Proximity Probe – Housing Assembly 21000-28-05-00-076-04-02

Description

Industrial Proximity Sensor: 21000-28-05-00-076-04-02

Complete Suffix Code Analysis for 21000-28-05-00-076-04-02

• 28 – Hazardous Area Certified Probe
  • Type: 3300 XL 8mm with ATEX/IECEx/CSA certifications
  • Approvals: Class I Div 1 Groups C/D, Zone 1 (Ex ia IIC T4 Ga)
  • Temperature Range: -50°C to +85°C (-58°F to +185°F)
• 05 – Short-Length Industrial Cable
  • Length: 0.5m (20″) with dual-layer shielding (foil + braid)
  • Voltage Rating: 300V AC/DC, 90°C max continuous
  • Flexibility: 10 million bend cycles (IEC 61076-2-101)
• 00 – Direct Mount Configuration
  • Installation: Requires 3/4-14 NPT female threaded port
  • Surface Finish: 32 µin Ra on mounting interface
• 076 – Extended Penetration
  • Depth: 7.6″ (193mm) ±0.3″ with ±0.5° angular alignment
  • Resonance Control: Triple sleeve support system included
  • Installation Note: Requires 0.5″ counterbore for clearance
• 04 – High-Pressure Connection
  • Component: 3/4-14 NPT plug (316 stainless steel)
  • Seal: Helicoflex® metal spring-energized seal
  • Pressure Rating: 2,500 psi (172 bar) @ 150°C
• 02 – Mounting Interface
  • Thread Spec: 3/4-14 NPT tapered (ASME B1.20.1)
  • Torque Spec: 35-45 lb-ft (47-61 Nm) with anti-seize compound

Technical Parameters

• Electrical Performance
  • Output Signal: 4-20mA + HART® 7.5 digital protocol
  • Frequency Response: 0.1Hz–25kHz (±1dB)
  • Linearity: ±0.12% of FSO (Full Scale Output)
• Mechanical Resilience
  • Vibration Resistance: 12g RMS (10-2000Hz per API 670)
  • Shock Survival: 75g peak (11ms half-sine)
  • Ingress Protection: IP69K (100 bar water jet/steam cleaning)
• Environmental Compliance
  • Material Certifications: NACE MR0175/ISO 15156
  • Chemical Resistance: Compatible with H2S, CO2, and chlorides

Industrial Automation Application

Critical component in refinery centrifugal compressors for real-time shaft position monitoring, achieving ±5μm accuracy in hydrocarbon environments with 15ppm H2S concentration and 100°C operating temperatures.

Certifications & Compliance

• API 670 5th Edition Annex A (Machinery Protection)
• IEC 60079-0:2017 Explosive Atmospheres
• ISO 13373-2:2016 Vibration Condition Monitoring
• ATEX Directive 2014/34/EU Category 1G

Package Contents

• Pre-calibrated probe assembly with P/N label
• Explosion-proof NPT plug kit (incl. thread sealant)
• Installation torque guide (API 670 compliant)
• CSA/ATEX certification documents

Technical Support: Contact sales@ubestplc.com for SIL2/3 loop validation.

Check official datasheet to know more detailed information: 21000- 24701- and 164818 Proximity Probe Housing Assemblies Datasheet

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