I. System-level Safety: Building a Complete Intrinsically Safe Protection System
1. System Integrity: Sensors must be used in conjunction with intrinsically safe safety barriers, isolation barriers, and other related equipment to form a complete intrinsically safe system. Connection to non-intrinsically safe circuits is strictly prohibited.
2. Explosion-proof Certification and Marking: Before installation, verify the sensor's explosion-proof marking (e.g., Ex ib I Mb) and the equipment's explosion-proof certificate to ensure they are valid and suitable for hazardous areas.
3. Cables and Grounding: Use shielded cables that meet intrinsically safe requirements. Cable entry devices must be properly sealed. The system should be equipotentially connected and grounded for lightning protection according to specifications.
II. Installation and Operation Safety: Eliminating Risks at the Source
1. Pre-installation Inspection: Inspect the sensor's appearance, the flatness of the mounting surface, and the stability of the environment to ensure good contact between the sensor and the object being measured.
2. Standard Installation: Securely install using bolts, magnetic attachment, or adhesive to avoid loosening or isolation that could lead to signal distortion. The installation direction must be strictly consistent with the direction of the vibration being measured. 3. Avoid Parasitic Oscillations: The total weight of the sensor and the measured object should be less than the weight of the measured object. The natural frequency of the installation system should be 5-10 times higher than the highest frequency being measured.
4. Prohibit Operation While Powered On: In explosive gas environments, it is strictly forbidden to open the cover or perform maintenance operations while the power is on.
III. Environmental Safety: Create Suitable Monitoring Conditions
1. Environmental Adaptability: Avoid use in humid, corrosive, high-temperature, or dusty environments. Pay attention to the sensor's operating temperature range; high-temperature environments may cause signal drift or damage.
2. Protection Rating: Ensure the sensor's protection rating (e.g., IP54) meets the on-site dustproof and waterproof requirements. Avoid exposure to moisture, oil, and corrosive gases.
IV. Maintenance and Safety: Extend Lifespan and Ensure Continuous Reliability
1. Regular Cleaning: Gently wipe the sensor housing and mounting surface with a dry cloth or brush to maintain good contact.
2. Proper Storage: When not in use, the sensor should be stored in a moisture-proof, dust-proof, and vibration-proof place.
3. Regular Inspection: It is recommended to inspect the sensor at least once a year, checking its appearance, output level, sensitivity, frequency response, and other indicators.
4. Professional Repair: When the sensor malfunctions or requires repair, consult the manufacturer or authorized distributor for professional repair. Do not attempt to disassemble it yourself.
V. Data Security and Anomaly Handling
1. Data Interpretation: Vibration signals need to be interpreted in conjunction with the equipment's operating status (such as speed and load). A single abnormal value does not necessarily indicate a fault; trend analysis is recommended.
2. Anomaly Handling: If the sensor displays an abnormality or fails to start, first check the power supply and connections. If overheating occurs, immediately turn off the power and check the heat dissipation. For anomalies that cannot be resolved independently, report them to the equipment management department immediately.
