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Industrial vibration sensor Amphenol PC421AR-20-IS suitable for continuous machine condition tracking

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Industrial vibration sensor Amphenol PC421AR-20-IS suitable for continuous machine condition tracking

Description : Vibration Sensors RoHS

Mfr. Part # : PC421AR-20-IS

Model Number : PC421AR-20-IS

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Wilcoxon Sensing Technologies 4-20 mA LPS Series Transducer Selection Guide

Product Overview
Wilcoxon's 4-20 mA Loop Powered Sensors (LPS) are self-contained vibration transmitters designed to integrate directly with Programmable Logic Controllers (PLCs) or Distributed Control Systems (DCS). This capability allows plant personnel to input vibration information directly into their control systems, enabling continuous monitoring of critical machinery, trending of overall vibration data, correlation with plant operating conditions, and proactive scheduling of maintenance tasks. LPS transducers provide a simple, reliable, and cost-effective means to monitor machine health, prevent failures, and support Condition Based Maintenance (CBM) programs, even in the absence of dedicated vibration analysis technicians.

Key Benefits:

Direct integration with PLC/DCS for real-time vibration monitoring.
Enables trending of overall vibration levels and correlation with operating conditions.
Supports Condition Based Maintenance (CBM) programs.
Cost-effective and convenient machine health monitoring.
Available with various output signal types (peak, true peak, RMS) and measurement units (velocity, acceleration).
Specialized frequency-banded options for targeted diagnostics (low frequency for imbalance/alignment, high frequency for cavitation).
Dual output options for simultaneous vibration and temperature or dynamic signal monitoring.
Certified for hazardous area installations (Intrinsically Safe and Explosion Proof).

Application Scenarios:

Predictive maintenance and vibration monitoring of industrial machinery.
Monitoring critical plant assets for early detection of issues like shaft misalignment, rotor imbalance, gear failure, and bearing faults.
Applications requiring integration with existing plant control systems (PLC/DCS).
Environments with hazardous area classifications.
Trending overall vibration for general machine health assessment.
Targeted monitoring of low-frequency (imbalance, alignment) or high-frequency (cavitation) vibration issues.

Product Attributes

Brand: Wilcoxon Sensing Technologies
Series: LPS (Loop Powered Sensors)
Origin: USA
Certifications: CSA (U.S. & Canada), LCIE ATEX

Technical Specifications

Model Series	Output Type	Measurement Unit	Full Scale Ranges (ips/g)	Special Features / Certifications
PC420 / PCC421 / PCC423	4-20 mA Loop Output	Velocity (VP, VR, VTP) or Acceleration (AP, AR, ATP)	0-0.5, 0-1.0, 0-2.0, 0-5.0 ips (Velocity) 0-0.5, 0-1.0, 0-2.0, 0-3.0, 0-5.0 g (Acceleration)	Top Exit, Side Exit, Integral Cable, Hazardous Area (IS, EX)
PC420 / PCC421 / PCC423	Dual Output (4-20 mA + Dynamic)	Velocity (VR) or Acceleration (AR)	0-1.0, 0-2.0, 0-5.0 ips (Velocity) 0-5.0, 0-10.0, 0-20.0 g (Acceleration)	Dynamic output: 100 mV/ips or 100 mV/g
PC425 / PC427	4-20 mA Loop Output with Temperature	Velocity (VP, VR, VTP) or Acceleration (AP, AR, ATP)	0-0.5, 0-1.0, 0-2.0, 0-5.0 ips (Velocity) 0-0.5, 0-1.0, 0-2.0, 0-3.0, 0-5.0 g (Acceleration)	Includes temperature sensor
PC420VP-10-B3041	4-20 mA Loop Output	Velocity (Peak calibrated)	0-1.0 ips	Frequency Banded: 3 Hz - 40 Hz (for balance/alignment)
PC420AR-10-B3223	4-20 mA Loop Output	Acceleration (RMS calibrated)	0-10 g	Frequency Banded: 300 Hz - 2,000 Hz (for pump cavitation)
Hazardous Area Models	4-20 mA Loop Output	Velocity or Acceleration	Various ranges available	Intrinsically Safe (IS): CSA Class 1, Div 1, GRPS A, B, C, D T3C; ATEX EEx ia IIC T3 Explosion Proof (EX): CSA Class 1, 2, 3 Div 1, 2 GRPS A, B, C, D, E, F, G T3C; ATEX EEx d IIC T3 / EEx nA IIC T3

Note: Not all models have all options available. Refer to individual data sheets for complete option availability. Integral cable sensors come standard with 16 feet of cable; alternative lengths are available upon request.

2412111044_Amphenol-PC421AR-20-IS_C3319077.pdf

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