
Y25 Non-Contact Liquid Level Sensor
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The Y25 Non-Contact Liquid Level Sensor is a versatile, high-performance solution for liquid level detection in flat containers and large pipe systems. Designed to operate without direct contact, it offers reliable and stable performance, even in harsh environments.
Category: Non-contact Liquid Level Sensors
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Description
Key Features
- Non-Contact Sensing
- Detects liquid through the outer wall of non-metallic containers or pipelines without direct contact, avoiding corrosion or contamination.
- Effective for strong acids, strong alkalis, and scaling liquids.
- Multi-Mode Output
- Supports high/low-level output, switching value NPN, PNP, and RS485 communication.
- Models available for specific outputs (consult manufacturer).
- Precision and Stability
- Accurately detects liquid levels, including cold, hot, and boiling liquids.
- Capable of detecting liquids, powders, and particulate matter.
- Robust Performance
- Pure electronic circuit design ensures long service life.
- Resistant to external electromagnetic interference and common mode interference.
- Wide Compatibility
- Operates with DC 5–24V power supplies.
- Penetrates non-metallic materials like plastic, glass, and ceramics with a maximum container wall thickness of 20mm.
- Durable and Safe Design
- Made from PC-V0 fireproof material.
- IP67 waterproof certification.
- CE and ROHS-2.0 compliance for safety and environmental standards.
Applications
- Industrial: Liquid level detection in tanks and large pipelines.
- Medical: Non-corrosive detection for sensitive liquids.
- Smart Devices: Water dispensers, coffee machines, and other appliances.
- Laboratory Use: Accurate detection for chemical and biological containers.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Voltage (Vin) | DC 5–24V |
| Output Methods | High/Low level, RS485, NPN, PNP |
| Power Ripple | ≤200mV |
| Current Consumption | 5mA |
| Response Time | 500ms |
| Working Temperature | -20°C to 105°C |
| Humidity | 5%–100% |
| Sensing Distance | ≤20mm (container wall thickness) |
| Level Accuracy | ±1.5mm |
| Material | PC V0 fireproof |
| Cable Length | 500mm ±10mm (customizable) |
| Waterproof | IP67 |
| Certifications | CE, ROHS-2.0 |
| Wiring Definition | Brown (VCC), Yellow (Signal Output), Blue (GND), Black (Signal Option) |
Advantages
- Non-Corrosive: Ensures long-term use even with harsh liquids.
- High Sensitivity: Stable detection unaffected by scale or debris.
- Versatile Power Support: Compatible with a wide range of power adapters.
- Wide Application Range: Suitable for diverse materials and container shapes.
The Y25 Non-Contact Liquid Level Sensor offers a reliable, durable, and accurate solution for detecting liquid levels in various applications, ensuring optimal performance and safety.





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