quartz
Housing Material	Aluminum	Aluminum
Diaphragm	Invar	Invar
Sealing	Epoxy	Epoxy
Electrical Connector	BNC Jack	BNC Jack
Weight [2]	4 oz	352 gm

* All specifications are at room temperature unless otherwise specified.

Specification Notes

[1] Zero-based, least-squares, straight line method.

[2] Typical.

[3] See PCB Declaration of Conformance PS023 for details.

Accessories

Supplied
PCS-1AZ		0
085A43	Connector protector for series 137B2xA	1