Product Overview
Wilcoxon Sensing Technologies' 4-20 mA LPSTM Series transducers are self-contained vibration transmitters designed to provide direct input of vibration data to 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 loop-powered sensors offer a convenient, reliable, and cost-effective solution for continuous machinery health monitoring, helping to prevent failures and reduce outages. Available in various configurations, including peak, true peak, or RMS output signals for velocity or acceleration, and with optional dual outputs for temperature or dynamic signals, these transducers are adaptable to diverse industrial environments. Specialized frequency-banded models are available for targeted diagnostics, and intrinsically safe and explosion-proof options cater to hazardous area installations.
Product Attributes
- Brand: Wilcoxon Sensing Technologies
- Product Series: LPSTM Series
- Origin: USA
- Certifications: CSA approvals for U.S. and Canada, LCIE ATEX certification
- Hazardous Area Ratings: Intrinsically Safe (IS) and Explosion Proof (EX) models available
Technical Specifications
| Model Component | Description | Details |
|---|---|---|
| Measurement Type | Vibration | Velocity or Acceleration |
| Output Signal | 4-20 mA loop powered | Correlates to average vibration |
| Output Calibration Options | Peak, True Peak, RMS | |
| Frequency Banded - Low Frequency | Model PC420VP-10-B3041 | Focuses on 3 Hz (180 RPM) to 40 Hz (2400 RPM) for balance and alignment issues. |
| Frequency Banded - High Frequency | Model PC420AR-10-3223 | Focuses on 300 Hz (18,000 RPM) to 2,000 Hz (120,000 RPM) for pump cavitation. |
| Dual Output Options | 4-20 mA vibration + Temperature; 4-20 mA vibration + Dynamic signal (100 mV/g or 100 mV/ips) | |
| Hazardous Area - Intrinsically Safe | Part numbers ending in -IS | CSA Class 1, Div 1, GRPS A, B, C, D T3C; ATEX EEx ia IIC T3 |
| Hazardous Area - Explosion Proof | Part numbers ending in -EX | CSA Class 1, Div 1, 2 GRPS A, B, C, D; Class 2, Div 1, 2 GRPS E, F, G; Class 3, Div 1, 2 T3C; ATEX EEx d IIC T3, EEx nA IIC T3 |
| Base Model Designations | PC420 | Top exit |
| PCC421 | Side exit, small size | |
| PC423 | Side exit with integral cable, small size | |
| PC425 | Side exit with temperature sensor | |
| PC427 | Side exit with temperature sensor and integral cable | |
| Range Codes | -05, -10, -20, -30, -50 | Corresponding to specific full-scale vibration levels (e.g., 0.5 ips, 1.0 ips, etc.) |
| Cabling/Connection Options | R6, M12-4, J9T2A, J10, J9T4, J9T4A, J95 | Various connector types and integral cable options |
| Integral Cable Length | Standard | 16 feet (alternative lengths available upon request) |
2412111044_Amphenol-PC421VR-30-IS_C3319059.pdf
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