TXR-33900 - Eddy Current Vibration Probe - 90mV/mm/s IP67 Stainless Industrial Sensor

1. Ultra-Rugged Triaxial Vibration Sensor Overview​

The Metrix TXR-33900 is a high-performance triaxial accelerometer engineered for extreme industrial environments requiring precision vibration monitoring. Featuring a ​hermetically sealed titanium housing​ with ​integral mineral-insulated cable, this sensor operates continuously at ​​+150°C (33900 suffix)​​ with peak tolerance to ​​+350°C. Its ​triaxial IEPE design​ delivers ​​±100g range per axis​ with ​50mV/g sensitivity​ and ​​<1% cross-axis sensitivity. Certified for ​ATEX/IECEx Zone 0/21​ and ​SIL 3 compliance, it withstands ​10,000g shocks, ​1,500g RMS vibration, and ​IP68/IP69K environmental protection. Designed for gas turbines, rocket test stands, and nuclear facilities, it incorporates ​TEDS memory​ and ​phase-matched channels (±0.5°)​​ for critical machinery health monitoring where failure is not an option.

​2. Critical Technical Specifications​

• ​Triaxial Performance:
  Range: ±100g/axis (±0.8% FS)
  Sensitivity: 50mV/g ±2%
  Frequency Response: 0.5Hz–10kHz (±3dB)
  Noise Floor: <80μg/√Hz @ 1Hz
• ​Environmental Resilience:
  Temperature: -55°C to +150°C continuous (+350°C peak)
  Shock: 10,000g (IEC 60068-2-27)
  Vibration: 1,500g RMS (10Hz-5kHz)
• ​Electrical:
  Output: IEPE constant current (4mA @ 24V DC)
  Connector: MIL-DTL-38999 Series III
  TEDS: IEEE 1451.4 compliant
• ​Mechanical:
  Housing: Titanium Grade 5 (Ti-6Al-4V)
  Mounting: M8×1.25 threaded stud
  Cable: 2m mineral-insulated stainless steel
• ​Certifications:
  ATEX Ex ia IIC T150°C Ga
  IECEx Ex ia IIC T150°C Ga
  DNV-GL Type Approval

​3. Extreme-Duty Industrial Applications​

This sensor excels in critical monitoring scenarios:

• ​Gas Turbine Generators: Bearing vibration in 400°C exhaust streams
• ​Offshore Compressors: Zone 1 hazardous area monitoring
• ​Nuclear Reactor Coolant Pumps: Primary loop vibration surveillance
• ​Rocket Engine Test Stands: Combustion instability detection
• ​Deep-Sea Mining ROVs: Cutter head vibration at 3,000m depth
• ​Steel Continuous Casters: Mold oscillation monitoring
• ​Geothermal Wellheads: Downhole tool vibration at 300°C
• ​Military Vehicle Testing: Armored component durability validation
  Its Zone 0 certification enables deployment in continuously explosive atmospheres like hydrogen cooling systems, while titanium construction resists H₂S corrosion in sour gas applications.

​4. Functional Advantages​

• ​Triaxial Precision:
  Phase coherence ±0.5° for operational deflection shape analysis
  Auto-temperature compensation (±0.02%/°C)
• ​Hazardous Area Safety:
  Intrinsic safety barriers (Ui=5V, Ii=10mA, Pi=0.015W)
  Hermetic sealing prevents gas ingress
• ​Signal Integrity:
  Mineral-insulated cable provides 120dB EMI rejection
  Time-synchronized sampling (±5μs axis-to-axis)
• ​Mechanical Robustness:
  35kHz resonance frequency for high-fidelity capture
  Titanium housing withstands pH 1-14 chemicals
• ​Maintenance Efficiency:
  Hot-swappable MIL-SPEC connectors
  TEDS stores calibration/installation data
• ​Corrosion Defense:
  5,000hr salt spray resistance (ISO 9227)
  Passivated surface treatment

​5. Safety Operation & Diagnostics​

​Measurement Protocol:

1. ​Shear-Mode Sensing:
   • Quartz crystals generate axis-specific charge
   • Low-noise amplifiers (<100μg/√Hz)
2. ​Fault Diagnostics:

   ​Condition​	​Output Response​
   Normal	0.5-4.5V/axis (±100g)
   Sensor Fault	Clamped at 0V ±0.1V
   Cable Break	Current drop to <1.5mA
   Overload (>105g)	Saturated at ±5.2V

3. ​Explosion Protection:
   • Triple-redundant Zener barriers
   • Surface temperature limited to 150°C
   • <0.02W power dissipation

Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.

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