Capacitance Sensor
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About capacitance sensor
Where to Find Capacitance Sensor Suppliers?
China remains a central hub for capacitance sensor manufacturing, with key production clusters in Hubei, Guangdong, and Anhui provinces. Wuhan-based suppliers leverage strong R&D infrastructure in optical and proximity sensing technologies, while Shenzhen players specialize in integration with IoT and GPS tracking systems. These regional ecosystems support vertically integrated production—from PCB assembly to final calibration—enabling rapid prototyping and scalable output.
Suppliers in these zones benefit from localized access to electronic components, metal stamping facilities, and packaging solutions within 50km radii, reducing material lead times by 20–30%. Average monthly production capacity among verified manufacturers ranges from 10,000 to 50,000 units, depending on model complexity. Buyers gain flexibility in both standard and custom configurations, with typical delivery windows of 15–30 days for batch orders. Cost efficiency is further enhanced by 15–25% lower labor and overhead expenses compared to Western counterparts.
How to Choose Capacitance Sensor Suppliers?
Selecting reliable partners requires systematic evaluation across technical, operational, and transactional dimensions:
Technical Expertise & Product Range
Assess suppliers based on their core product focus and engineering adaptability. Leading firms offer diversified portfolios including level transmitters, fuel sensors, and industrial proximity devices, often backed by in-house design teams. Prioritize those with documented experience in target applications such as liquid level monitoring, material presence detection, or differential pressure measurement.
Quality Assurance Protocols
Verify implementation of standardized quality management systems. While formal ISO 9001 certification is not universally listed, consistent on-time delivery rates above 93% and response times under 2 hours indicate disciplined operations. Look for evidence of functional testing procedures, CE marking (where applicable), and compliance with environmental standards like RoHS for electronic components.
Customization and Scalability
Evaluate customization capabilities through available options:
- Voltage/output signal configuration (e.g., 4–20mA, RS485, PNP/NPN)
- Material selection (PTFE, stainless steel, brass) for chemical resistance
- Dimensional adjustments and mounting types (tubular, flush, non-flush)
- Labeling, logo printing, and packaging personalization
Confirm minimum order quantities (MOQs), which range from 1 piece for standard models to 10+ pieces for specialized variants. High reorder rates (>20%) suggest customer satisfaction and product reliability.
Transaction Reliability Indicators
Use performance metrics as proxies for trustworthiness:
- On-time delivery ≥93%
- Average response time ≤2 hours
- Reorder rate >15%
- Online transaction volume exceeding US $100,000 annually
Cross-reference supplier claims with verifiable data points such as shipment records and buyer feedback where available.
What Are the Best Capacitance Sensor Suppliers?
| Company Name | Main Products (Listings) | On-Time Delivery | Response Time | Reorder Rate | Annual Online Revenue | Customization Options | Sample MOQ | Price Range (USD) |
|---|---|---|---|---|---|---|---|---|
| Chaorong Electronics (Wuhan) Co., Ltd. | Optical Sensors (542), Proximity Sensors (286) | 100% | ≤5h | 25% | $30,000+ | Color, material, size, logo, packaging, graphic | 1 pc | N/A |
| Atech Sensor Co., Ltd. | Capacitive Fuel Sensors, Pressure Transmitters | 89% | ≤2h | <15% | $180,000+ | Pressure range, output, material, explosion-proof, parameters | 1 pc | $20–80 |
| Shenzhen Qida Electronic Company Ltd. | Fuel Tank Level Sensors, RF Capacitive Meters | 93% | ≤2h | 20% | $120,000+ | Diameter, model, meter options, lead time | 1–10 pcs | $14.30–520 |
| Yueqing Chengfei Electric Co., Ltd. | Proximity Sensors (173), Switches | 100% | ≤1h | <15% | $9,000+ | Limited (model variations) | 1 pc | $0.80–10 |
| Huaibei Agile Control Automation Technology Co., Ltd. | Level Measuring Instruments (629), Transmitters | 100% | ≤1h | 15% | $80,000+ | Medium, material (PTFE), application-specific design | 1 pc | $115.26 |
Performance Analysis
Chaorong Electronics and Yueqing Chengfei demonstrate exceptional logistics discipline with 100% on-time delivery, making them suitable for time-sensitive procurement. Atech Sensor leads in revenue volume ($180,000+), indicating robust market demand and export activity, despite a slightly lower delivery rate (89%). Huaibei Agile specializes in industrial-grade level transmitters with uniform pricing at $115.26 per unit, ideal for bulk integration into process control systems.
Shenzhen Qida offers the widest price spread ($14.30–$520), reflecting its ability to serve both budget and high-end segments, including premium branded replacements. Yueqing Chengfei provides the lowest entry cost ($0.80/unit), advantageous for high-volume OEM applications requiring basic proximity detection. Buyers seeking advanced customization—especially in hazardous environments—should prioritize Atech’s explosion-proof and media-resistant configurations.
FAQs
How to verify capacitance sensor supplier reliability?
Cross-check stated delivery performance and response times against transaction history. Request product test reports for insulation resistance, temperature tolerance, and long-term stability. For critical applications, conduct virtual factory audits to assess production lines and QC checkpoints.
What is the typical sampling timeline?
Standard samples are shipped within 5–7 days after confirmation. Customized units may require 10–15 days for configuration and testing. Air freight adds 3–7 days for international delivery.
Can suppliers provide global shipping?
Yes, most suppliers offer worldwide delivery via express carriers (DHL, FedEx) or sea freight for bulk orders. Confirm Incoterms (FOB, CIF) and ensure compliance with destination electronics import regulations.
Do manufacturers offer free samples?
Free samples are uncommon but negotiable upon commitment to volume orders. Some suppliers deduct sample costs from initial purchase invoices if order thresholds are met.
How to initiate customization requests?
Submit detailed specifications including sensing distance, operating voltage, output type, thread size, housing material, and environmental conditions. Reputable suppliers respond with datasheets, dimension drawings, or modified product links within 24–48 hours.
