1. General Specifications
Parameter Specification
Model PR6423/10R-131
Type Heavy-Duty ATEX Proximity Sensor System
Application Hazardous Area Machinery Monitoring
Standards API 670 (4th Ed.), ISO 7919
Certifications ATEX/IECEx Zone 1 (Ex d IIC T4), SIL 2
2. Sensor Specifications
Feature Details
Probe Diameter 10 mm (Explosion-Proof)
Measuring Range 1.2 to 5.0 mm (Field-Adjustable)
Sensitivity 4 mV/µm ±3%
Frequency Response 0 to 6 kHz (±3 dB)
Linear Range ±1.5 mm from Null
Target Material AISI 4140 Steel (≥40 HRC Recommended)
3. Hazardous Area Ratings
Parameter Value
ATEX Certification II 2G Ex d IIC T4 Gb
Temperature Class T4 (135°C Surface Temp.)
Gas Group IIC (Acetylene/Hydrogen Compatible)
Protection Level EPL Gb (Equipment Protection Level)
4. Electrical Specifications
Characteristic Specification
Power Supply -24 VDC ±1% (Intrinsically Safe)
Output Signal -5 to -22 VDC (Linear Range)
Cable System 15 m Mineral-Insulated (Standard)
Connector EPRO ExSeal™ (Double-Barrier)
Barrier Required EPRO EXB-2410 (Optional)
5. Mechanical Design
Attribute Details
Housing Material Stainless Steel 316L (Corrosion-Resistant)
Thread Standard M16×1.5 (Explosion-Proof)
Sealing Triple-Redundant (Graphite/Metal/Kalrez®)
Weight 1.2 kg (Full Assembly)
Pressure Rating 300 bar (4351 psi)
6. Environmental Performance
Condition Rating
Operating Temp. -60°C to +150°C (Continuous)
Ingress Protection IP69K (Steam Cleaning Resistant)
Vibration 75 g (10-2000 Hz)
Shock Resistance 100 g, 6 ms (IEC 60068-2-27)
7. System Accuracy
Metric Value
Linearity ±1.2% FS
Hysteresis <0.3%
Temp. Stability ±0.02%/°C (Active Compensation)
8. Ordering Information
Base Unit: PR6423/10R-131 (Includes probe, 15m cable, transducer)

Options:

/SIL3 (SIL 3 Compliant)

/C5 (Offshore Corrosion Package)

/MI (Mining Industry Version)