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Capacitive Liquid Level Sensor
Instrava Curated Instruments introduces the Capacitive Liquid Level Sensor, engineered for precise and reliable level measurement across oil, water, and mixed media environments. By combining a robust 304 stainless steel structure with an optimized PTFE dielectric coating, this sensor delivers superior stability, high-temperature resistance, and exceptional adaptability in complex industrial conditions.
Designed with real-world applications in mind, it ensures accurate level detection, long-term durability, and seamless integration into industrial automation systems.
Level Measuring Instruments Description
Advanced Measurement Accuracy & Stability
- High Precision: ±1% accuracy ensures consistent and reliable level monitoring
- Optimized Dielectric Response: Accurately detects variations in mixed media such as oil-water interfaces
- Stable Signal Conversion: Converts dielectric changes into precise electrical signals with minimal drift
- Engineering Value: ±5mm accuracy within 300mm range ensures effective process control
Extended Advantage:
This capacitive level sensor overcomes traditional polarization issues, maintaining stability even in complex or changing media conditions.
Multi-Media Compatibility Design
- Composite Material Structure:
- 304 stainless steel base for mechanical strength
- PTFE coating for chemical resistance and dielectric stability
- Wide Media Compatibility: Suitable for oil, water, and mixed liquids
- Enhanced Long-Term Stability: Maintains performance in fluctuating dielectric environments
Key Benefit:
Accurate measurement even in mixed liquid environments, where traditional sensors fail due to dielectric variation.
High-Temperature Engineering & Thermal Management
- Wide Temperature Range: -10°C to 150°C continuous operation
- Innovative Heat Dissipation Design:
- Integrated heat sink structure
- Maintains stable internal electronic temperature
- Reduced Performance Drift: Protects electronic components in high-temperature environments
Key Benefit:
Ensures long-term accuracy and reliability under continuous high-temperature industrial conditions.
Industrial-Grade Structure & Installation Flexibility
- Compact Design: 300mm length for space-constrained installations
- Flange Connection: DN25 with JIS 10K standard
- Easy Integration: Compatible with existing industrial pipelines and tanks
- Durable Construction: Stainless steel ensures corrosion resistance and long service life
- Standard Output: 4–20mA analog signal
- Strong Compatibility: Easily integrates with PLC, DCS, and SCADA systems
- Reliable Transmission: Stable output even under harsh industrial interference
Key Benefit:
Simplifies installation while maintaining strong sealing performance and mechanical reliability.
Level Measuring Instruments Parameter
| Parameter | Specification |
|---|---|
| Measurement Accuracy | ±1% (±5mm within 300mm range) |
| Measuring Range | 300mm |
| Temperature Range | -10°C ~ 150°C |
| Material | 304 Stainless Steel + PTFE Coating |
| Output Signal | 4–20mA |
| Connection | DN25 Flange (JIS 10K standard) |
| Design | Compact structure |
| Media Compatibility | Oil, water, mixed liquids |
| Protection | Corrosion-resistant, high durability |
Instrava OEM/ODM
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.
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What is a capacitive liquid level sensor and how does it work?
A capacitive liquid level sensor measures level by detecting changes in dielectric constant between the probe and surrounding medium. As the liquid level changes, capacitance varies, which is converted into a stable electrical signal (typically 4–20mA).
Can capacitive level sensors measure oil and water simultaneously?
Yes. Advanced designs with PTFE coating can distinguish between oil and water due to their different dielectric constants, making them ideal for mixed media applications.
What are the advantages of capacitive level sensors over ultrasonic or radar sensors?
Capacitive sensors provide:
- Better performance in small tanks
- Higher sensitivity in interface detection
- Lower cost and simpler installation
- Reliable operation without signal reflection issues
Are capacitive level sensors suitable for high-temperature environments?
Yes. High-quality models can operate up to 150°C, especially those with thermal management designs that protect internal electronics from overheating.
What industries commonly use capacitive liquid level sensors?
They are widely used in:
- Chemical processing
- Oil & gas
- Water treatment
- Food & beverage
- Pharmaceutical manufacturing
What factors affect the accuracy of capacitive level sensors?
Accuracy depends on:
- Dielectric constant stability of the medium
- Probe coating and material
- Temperature variations
- Installation method and calibration
Why Choose Instrava
Built on Consistency, Not Claims
Focused on Industrial Applications
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
Strict Product Selection Criteria
Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
Reliable Supply & Quality Consistency
We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.
Practical, Experience-Based Support
Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.
Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.
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