Product Overview
Wilcoxon's LPS Series loop-powered 4-20 mA vibration transducers offer a direct interface for inputting vibration data into Programmable Logic Controllers (PLCs) or Distributed Control Systems (DCS). This enables plant personnel to trend overall vibration levels, correlate data with operating conditions, and schedule maintenance proactively, supporting Condition Based Maintenance (CBM) programs even without dedicated vibration analysis technicians. These self-contained transmitters provide a continuous vibration condition signal, allowing for critical machinery monitoring and timely maintenance scheduling to prevent failures. They are available in various configurations, including options for peak, true peak, or RMS output signals (representing velocity or acceleration), dual outputs for temperature or dynamic signals, and designs suitable for hazardous area installations.
Product Attributes
- Brand: Wilcoxon Sensing Technologies
- Product Line: LPS Series
- Origin: USA
- Certifications: CSA (U.S. and Canada), LCIE ATEX
- Hazardous Area Ratings: Intrinsically Safe (IS), Explosion Proof (EX)
Technical Specifications
| Model Component | Description | Key Features | Example Models |
|---|---|---|---|
| Transducer Type | 4-20 mA Loop Powered Vibration Transducer | Direct input to PLC/DCS, continuous monitoring, supports CBM programs. | PC420, PCC421, PCC423, PC425, PC427 |
| Measurement Output | 4-20 mA signal correlating to vibration level | Available in Peak, True Peak, or RMS calibration. | -VP (Velocity Peak), -VR (Velocity RMS), -VTP (Velocity True Peak), -AP (Acceleration Peak), -AR (Acceleration RMS), -ATP (Acceleration True Peak) |
| Measurement Units | Velocity or Acceleration | Primary measurement for machinery vibration is velocity. Acceleration is also available. | Velocity (ips), Acceleration (g) |
| Full Scale Ranges | Pre-configured, non-adjustable ranges | Selected based on normal vibration levels (10-20% of full scale) and manufacturer/ISO limits. | -05 (0.5), -10 (1.0), -20 (2.0), -30 (3.0), -50 (5.0) (units depend on measurement type) |
| Frequency Banding | Specialized transducers for specific frequency ranges | Allows focused analysis for diagnostics. | Low Frequency (Velocity): 3 Hz to 40 Hz (e.g., PC420VP-10-B3041 for balance/alignment) High Frequency (Acceleration): 300 Hz to 2,000 Hz (e.g., PC420AR-10-B3223 for pump cavitation) |
| Dual Output Options | Provides a 4-20 mA signal plus a broadband dynamic signal | Useful for portable spectrum analyzers and on-site technicians. Dynamic output can be 100 mV/g (acceleration) or 100 mV/ips (velocity). | -DA (Dynamic Acceleration), -DV (Dynamic Velocity) |
| Temperature Monitoring | Integrated temperature sensor | Provides dual output of vibration and temperature. | PC425, PC427 series |
| Hazardous Area Installations | Certified for classified environments | Supports Intrinsically Safe (IS) and Explosion Proof (EX) installations. | Intrinsically Safe: CSA Class 1, Div 1; ATEX EEx ia IIC T3 (e.g., PC420VP-10-IS) Explosion Proof: CSA Class 1, Div 1/2; ATEX EEx d IIC T3 (e.g., PC420VP-10-EX) |
| Cabling & Connections | Various connector and integral cable options | Standard integral cable length is 16'. | Top exit, Side exit (small size), Side exit with integral cable, Integral cable, M12-4, R6, J9T2A, J10, J9T4, J9T4A, J95 |
| ISO 10816 Guidance | Standard for evaluation of machine vibration on non-rotating parts. | Used for determining vibration limits and transducer selection, particularly Part 3 for industrial machines. | N/A (Guidance document) |
| Equipment Groups (ISO 10816-3) | Classification of machinery based on power and shaft height. | Helps in applying evaluation zones. | Group 1 (Large), Group 2 (Medium), Group 3 (Pumps w/ separate driver), Group 4 (Pumps w/ integrated driver) |
| Evaluation Zones (ISO 10816-3) | Qualitative assessment of vibration severity. | Zone A (New), Zone B (Acceptable), Zone C (Unsatisfactory), Zone D (Damage potential) | Zone Set 1, Zone Set 2, Zone Set 3 |
2412111044_Amphenol-PC421AP-05-IS_C3319027.pdf
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