PR6424/001-030 CON021 Emerson Proximity Sensors
Manufacturer: Emerson
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Part Number: CON021+PR6424/01
Condition：New with Original Package
Product Type: Proximity Sensors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson PR6424/001-030 CON021 Eddy Current Transducer System
The Emerson PR6424/001-030 CON021, also cataloged as the PR6424/001-030 Proximity Sensor, operates as a dedicated hardware component for non-contact displacement detection within turbomachinery monitoring systems. The multi-component hardware assembly converts target distance variations into proportional voltage outputs, enabling real-time monitoring of shaft vibration and axial position parameters.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PR6424/001-030 CON021 |
| Brand | Emerson |
| Origin | USA / Germany |
| Weight | 120 g (Signal converter net weight) |
| Dimensions | 10 mm probe tip diameter |
| Operating Temp | -35 to +180 deg C (Sensor head), -30 to +100 deg C (Converter) |
| Power Consumption | Minimal excitation draw via supply line input currents |
| Frequency Range | 0 to 20,000 Hz (-3 dB response curve) |
| Supply Voltage | -23 VDC to -32 VDC / -21 VDC to -32 VDC |
| Linear Measurement Range | ~4.0 mm nominal range |
| Initial Air Gap | 1.0 mm baseline clearance |
| Sensitivity | 4 V/mm (+/-5% tolerance margin) |
| Deviation from Linearity | +/-0.025 mm variance |
| Target Material | Ferromagnetic steel (42CrMo4 / AISI 4140 standard) |
| Protection Class | IP66 (Sensor head assembly), IP20 (Signal converter) |
| Certifications | ATEX, IECEx, CSA Intrinsic Safety Ex ia IIC T4/T6 Gb |
Process Control & DCS Instrumentation Features
The system employs a 4-20 mA loop protocol architecture alongside direct voltage paths to interface with machine protection networks. High-integrity galvanic isolation circuits prevent transient surges from crossing from the hazardous field field side into the processing racks. Dedicated channel-to-channel isolation features protect signal lines against stray currents, while specialized conditioning logic limits external impedance errors across long extension cables to maintain high-resolution sensor operation.
Frequently Asked Questions
Q: What specific metallurgical parameters must the monitored target shaft fulfill?
A: The sensor loop requires a target composed of ferromagnetic steel, optimized for 42CrMo4 or AISI 4140 compositions. The target tracking surface must have a minimum diameter of 25 mm to prevent measurement inaccuracies.
Q: How does the CON021 converter process different electrical output parameters?
A: The converter changes its scaling based on terminal block connections. It provides an output scale of -4 VDC to -20 VDC or -2 VDC to -18 VDC depending on the applied negative DC voltage supply infrastructure.
Field Installation Guidelines
Mount the CON021 signal converter directly to a standard DIN rail inside an industrial control cabinet. Thread the 10 mm probe into a rigid bracket mount to prevent structural resonance during operation. Set the initial mechanical air gap at 1.0 mm using a non-magnetic thickness tool before applying voltage to the system. Route all PTFE-insulated armored cables through grounded steel conduits, maintaining a bend radius above 35 mm. Ground the cable shield wire exclusively at the monitor panel chassis termination bar, and leave the probe head isolated from the machine ground to suppress earth loops.