ICP® FREE-FIELD PRESSURE SENSOR Model 137B22A
Quartz, free-field, ICP® blast pressure pencil probe, 500 psi, 10 mV/psi, 10-32 connector.
- Measurement Range: 500 psi (3447 kPa)
- Sensitivity: (±15%) 10 mV/psi (1.45 mV/kPa)
- Resonant Frequency: >=400 kHz
- Electrical Connector: 10-32 Coaxial Jack
- Weight: 12.4 oz (352 gm)
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ENG |
SI |
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Performance |
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Measurement Range |
500 psi |
3447 kPa |
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Sensitivity (±15 %) [3] |
10 mV/psi |
1.45 mV/kPa |
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Maximum Pressure |
5000 psi |
34474 kPa |
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Resolution [2] |
1 mpsi |
0.007 kPa |
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Resonant Frequency |
≥400 kHz |
≥400 kHz |
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Rise Time (Incident) |
≤6.5 µ sec |
≤6.5 µ sec |
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Non-Linearity [1] |
≤1.0 % FS |
≤1.0 % FS |
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Environmental |
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Temperature Range (Operating) |
-100 to +275 °F |
-73 to +135 °C |
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Temperature Coefficient of Sensitivity |
≤0.05 %/°F |
≤0.090 %/°C |
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Electrical |
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Discharge Time Constant (at room temp) |
≥0.2 sec |
≥0.2 sec |
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Excitation Voltage |
20 to 30 VDC |
20 to 30 VDC |
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Constant Current Excitation |
2 to 20 mA |
2 to 20 mA |
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Output Impedance |
≤100 Ohm |
≤100 Ohm |
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Output Bias Voltage |
8 to 14 VDC |
8 to 14 VDC |
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Physical |
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Sensing Element |
Quartz |
Quartz |
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Housing Material |
Aluminum |
Aluminum |
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Diaphragm |
Invar |
Invar |
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Sealing |
Epoxy |
Epoxy |
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Electrical Connector |
10-32 Coaxial Jack |
10-32 Coaxial Jack |
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Weight [2] |
12.5 oz |
354 gm |
* All specifications are at room temperature unless otherwise specified.
Specification Notes
[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] For +10 volt output, minimum 24 VDC supply voltage required. Negative 10 volt output may be limited by output bias.
[4] See PCB Declaration of Conformance PS023 for details.
Accessories
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Supplied |
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PCS-1AZ |
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0 |
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085A43 |
Connector protector for series 137B2xA |
1 |