143-103-000-931 Piezoelectric Pressure Transducer Vibro Meter

Vibro Meter 143-103-000-931 Piezoelectric Pressure Transducer

Key Features and Benefits

• Brand: Vibro Meter | Model: 143-103-000-931
• Extreme temperature range: -196 to +700°C operation
• High-pressure capability: up to 250 bar overload capacity
• Nuclear certification: meets NRC guide 1.20, IEEE 323-1974
• Explosion-proof certified for hazardous atmospheres
• VC2 type crystal element ensures long-term stability
• Minimal acceleration sensitivity: ≤0.05 pC/g
• Radiation resistant: no effect from gamma or neutron flux

Technical Specifications

• Sensitivity: 232 pC/bar ±5% at 2 Hz and 23°C
• Dynamic measuring range: 0.00004 to 20 bar nominal
• Frequency response: 2 to 10000 Hz ±5%
• Resonant frequency: >50 kHz for wide bandwidth
• Excellent linearity: ±1% over dynamic range
• Internal insulation resistance: min. 10⁹ Ω
• Shock resistance: 2000 g peak along sensitive axis
• No external power required - passive operation

Environmental Capabilities

• Continuous operation: -54 to +650°C (-65 to +1202°F)
• Short-term survival: -196 to +700°C (-321 to +1292°F)
• Hermetically welded INCONEL® alloy 600 construction
• Radiation immunity: 10¹¹ erg/g gamma flux, 10¹⁸ n/cm² neutron flux
• Integral mineral insulated cable for high-temperature service
• Certified for explosive atmospheres and nuclear applications

Application Areas

• Gas turbine pressure monitoring and development testing
• Nuclear power plants: PWR, APWR, BWR, ABWR, FBR, HTGR
• Primary circuit monitoring in reactor systems
• High-temperature industrial process monitoring
• Aerospace and defense pressure measurement applications
• Long-term monitoring in corrosive and radioactive environments

Mechanical Specifications

• Weight: 120 g for pressure transducer nominal
• MI cable: 50 g/m standard, 140 g/m with overbraid
• Flange mounting: Ø27.5/21 mm x 3 mm
• Integral mineral insulated cable with high-temperature connector
• LEMO or Vibro-Meter high-temperature connector options

Contact our technical team for extreme environment applications: sales@nex-auto.com