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PR 6423/003－030

Key Features
✔ 3mm titanium probe (M6×0.75 thread) – smallest in EPRO lineup
✔ 0.1–0.8mm range with 25mV/µm sensitivity (industry-leading)
✔ 20kHz frequency response – captures ultra-high-speed dynamics
✔ IP68 submersible & 100g vibration-proof
✔ ±0.15µm repeatability – for micron-level accuracy

Technical Highlights
Power: -18 to -24VDC

Output: -0.5 to -10VDC

Temp Range: -40°C to +150°C (short-term +180°C)

Cable: 3m standard (200m max with extension)

ATEX/IECEx versions available

Designed For
Aerospace fuel control systems

Medical high-speed drills (FDA option)

Precision robotics joint monitoring

Watchmaking gear trains

Micro-turbines (>100k RPM)

Why Choose PR6423/003-030?
50% smaller than standard 5mm probes

Titanium housing for corrosive environments

Active temp compensation (±0.02%/°C)

NIST-traceable calibration included

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1. General Specifications
Parameter Specification
Model PR6423/003-030
Type Eddy Current Proximity Sensor
Application Shaft vibration & position monitoring
Standards API 670, ISO 7919
Certifications ATEX/IECEx (optional), CE, RoHS
2. Sensor Specifications
Feature Details
Probe Diameter 3 mm (ultra-compact)
Measuring Range 0.1 to 0.8 mm
Sensitivity 25 mV/µm ±5%
Frequency Response 0 to 20 kHz (±3 dB)
Linear Range ±0.3 mm from null
Target Material Hardened steel (≥45 HRC recommended)
3. Electrical Specifications
Parameter Value
Power Supply -18 to -24 VDC (±5%)
Output Signal -0.5 to -10 VDC
Cable Length 3 m standard (extendable to 200 m)
Connector Micro-MIL (vibration-resistant)
Isolation 250 VDC channel-to-ground
4. Environmental Ratings
Condition Rating
Operating Temp. -40°C to +150°C (short-term +180°C)
Ingress Protection IP68 (submersible)
Housing Material Titanium alloy
Vibration 100 g (10-2000 Hz)
5. Mechanical Specifications
Attribute Details
Thread Standard M6×0.75
Mounting Torque 8 N·m (max)
Weight 120 g (probe assembly)
Axial Load 200 N continuous
6. Performance Metrics
Metric Value
Linearity ±0.75% FS
Repeatability ±0.15 µm
Temp. Drift ±0.02%/°C (active compensation)
7. System Components
Standard Package:

PR6423-003 probe (3mm)

3 m hybrid armored cable

HT-150 transducer (+150°C rated)

NIST-traceable calibration certificate

Options:

ATEX II 2G Ex d IIC T6

500°C ceramic cable assembly

8. Typical Applications
Micro-turbines

High-speed dental drills

Precision robotics

Aerospace fuel pumps

Watchmaking machinery