What Is the Schaller Automation Visatron VN115/87PLUS Oil Mist Detector Head and How Does It Work?

 Oil mist detectors play a crucial role in maintaining the safety and efficiency of large marine engines, turbines, and industrial machinery. One prominent example of such a device is the Schaller Automation Visatron VN115/87PLUS Oil Mist Detector Head. This advanced piece of technology is specifically designed to detect oil mist in the crankcases of engines, preventing catastrophic failures and ensuring the longevity of the equipment. In this article, we will explore what the Schaller Automation Visatron VN115/87PLUS Oil Mist Detector Head is, how it works, and why it is essential in modern mechanical systems.

Overview of the Schaller Automation Visatron VN115/87PLUS

The Schaller Automation Visatron VN115/87PLUS is a sophisticated oil mist detector head that has been widely adopted in the maritime and industrial sectors. Schaller Automation, the manufacturer, is renowned for its innovative solutions in safety and monitoring technology. The VN115/87PLUS model is an evolution of their proven oil mist detection systems, incorporating the latest advancements to enhance reliability and performance.

Key Features

  1. High Sensitivity and Accuracy: The VN115/87PLUS can detect very low concentrations of oil mist, ensuring early warning of potential issues.
  2. Robust Construction: Built to withstand harsh environments, it is suitable for use in marine and industrial applications.
  3. Real-Time Monitoring: Provides continuous monitoring of oil mist levels, allowing for immediate response to any anomalies.
  4. Integrated Alarm System: Alerts operators to rising oil mist levels, enabling proactive maintenance and prevention of engine damage.
  5. Self-Diagnostic Capabilities: The device can perform self-checks to ensure it is functioning correctly, reducing the risk of false alarms.

How Does the Visatron VN115/87PLUS Work?

Basic Principle

The primary function of the Visatron VN115/87PLUS is to detect and monitor the presence of oil mist within the crankcase of an engine. Oil mist can form due to a variety of reasons, including oil leaks, overheating, or mechanical wear. If not detected early, oil mist can lead to dangerous conditions such as explosions or fires within the engine.

Detection Mechanism

The VN115/87PLUS operates based on the principle of scattered light photometry. Here’s a step-by-step breakdown of its working mechanism:

  1. Oil Mist Entry: The detector head is installed in the crankcase where oil mist is most likely to form. As the engine operates, any oil mist generated will enter the detection chamber of the VN115/87PLUS.
  2. Light Scattering: Inside the detection chamber, a light source emits a beam of light. When oil mist particles are present, they scatter this light.
  3. Photodetector: A photodetector is positioned to capture the scattered light. The intensity of the scattered light is directly proportional to the concentration of oil mist particles in the air.
  4. Signal Processing: The photodetector converts the light intensity into an electrical signal. This signal is then processed by the device’s onboard electronics to determine the concentration of oil mist.
  5. Threshold Comparison: The processed signal is compared against predefined thresholds. If the oil mist concentration exceeds safe levels, the device triggers an alarm.

Alarm System

The VN115/87PLUS is equipped with an integrated alarm system that alerts operators to rising oil mist levels. This system can be connected to the engine control room, ensuring that any potential issues are immediately communicated to the personnel in charge. The alarms can be both visual and auditory, providing a clear indication of the need for intervention.

Importance of Oil Mist Detection

Safety

The foremost reason for installing an oil mist detector like the VN115/87PLUS is safety. Oil mist in the crankcase can ignite and cause explosions, leading to catastrophic engine failures and posing a significant risk to human life. Early detection allows for timely intervention, preventing accidents and ensuring the safety of the crew and equipment.

Engine Protection

Continuous monitoring of oil mist levels helps in identifying potential issues before they escalate. This proactive approach to maintenance can prevent severe engine damage caused by conditions such as bearing failures or overheating, which often lead to the formation of oil mist.

Regulatory Compliance

Maritime and industrial sectors are subject to stringent safety regulations. Compliance with these regulations often requires the installation of reliable oil mist detection systems. The VN115/87PLUS meets the standards set by regulatory bodies, ensuring that vessels and industrial plants remain compliant with safety norms.

Advantages of the VN115/87PLUS

Reliability

The VN115/87PLUS is designed to offer high reliability, with robust components that ensure consistent performance even in demanding environments. Its self-diagnostic capabilities further enhance its reliability by minimizing the risk of undetected failures.

Ease of Integration

The device is designed for easy integration into existing systems. It can be connected to central monitoring systems and integrated with other safety devices, providing a comprehensive safety solution.

Cost-Effective Maintenance

By enabling early detection of oil mist, the VN115/87PLUS helps in reducing maintenance costs. It allows for targeted maintenance actions, reducing the need for extensive repairs and minimizing downtime.

Conclusion

The Schaller Automation Visatron VN115/87PLUS Oil Mist Detector Head is a critical component in the safety and maintenance of large engines and industrial machinery. Its advanced detection capabilities, robust construction, and integrated alarm system make it an indispensable tool for preventing engine failures and ensuring operational safety. By continuously monitoring oil mist levels, it provides early warnings of potential issues, allowing for timely intervention and maintenance. As a result, it not only enhances safety but also contributes to the efficiency and longevity of the equipment it protects.

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