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Model: 123B22

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Rocket motor ICP® pressure sensor 3000 psi 1mV/psi Helium bleed water-cooled (replaceable tubes)

This new sensor replaces Model 123A22. Model 123B22 features water cooling tubes that may be replaced on site without returning the entire sensor back to PCB for service.

  • Measurement Range: 3000 psi (20685 kPa)
  • Sensitivity: (±15%) 1.0 mV/psi (0.145 mV/kPa)
  • Low Frequency Response: (-5%) 0.001 Hz
  • Resonant Frequency: >=25 kHz (>=25 kHz)
  • Electrical Connector: Integral Cable

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 English:SI: 
Performance
Measurement Range (for ± 3V output)3000 psi20685 kPa 
Sensitivity (±15 %)1.0 mV/psi0.145 mV/kPa 
Maximum Pressure5000 psi34475 kPa 
Resolution0.1 psi0.689 kPa[3] 
Resonant Frequency≥25 kHz≥25 kHz[1] 
Rise Time (Reflected)≤20 µ sec≤20 µ sec[1] 
Low Frequency Response (-5 %)0.001 Hz0.001 Hz 
Non-Linearity≤1.0 % FS≤1.0 % FS[2] 
Environmental
Acceleration Sensitivity≤0.002 psi/g≤0.0014 kPa/(m/s²) 
Temperature Range (Operating)-100 to +250 °F-73 to +121 °C[4] 
Temperature Coefficient of Sensitivity≤0.03 %/°F≤0.054 %/°C 
Maximum Flash Temperature10000 °F5538 °C 
Maximum Shock10000 g pk98070 m/s² pk 
Electrical
Output Polarity (Positive Pressure)PositivePositive 
Discharge Time Constant (at room temp)≥500 sec≥500 sec 
Excitation Voltage20 to 30 VDC20 to 30 VDC 
Constant Current Excitation2 to 20 mA2 to 20 mA 
Output Impedance≤100 Ohm≤100 Ohm 
Output Bias Voltage8 to 12 VDC8 to 12 VDC 
Physical
Housing Material17-4 Stainless Steel17-4 Stainless Steel 
DiaphragmInvarInvar 
SealingEpoxyEpoxy 
Electrical ConnectorIntegral CableIntegral Cable 
Weight (without cable)4.59 oz130 gm 
Helium Flow Rate (at 1,500 psi)40 scf/hr1.13 m³/hr 
Cable Length4 ft1.2 m 
Water Flow Rate (at 50 psi)1.2 gal/min4.5 L/min 

All specifications are at room temperature unless otherwise specified.


CE

Product Notes
[1] With helium flow.
[2] Zero-based, least-squares, straight line method.
[3] Typical.
[4] Applies to internal amplifer, not to external housing.
[5] See PCB Declaration of Conformance PS023 for details.
Accessories:
Supplied
065A15Seal, .624" OD x .553" ID x .080", brass(3)
065A72Water cooling tubes (o-ring sealed)(2)
070A08Cable adaptor (micro 10-32 jack to BNC jack)(1)
Optional Versions:
No optional versions
Product Documents
Additional Downloads