BENTLY 135137-01

  • Multi-Sensor Flexibility: Supports proximity transducers, RPTs, and LVDTs for versatile machinery monitoring.
  • Dual-Channel Operation: Each pair of channels can monitor two parameters simultaneously (e.g., axial position + differential expansion).
  • Hazardous Area Compliance: Certified for use in explosive environments, ensuring safety in oil & gas and petrochemical industries.
  • Hot-Swap Capability: Enables module replacement without system shutdown, minimizing downtime.
  • Case Study: A power plant reduced unplanned outages by 25% using the 135137-01 to detect early-stage axial displacement in steam turbines.
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Description

BENTLY 135137-01 Position I/O Module

1. Product Description

The BENTLY 135137-01 is a high-performance Position I/O Module designed for the 3500 Machinery Protection System, specializing in real-time monitoring of critical machinery parameters such as axial position, differential expansion, and valve position. It integrates seamlessly with BENTLY’s Proximitor sensors, LVDTs (Linear Variable Differential Transformers), and rotary potentiometers to provide precise measurements in harsh industrial environments. With dual-channel functionality and explosion-proof certifications (e.g., ATEX, FM), the 135137-01 ensures reliable operation in hazardous zones while supporting analog and digital signal conditioning for proactive maintenance and process optimization.

2. Product Parameters

Parameter Specification
Product Type 3500/45 Position Monitor Module (4-channel)
Input Signal -10 VDC to +10 VDC (analog), digital signals
Power Requirements 24 VDC (external), 115/230 VAC (module)
Temperature Range -40°C to +70°C (-40°F to 158°F)
Dimensions 24.1 cm × 2.4 cm × 9.9 cm (9.5 in × 0.94 in × 3.9 in)
Weight 0.82 kg (1.8 lb)
Alarm Configuration User-configurable alert/danger thresholds
Certifications CE, RoHS, API 670, ATEX, FM, DNV

3. Advantages and Features

  • Multi-Sensor Flexibility: Supports proximity transducers, RPTs, and LVDTs for versatile machinery monitoring.
  • Dual-Channel Operation: Each pair of channels can monitor two parameters simultaneously (e.g., axial position + differential expansion).
  • Hazardous Area Compliance: Certified for use in explosive environments, ensuring safety in oil & gas and petrochemical industries.
  • Hot-Swap Capability: Enables module replacement without system shutdown, minimizing downtime.
  • Case Study: A power plant reduced unplanned outages by 25% using the 135137-01 to detect early-stage axial displacement in steam turbines.

4. Application Areas and Use Cases

  • Industries: Oil & gas, power generation, petrochemical, manufacturing.
  • Key Applications:
    • Axial position monitoring in turbines and compressors.
    • Differential expansion tracking in rotating machinery.
    • Valve position control in process systems.

5. Competitor Comparison

The 135137-01 outperforms alternatives with:
  • Wider Sensor Compatibility: Supports LVDTs and RPTs, unlike many single-sensor modules.
  • Enhanced Safety: Multiple explosion-proof certifications for use in Zone 0/1/2.
  • Higher Precision: Maintains ±0.1% accuracy for analog inputs.

6. Selection Recommendations

  • Compatibility: Ensure integration with existing 3500 Series racks and sensors.
  • Environment: Verify temperature and hazardous area ratings match site conditions.
  • Scalability: Choose based on channel requirements (e.g., 4 channels for large-scale systems).

7. Precautions

  • Sensor Calibration: Use BENTLY-approved sensors and recalibrate annually.
  • Installation: Follow API 670 guidelines for wiring and grounding.
  • Firmware Updates: Regularly update firmware for optimal performance.

 

Shanxi XinyeDa International Trade Co., Ltd. supplies BENTLY 135137-01 and automation spare parts. Visit www.xydcontrol.com or contact us for sales and technical support.
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