Description
Industrial-Grade Proximity Sensor: 21000-28-05-00-105-04-02
Complete Suffix Code Breakdown for 21000-28-05-00-105-04-02
- 28 – ATEX/IECEx Certified Probe
- Approvals: Zone 1/21, Group IIC
- Temperature Range: -40°F to +250°F (-40°C to +121°C)
- 05 – Short-Length Signal Cable
- Length: 0.5m (20 in) with Teflon® Insulation
- Voltage Rating: 300V AC/DC Continuous
- 00 – Direct Mount Configuration
- Installation: Requires 3/4-14 NPT Female Thread Port
- 105 – Extended Penetration
- Depth: 10.5 in (267mm) ±0.5 in
- Alignment: Requires Triple Sleeve Supports (Included)
- 04 – High-Pressure Fitting
- Component: 3/4-14 NPT Explosion-Proof Plug
- Material: 316 Stainless Steel with PTFE Seal
- 02 – Mounting Interface
- Thread Spec: 3/4-14 NPT Tapered
- Torque Requirement: 40-50 lb-ft (54-68 Nm)
Technical Specifications
- Performance Data
- Frequency Response: 0.5 Hz–25 kHz (±1.5dB)
- Linearity: ±0.35% of Full Scale Output
- Resolution: 0.05 μm RMS
- Industrial Connectivity
- Output Signal: 4-20mA + HART® 7.4
- Power Supply: 12-36 VDC (Intrinsic Safety Certified)
- Environmental Resilience
- IP68/IP69K Dual Certification
- Chemical Resistance: Resists H2S, CO2, and Salt Fog
Industry 4.0 Application Case
Critical monitoring component in subsea oil & gas Christmas trees, providing real-time valve stem position feedback at 3,000m depth with 5,000 PSI ambient pressure.
Certifications & Compliance
- API 670 5th Edition Annex D (Subsea Systems)
- DNVGL-RP-0170 NORSOK Compliance
- ATEX Directive 2014/34/EU Category 1
Full Package Contents
- Pre-calibrated explosion-proof probe assembly
- Subsea-grade pressure-resistant fittings
- Marine corrosion inhibitor kit
- Digital calibration certificate (ISO/IEC 17025)
Technical Support: Contact sales@ubestplc.com for subsea installation protocols











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