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Model: 121A45

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Datasheet

Intrinsic safe ICP® pressure sensor, 500 psi, 10 mV/psi, case isolated, 2-pin connector, temp to 250F

  • Measurement Range: 500 psi (3447 kPa)
  • Sensitivity: (±15%) 10 mV/psi (1.45 mV/kPa)
  • Low Frequency Response: (-5%) 0.5 Hz
  • Resonant Frequency: >=60 kHz (>=60 kHz)
  • Electrical Connector: 2-Pin MIL-C-5015
  • Weight: 2.7 oz (75.6 gm)

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 English:SI: 
Performance
Measurement Range (for ±5V output)500 psi3447 kPa 
Sensitivity (±15 %)10 mV/psi1.45 mV/kPa 
Maximum Pressure8000 psi55158 kPa 
Resolution3 mpsi0.02 kPa 
Resonant Frequency≥60 kHz≥60 kHz 
Rise Time (Reflected)≤4 µ sec≤4 µ sec 
Low Frequency Response (-5 %)0.5 Hz0.5 Hz 
Non-Linearity≤2.0 % FS≤2.0 % FS[1] 
Environmental
Acceleration Sensitivity≤0.05 psi/g≤0.035 kPa/(m/s²) 
Temperature Range (Operating)-65 to +250 °F-54 to +121 °C 
Hazardous Area ApprovalCSA (C-US) NRTL - Canadian Standards AssociationCSA (C-US) NRTL - Canadian Standards Association[2][3][4][5] 
Hazardous Area ApprovalATEXATEX[6][7][8] 
Electrical
Output Polarity (Positive Pressure)PositivePositive 
Discharge Time Constant (at room temp)≥1.0 sec≥1.0 sec 
Excitation Voltage22 to 28 VDC22 to 28 VDC 
Constant Current Excitation2 to 20 mA2 to 20 mA 
Output Impedance<100 Ohm<100 Ohm 
Output Bias Voltage8 to 14 VDC8 to 14 VDC 
Electrical Isolation≥100000000 Ohm≥100000000 Ohm 
Physical
Sensing GeometryCompressionCompression 
Sensing ElementQuartzQuartz 
Housing Material316L Stainless Steel316L Stainless Steel 
Diaphragm316L Stainless Steel316L Stainless Steel 
SealingWelded HermeticWelded Hermetic 
Electrical Connector2-Pin MIL-C-50152-Pin MIL-C-5015 
Weight2.7 oz75.6 gm 

All specifications are at room temperature unless otherwise specified.


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Product Notes
[1] Zero-based, least-squares, straight line method.
[2] AEx nA IIC T4, DIV2 CL1 GR A-D
[3] Ex nL IIC T4, DIV2 CL1 GR A-D
[4] AEx ia IIC T4, DIV1 CL1 GR A-D
[5] Ex ia IIC T4, DIV1 CL1 GR A-D
[6] Ex ia IIC T4.
[7] Ex nL IIC T4.
[8] Ex nA IIC T4.
[9] See PCB Declaration of Conformance PS059 for details.
Accessories:
No Accessories
Optional Versions:
No optional versions