ABB PFVO142 3BSE023732R0001
This product is a High-Resolution Optical Video Probe from the Harrier series, manufactured by ABB (formerly Bentley Nevada) for its System 800xA High-Performance Process Control and Safety system.
It is a specialized sensor designed for extremely precise, non-contact measurement of vibration and position on high-speed rotating machinery like turbines and compressors.
| Parameter Category |
Details |
| Product Name |
High-Resolution Optical Video Probe |
| Manufacturer |
ABB (Bentley Nevada) |
| Part of System |
System 800xA / Harrier Vibration Monitoring Series |
| Primary Function |
Non-contact measurement of vibration, displacement, and position. |
| Measurement Principle |
Triangulation using a focused, modulated laser light source. |
| Typical Target |
Shafts, gears, and other rotating components. |
Detailed Technical Parameters
1. Optical & Electrical Characteristics
Light Source: Modulated Laser Diode.
Wavelength: Typically 650-670 nm (visible red light). The modulation is crucial for eliminating interference from ambient light.
Output Signal: The raw signal is a 4-20 mA analog output proportional to the distance between the probe tip and the target surface.
Resolution: Extremely High (Micron level). This is its key advantage over standard eddy-current probes. It can resolve minute vibrations and dynamic movements.
Standoff Distance: The optimal distance between the probe tip and the target. This is typically in the range of 50-100 mm (2-4 inches), but must be confirmed with the specific calibration sheet.
Spot Size: Very small and focused, allowing for precise measurement on specific points like shaft edges or small gears.
2. Mechanical & Physical Specifications
Connector: Typically a military-style, threaded connector to ensure a secure and reliable connection to the extension cable, protecting against vibration loosening.
Housing: Stainless Steel construction for durability and resistance to industrial environments.
Cable: The probe itself has an integral cable of a fixed length that connects to a separate extension cable (e.g., PFCL142 model).
3. Performance & Environmental Specifications
Operating Temperature Range: Typically -40°C to +85°C (-40°F to +185°F). Suitable for most industrial environments, including outdoor turbine installations.
Linearity: Very high linearity within its specified measuring range (e.g., ±0.5% of full scale).
Frequency Response: DC to >10 kHz. This allows it to capture very high-speed dynamic motion and vibration events that slower sensors would miss.
4. System Integration & Compatibility
Compatible Extension Cable: PFCL142 3BSE023733R0001 (or similar variants). The extension cable connects the probe to the monitoring system.
Compatible Proximitor / Driver: PFEA111 3BSE022366R1 or PFEA112 3BSE022367R1. This module provides power to the laser diode, demodulates the return signal, and converts it into the standard 4-20 mA output.
Compatible Frame / System: Interfaces with ABB's Harrier frames and ultimately into the System 800xA DCS for continuous monitoring, trending, and alarm management.
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