Introduction
This document is a user manual for the Zhiheng Microelectronics Model M12-. It provides important safety warnings and instructions for installation and use.

Warnings and Precautions
- Do not use this product as a safety or property protection device in environments such as nuclear control, medical equipment, or explosive devices.
- Use within the rated voltage range and avoid flammable, explosive, or high-impact environments.
- Do not wash the product with water or organic solvents.

Product Features
- The product includes various models with NPN and PNP outputs, and different detection methods such as diffuse reflection and through-beam.
- Specifications include a response time of less than 1ms, power supply voltage of DC10~30V, and protection features like reverse polarity and short circuit protection.
- The product is designed with a specialized IC, modulation circuit, and built-in amplifier for high-speed response and interference differentiation.

Specifications
- Detection distance: 100mm to 1m depending on the model.
- Operating temperature: -25 to 55°C, storage temperature: -40 to 70°C.
- Protection level: IEC IP64.
- Material: Nickel-plated copper, PMMA lens.

Installation and Usage Instructions
- Ensure correct wiring before powering on.
- Avoid direct exposure to strong light sources.
- When installing multiple sensors, ensure proper spacing to prevent interference.
- Clean the lens with a dry cloth to avoid dust accumulation.

Contact Information
Zhiheng (Xiamen) Microelectronics Co., Ltd.
Phone: 0592-8268993
Email: [email protected]
Address: 34 Guanri Road, Software Park Phase II, Siming District, Xiamen, Fujian, China.

Additional Notes
- The document includes diagrams for wiring and circuit connections for different sensor types.
- It emphasizes the importance of proper installation to avoid false triggering due to environmental factors.