9-Meter Distance Monitoring Recommendations for Video Surveillance Equipment54

In the field of video surveillance, selecting the appropriate equipment for effective monitoring is crucial. When it comes to monitoring from a distance of 9 meters (29.5 feet), specific considerations must be taken into account to ensure optimal results.

Factors to Consider:

1. Resolution: Resolution determines the level of detail captured by the camera. For 9-meter monitoring, a resolution of at least 2 megapixels (MP) is recommended to provide sufficient image clarity for identification purposes.

2. Lens Type and Focal Length: A fixed lens provides a fixed field of view, while a varifocal lens allows for adjustable focal length. For 9-meter monitoring, a fixed lens with a focal length of 2.8mm or 3.6mm is typically suitable. A varifocal lens with a focal length range of 2.8-12mm or 4-9mm offers greater flexibility in adjusting the field of view.

3. Field of View (FOV): FOV refers to the area covered by the camera's lens. To cover a 9-meter distance, a FOV of approximately 50-60 degrees is ideal. This will provide a wide enough view to capture the desired area without excessive distortion.

4. Sensitivity: Camera sensitivity determines its ability to capture images in low-light conditions. For effective night-time monitoring, a camera with a sensitivity of at least 0.01 lux is recommended.

5. Weather Resistance: If the camera is installed outdoors, it must be weather-resistant to withstand environmental conditions such as rain, wind, and dust. A rating of IP66 or higher is typically sufficient for most outdoor applications.

6. Compatibility: Ensure that the camera is compatible with the existing surveillance system or recording device. Consider factors such as video output format, network connectivity, and power requirements.

Recommended Equipment:

Based on the aforementioned considerations, here are some recommended equipment options for 9-meter distance monitoring:

• Hikvision DS-2CD2023G0-I: A 2MP fixed-lens camera with a 2.8mm lens and a FOV of 50 degrees.
• Dahua IPC-HFW2231S-S: A 2MP varifocal lens camera with a focal length range of 2.8-12mm and a FOV of 31-102 degrees.
• AXIS M3027-P: A 2MP fixed-lens camera with a 3.6mm lens and a FOV of 55 degrees, featuring excellent low-light sensitivity.
• Bosch NBN-40131: A 2MP fixed-lens camera with a 2.8mm lens and a FOV of 50 degrees, designed for outdoor use with an IP66 rating.

Additional Tips:

• Position the camera at an appropriate height to optimize the field of view and minimize blind spots.
• Use a cable long enough to connect the camera to the recording device without causing tension or strain.
• Consider using a PoE (Power over Ethernet) switch to simplify installation and power the camera through the network cable.
• Regular maintenance and cleaning are essential to ensure optimal performance and longevity of the equipment.

By implementing these recommendations, you can effectively monitor an area from a distance of 9 meters, providing enhanced security and surveillance capabilities.

2024-10-29

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