EPRO PR9268/202-100 Horizontal Armored Electrodynamic Vibration Velocity Sensor

The EPRO PR9268/202-100 is a heavy-duty horizontal electrodynamic velocity sensor in the premium PR9268 series, structurally and installation-wise differentiated from the axial PR9268/201-000 model. Adopting classic electromagnetic induction principle, it delivers accurate horizontal casing absolute vibration velocity measurement for rotating machinery, equipped with factory integrated stainless steel armored cable and 100 standard industrial specification. Featuring dedicated horizontal sensing orientation, enhanced mechanical shock resistance and full-frequency vibration capture capability, it effectively monitors structural vibration, mechanical looseness and bearing abnormal vibration of horizontally deployed industrial equipment. Fully compatible with MMS6000 TSI system and professional vibration signal processing modules, it serves as a core horizontal vibration monitoring solution for turbines, compressors and heavy rotating units in thermal power and petrochemical industries.

1. Horizontal Armored Structural & Installation Advantages

PR9268/202-100 adopts high-strength die-cast alloy sealed housing and precision internal spring-mass induction coil structure, optimized exclusively for horizontal vibration acquisition. Different from axial vertical measurement sensors, its internal damping and coil layout eliminates horizontal sensing dead zones, ensuring highly responsive capture of lateral casing vibration displacement and velocity. The industrial reinforced structure resists long-term field mechanical impact, oil mist erosion and ambient temperature fluctuation, maintaining stable structural rigidity in heavy-load operating environments.

Integrated with premium stainless steel armored cable, this sensor avoids external cable extrusion, friction damage and aging failure common in ordinary unarmored sensors. Designed for direct surface mounting on equipment bearing housings and casings, it requires no precise air gap adjustment or regular calibration like eddy current probes, greatly simplifying on-site commissioning. It supports one-to-one plug-and-play replacement of old PR9268 series horizontal vibration sensors, featuring low renovation difficulty and excellent field versatility for standardized horizontal monitoring points.

2. Core Horizontal Vibration Measurement Performance

Calibrated for horizontal vibration characteristics, PR9268/202-100 outputs linear voltage signals proportional to vibration velocity with stable and consistent industrial sensitivity. It covers a wide frequency response range of 4Hz–1000Hz, fully covering low, medium and high-frequency vibration fault bands of industrial rotating machinery, accurately identifying typical faults including bearing fatigue wear, structural looseness, base resonance and component friction vibration. The sensor supports large vibration amplitude tolerance, effectively preventing measurement saturation and data loss under equipment abnormal fluctuation conditions.

With optimized horizontal natural frequency and ultra-low longitudinal interference sensitivity, it filters invalid vertical vibration clutter and improves the authenticity of horizontal vibration data. It maintains ultra-low zero drift and excellent signal linearity within the full working temperature range, adapting to 24/7 uninterrupted online monitoring of heavy-duty equipment. Stable output characteristics ensure consistent data reference for long-term equipment trend analysis and fault early warning diagnosis.

3. Armored Cable & Industrial Environmental Adaptability

Equipped with industrial-grade stainless steel armored cable and high-temperature PTFE insulation layer, the sensor integrates mechanical protection, anti-aging and oil-corrosion resistance. The seamless armored structure provides all-round protection against on-site extrusion, tensile force and sharp friction damage, perfectly adapting to maintenance-intensive and mechanically complex industrial field environments. The internal high-purity induction coil maintains stable impedance parameters and signal transmission performance for long-term fixed laying.

The fully sealed IP67-grade housing structure achieves excellent dust-proof, waterproof and oil-proof performance, adapting to high-humidity, dusty and oil-mist bearing box working conditions. It withstands continuous operating vibration load and short-term mechanical impact, complying with international DIN and IEC industrial reliability standards. With wide temperature adaptability, it effectively reduces field sensor failure rate and long-term maintenance frequency.

4. Dedicated Signal Processing & System Matching Logic

PR9268/202-100 matches professional vibration conditioning modules and MMS6000 TSI system vibration cards, adopting dedicated signal filtering and amplification logic for horizontal electrodynamic vibration signals, completely different from eddy current probe demodulation and axial sensor signal processing:

• Horizontal Vibration Conditioning Module: Custom frequency band filtering algorithm suppresses vertical vibration crosstalk and industrial electromagnetic clutter, extracting pure horizontal vibration velocity signals for accurate equipment condition evaluation.

• Field Anti-interference Amplifier: Optimized for armored cable long-distance transmission, it compensates tiny signal attenuation and enhances waveform stability, ensuring consistent data output in complex field interference environments.

• TSI System Vibration Acquisition Card: Matches sensor linear output characteristics, realizing real-time horizontal vibration value calculation, threshold alarm trigger and historical vibration trend recording for unit big data analysis.

5. Core Product Selling Points & Industrial Value

• Professional Horizontal Vibration Sensing: Exclusive lateral vibration optimization design makes up for the monitoring deficiency of single axial sensors, realizing dual axial + horizontal full-structure vibration monitoring of equipment.

• Integrated Armored Cable Protection: Built-in stainless steel armor solves field cable mechanical damage risks, improving service life and operational stability in harsh industrial sites.

• 4–1000Hz Full-band Coverage: Covers all mainstream vibration fault frequencies of rotating machinery, supporting comprehensive and accurate mechanical fault diagnosis.

• Maintenance-free Field Operation: No gap adjustment and periodic calibration required after installation, reducing long-term operational and maintenance costs.

• High Industrial Environmental Reliability: Sealed waterproof and dust-proof structure with strong vibration and impact resistance, suitable for 24/7 continuous monitoring of heavy-duty units.

6. Industrial Application Scenarios

• Horizontal casing absolute vibration monitoring of large thermal power steam turbines, gas turbines and auxiliary rotating equipment

• Lateral structural vibration monitoring of petrochemical heavy-duty centrifugal compressors and process rotating machinery

• Full-structure vibration fault early warning for industrial heavy-load bearing housings and base fixed equipment

• Dual-axis vibration system upgrade and horizontal monitoring supplement for old single axial vibration monitoring systems