1. General Specifications
Parameter Specification
Model PR6423/10R-111
Type Industrial Eddy Current Proximity Sensor
Application Shaft vibration & position monitoring in harsh environments
Standards API 670 (4th Ed.), ISO 7919
Certifications ATEX II 2G Ex d IIC T6, IECEx, CE, SIL 2
2. Sensor Specifications
Feature Details
Probe Diameter 10 mm (heavy-duty)
Measuring Range 1.0 to 4.0 mm (field-adjustable)
Sensitivity 5 mV/µm ±3%
Frequency Response 0 to 8 kHz (±3 dB)
Linear Range ±1.2 mm from null
Target Material AISI 4140/4340 steel (≥35 HRC recommended)
3. Electrical Specifications
Parameter Value
Power Supply -18 to -24 VDC (±5%)
Output Signal -4 to -20 VDC
Cable Length 10 m standard (extendable to 500 m)
Connector EPRO HeavyDuty™ (vibration-proof)
Isolation 1000 VDC channel-to-ground
4. Environmental Ratings
Condition Rating
Operating Temp. -50°C to +175°C (short-term +200°C)
Ingress Protection IP68 (submersible, 10m/72hrs)
Housing Material Stainless steel 17-4PH
Pressure Rating 250 bar (3626 psi)
5. Mechanical Specifications
Attribute Details
Thread Standard M12×1.5
Mounting Torque 40-50 N·m
Weight 650 g (probe assembly)
Axial Load 800 N continuous
6. Performance Metrics
Metric Value
Linearity ±1.5% FS
Repeatability ±0.5 µm
Temp. Coefficient ±0.03%/°C (passive compensation)
7. System Components
Standard Package:

PR6423-10R probe (10mm)

10 m armored cable (stainless steel braid)

HT-200 transducer (+175°C rated)

ATEX documentation package

Options:

1000 m submarine-grade cable

SIL 3 compliant version

Wireless HART module

8. Typical Applications
Offshore drilling top drives

Steel mill rolling mill stands

Mining conveyor drive shafts

Marine propulsion systems

Explosive atmosphere installations