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ICP® Pressure Sensor
Model 121A41
Intrinsic safe ICP pressure sensor, 100 psi, 50 mV/psi, case isolated, 2-pin connector, temp to 250F
- Measurement Range: (for ±5V output) 100 psi (689.5 kPa)
- Sensitivity: (±15%) 50 mV/psi (7.25 mV/kPa)
- Low Frequency Response: (-5%) 0.5 Hz
- Resonant Frequency: >=60 kHz
- Electrical Connector: 2-Pin MIL-C-5015
- Weight: 2.7 oz (75.6 gm)
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PERFORMANCE
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ENGLISH |
SI |
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Measurement Range (for ±5V output)
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100 psi
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Sensitivity (±15 %)
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50 mV/psi
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Maximum Pressure
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8 kpsi
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Resolution
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4 mpsi
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Resonant Frequency
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≥ 60 kHz
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Rise Time (Reflected)
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≤ 4 µ sec
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Low Frequency Response (-5 %)
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0.5 Hz
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Non-Linearity
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≤ 2.0 % FS
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ENVIRONMENTAL
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Acceleration Sensitivity
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≤ 0.05 psi/g
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Temperature Range (Operating)
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-65 to 250 °F
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Hazardous Area Approval
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CSA (C-US) NRTL - Canadian Standards Association
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| CSA (C-US) NRTL - Canadian Standards Association |
[1][2][4][7] |
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Hazardous Area Approval
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ATEX
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ELECTRICAL
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Output Polarity (Positive Pressure)
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Positive
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Discharge Time Constant (at room temp)
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≥ 1.0 sec
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Excitation Voltage
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22 to 28 VDC
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Constant Current Excitation
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2 to 20 mA
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Output Impedance
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<100 ohm
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Output Bias Voltage
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10 to 15 VDC
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Electrical Isolation
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≥ 108 ohm
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PHYSICAL
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Sensing Geometry
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Compression
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Sensing Element
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Quartz
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Housing Material
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316L Stainless Steel
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Diaphragm
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316L Stainless Steel
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Sealing
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Welded Hermetic
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Electrical Connector
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2-Pin MIL-C-5015
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Weight
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2.7 oz
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All specifications are at room temperature unless otherwise specified.
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| NOTES: |
| [1] |
AEx ia IIC T4, DIV1 CL1 GR A-D |
| [2] |
AEx nA IIC T4, DIV2 CL1 GR A-D |
| [3] |
Due to high sensitivity, the static pressure should be applied and removed very slowly. Rate should prevent more than 10 Volt change in output until Output Bias Voltage returns to normal (approximately 15 times discharge time constant). |
| [4] |
Ex ia IIC T4, DIV1 CL1 GR A-D |
| [5] |
Ex ia IIC T4. |
| [6] |
Ex nA IIC T4. |
| [7] |
Ex nL IIC T4, DIV2 CL1 GR A-D |
| [8] |
Ex nL IIC T4. |
| [9] |
See PCB Declaration of Conformance PS059 for details. |
| [10] |
Zero-based, least-squares, straight line method. |
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View Spec Sheet: 121A41_C.pdf
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