❓ What is the Vaari VPE-B18LT300-WX-P1 Sensor?
The VPE-B18LT300-WX-P1 by Vaari Sensors is a diffused type photoelectric sensor designed for precision detection in industrial automation systems. It uses light reflection principles to detect objects without physical contact, making it ideal for non-metallic items and varied surfaces.
❓ How does a diffused type photoelectric sensor work?
In a diffused type sensor, the emitter and receiver are housed in the same body. The sensor emits light, which bounces off the object and returns to the receiver. When the reflected light intensity reaches a threshold, the sensor switches states — indicating the presence of an object.
❓ What is the rated sensing distance of this model?
The VPE-B18LT300-WX-P1 has a reliable sensing range of up to 290mm ± 10%, providing consistent detection in medium-range applications.
⚙️ Technical Specifications
| Specification | Details |
|---|---|
| Sensor Type | Diffused (Photoelectric) |
| Switching Output | PNP, Light Sensing |
| Sensing Distance | 290mm ± 10% |
| Supply Voltage | 10–30 V DC |
| Operating Frequency | 25Hz |
| Rated Operating Current | 200mA |
| No-Load Supply Current | < 50mA |
| Voltage Drop | < 2.2 VDC |
| Off-State Current | < 0.1mA |
| Insulation Voltage | 75V DC |
| Utilization Category | DC-13 |
| Ambient Light Limit | Up to 3000 Lux |
| Protection Circuits | Short circuit and polarity reversal |
| Function Indication | Built-in red LED |
🏭 Use Cases & Applications
❓ Where can this sensor be used?
This sensor is widely used across various automated processes, especially in environments that require reliable object detection without contact. Common sectors include:
- 🏭 Packaging Industries
- 📦 Conveyor Belt Systems
- 🧃 Food & Beverage Filling Lines
- 🤖 Robotics & Material Handling
- 📄 Paper and Printing Machinery
- 🛠️ Textile Machines
- 🧰 Assembly Lines
- 📦 Product Counting Stations
❓ Can it detect transparent or reflective surfaces?
While it can handle semi-reflective surfaces, fully transparent items like glass might require retro-reflective or through-beam sensors for higher accuracy. Diffused sensors can struggle with consistency in such cases.
🛠️ Installation, Wiring & Maintenance
❓ How should I install this sensor?
- Ensure it’s mounted securely using the threaded barrel and locking nuts.
- Align it so the light beam hits the target surface perpendicularly.
- Use the built-in red LED for visual feedback on object detection during setup.
❓ What wiring configuration is used?
This sensor uses a 3-wire PNP output, with the following typical connections:
- Brown – Vcc (10–30V DC)
- Blue – Ground (0V)
- Black – Output signal (to PLC or controller input)
Always cross-check with the product datasheet and consult your control system’s wiring standards before finalizing connections.
❓ What’s the maintenance routine like?
Very minimal. Just follow these steps:
- Regularly clean the lens to prevent dust buildup.
- Check cable integrity and re-tighten loose connectors.
- Avoid exposure to excessive vibration or moisture beyond IP-rated levels.
📈 Buying Guidance – Why Read This FAQ First?
❓ Why is this FAQ important before purchasing?
Many first-time buyers or procurement teams make the mistake of purchasing based on just the model number or price — without knowing if the sensor actually fits their application. This FAQ:
✅ Ensures compatibility with your control systems (e.g., PNP vs. NPN)
✅ Explains limitations like ambient light sensitivity and transparent object detection
✅ Highlights key specs like sensing range and voltage — essential for industrial safety
✅ Prevents costly returns, system mismatches, or installation delays
✅ Improves integration into automation projects with correct mounting, wiring, and signal logic
If you’re an OEM, system integrator, or maintenance head — this knowledge translates directly to saved downtime, safer systems, and smoother commissioning.
💬 Additional Buyer Questions
❓ Is this sensor compatible with PLCs?
Yes! As long as your PLC or logic controller accepts 24V DC PNP inputs, this sensor will integrate easily.
❓ Can I use it in outdoor environments?
Not recommended unless the sensor is enclosed in a weatherproof housing. It is designed for indoor industrial use where ambient light doesn’t exceed 3000 lux.
❓ What accessories are typically used with this sensor?
- Mounting brackets
- Reflective plates (if needed for fine-tuning)
- Sensor holders with flexible arms
- Cable extension sets (shielded)
🧾 Final Thoughts
The Vaari VPE-B18LT300-WX-P1 is a rock-solid choice when it comes to mid-range photoelectric detection. With its solid build, red-light visibility for setup, and short-circuit protection — it’s perfect for high-reliability automation needs.
Make sure to always:
- Match output logic (PNP/NPN) with your PLC.
- Consider the object material, color, and reflectivity.
- Confirm environmental conditions like light interference or moisture exposure.
💬 Need a Custom Quote?
🟢 Available via WhatsApp – click the green “Request Quote” button on the product page. Share your project use-case, and we’ll help you choose the right model — or even suggest alternatives for better fit.
