PNP NPN Proximity Sensor

The M04 cylindrical PNP NPN Proximity Sensor is an upgraded miniature metal detection sensor based on micro-size industrial sensing solutions. Featuring a standard M4 threaded cylindrical body, it perfectly balances ultra-small installation size and longer sensing distance compared with M03 sensors. This model is specially developed for compact automated equipment, precision jigs, micro conveyor systems, and 3C electronic manufacturing devices with limited mounting space.

Adopting high-frequency oscillation inductive sensing technology, the M04 sensor realizes non-contact detection of ferrous metals without mechanical friction or wear. Built with integrated 304 stainless steel housing, it features excellent compression resistance, collision resistance and environmental adaptability. Supporting DC 10-30V wide voltage operation and multiple signal output modes, it is fully compatible with global mainstream PLC, controllers and automated control systems, ensuring stable and continuous operation in complex industrial scenarios.

1. Compact M4 threaded miniature body design, perfectly adapting to ultra-narrow installation spaces of precision micro automation equipment

2. Integrated 304 stainless steel one-piece molding structure, anti-collision, wear-resistant and deformation-resistant for long-term industrial use

3. IP67 professional industrial protection grade, stably resisting dust, water splash and cutting oil in harsh workshop environments

4. Advanced non-contact inductive sensing technology, zero mechanical wear, effectively reducing equipment failure rate and maintenance costs

5. 1200Hz high-frequency fast response, supporting high-speed workpiece counting, positioning and limit detection of automated production lines

6. Complete output signal options (NPN/PNP, NO/NC), fully compatible with all mainstream industrial PLC and controller systems worldwide

7. Built-in EMC anti-interference circuit design, effectively avoiding false triggering caused by motors, inverters and complex wiring harnesses

8. Standard flush mounting structure, supporting embedded installation, no extra brackets required, saving installation space and simplifying wiring layout

The M04 Micro PNP NPN Proximity Sensor is widely used in precision industrial automation scenarios that require small size and moderate sensing distance:

- 3C electronics precision assembly and testing equipment

- Micro fixture positioning and workpiece limit detection

- Medical automated micro equipment and experimental instruments

- Small robotic arm joint limit and stroke detection

- Mini conveyor line high-speed workpiece counting system

- Precision mold induction and mechanical reset detection

- Semiconductor micro-equipment auxiliary positioning

Q1: What is the biggest advantage of M04 sensor compared with M03 model?
A1: The M04 sensor has a larger 1.5mm sensing distance while retaining the miniature body, which solves the problem of insufficient sensing range of ultra-small sensors, with stronger scene adaptability.

Q2: Can the M04 inductive sensor detect aluminum and copper?
A2: No. This inductive sensor is specially designed for ferrous metal detection. It is insensitive to non-ferrous metals such as aluminum, copper and brass.

Q3: Is the M04 sensor suitable for high-speed production lines?
A3: Yes. With a 1200Hz high response frequency, it fully meets the high-speed counting and continuous positioning detection needs of automated assembly lines.

Q4: Can this sensor work in oily and humid industrial environments?
A4: Absolutely. The IP67 waterproof and dustproof grade enables it to resist industrial dust, water splash and cutting oil, ensuring long-term stable operation in harsh workshop conditions.

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