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About temp sensors
Where to Find Temperature Sensor Suppliers?
China remains the global hub for temperature sensor manufacturing, with key production clusters in Guangdong, Shaanxi, and Shanghai driving innovation and scale. Shenzhen-based suppliers specialize in digital and semiconductor-based sensors such as DS18B20 models, leveraging proximity to IC foundries and electronics supply chains. Xi’an and Shanghai facilities focus on industrial-grade RTD and NTC probes used in HVAC, energy, and process control systems, benefiting from established expertise in precision instrumentation.
These regional ecosystems support vertically integrated production—from thermistor chip fabrication to probe assembly and waterproof housing integration—enabling rapid prototyping and high-volume output. Suppliers report online transaction revenues exceeding $600,000 annually, reflecting strong export demand. Buyers gain access to flexible MOQs (as low as 1 piece), competitive pricing ($0.50–$36 per unit), and lead times optimized through localized component sourcing. Average response times are under 4 hours, with on-time delivery rates consistently above 95% across top-tier manufacturers.
How to Choose Temperature Sensor Suppliers?
Selecting reliable partners requires structured evaluation of technical, operational, and transactional capabilities:
Technical & Product Compliance
Confirm adherence to international standards including IEC 60751 (RTD accuracy), MIL-STD-883 (environmental testing), and RoHS for hazardous substances. For industrial applications, verify sensor specifications such as temperature range (-50°C to +500°C), tolerance (±0.1°C to ±2°C), and ingress protection (IP67/IP68). Suppliers should provide calibration certificates and material test reports upon request.
Production and Customization Capacity
Assess supplier infrastructure based on the following indicators:
- Customization capability for probe length, cable type (PVC, silicone), connector gender, thread size (M6, M12), and output signal (analog 4–20mA, 0–10V, or digital protocols)
- In-house design teams supporting OEM/ODM projects with options for laser marking, custom packaging, and multi-parameter sensors (temperature + humidity)
- Monthly production capacity evidenced by bulk pricing tiers (e.g., $0.50/unit at 100-piece MOQ)
Cross-reference product listings with on-time delivery performance (>95%) and response time (≤3 hours) to validate operational efficiency.
Transaction Security and Quality Assurance
Prioritize suppliers with documented quality management systems and third-party verification. Request sample testing to evaluate build quality, thermal response time, and waterproof integrity. Use secure payment mechanisms that release funds post-inspection. Analyze reorder rates (<15% to 25%) as a proxy for customer satisfaction and product reliability.
What Are the Best Temperature Sensor Suppliers?
| Company Name | Location | Main Products | Customization Options | On-Time Delivery | Avg. Response | Online Revenue | Reorder Rate | Min. Order |
|---|---|---|---|---|---|---|---|---|
| Shenzhen RPD Sensor Technology Co., Ltd. | Shenzhen, CN | Temperature Instruments, Thermocouples, Pressure Sensors | Probe material, cable length, connector type, OEM branding | 98% | ≤2h | US $600,000+ | <15% | 1–50 pieces |
| Xi'an Gavin Electronic Technology Co., Ltd. | Xi'an, CN | PT100/PT1000, DS18B20, Food-Grade Probes | Signal type, probe size, wire count, waterproof rating, logo printing | 99% | ≤3h | US $360,000+ | <15% | 10 pieces |
| Shenzhen Jubaolai Electronics Co., Ltd. | Shenzhen, CN | Digital Sensors, IC Modules, Optical Sensors | Stainless steel probes, cable length (2–3m), connector types | 98% | ≤3h | US $330,000+ | <15% | 1 piece |
| Huizhou Jin Yuan Xiang Electronic Co., Ltd. | Huizhou, CN | NTC Thermistors, Epoxy Probes, Corrosion-Resistant Housings | Chip type, housing color, sealing method, protocol compatibility | 95% | ≤3h | US $80,000+ | 21% | 10 pieces |
| Shanghai Huikong Energy Source Consultation Co., Ltd. | Shanghai, CN | Waterproof NTC, HVAC Systems, Pressure Transmitters | Limited customization reported | 83% | ≤4h | US $30,000+ | 25% | 1–5 pieces |
Performance Analysis
Shenzhen and Xi’an-based suppliers demonstrate superior technical agility, offering extensive customization and sub-3-hour response times. Shenzhen RPD Sensor Technology leads in volume capacity and delivery consistency (98%), supported by diversified sensor portfolios and robust quality controls. Xi'an Gavin stands out for high-mix production, enabling tailored solutions for food-grade, outdoor, and industrial environments. While Shenzhen Jubaolai offers the lowest entry MOQ (1 piece), its limited customization scope may restrict scalability. Shanghai-based suppliers show lower reorder rates but serve niche HVAC integration needs. Prioritize partners with ≥98% on-time delivery and proven experience in your target application segment (e.g., medical, automotive, or building automation).
FAQs
How to verify temperature sensor supplier reliability?
Validate certifications (ISO 9001, CE, RoHS) through official registries. Request factory audit reports or video tours confirming production lines and QC stations. Review transaction history for dispute resolution patterns and shipment consistency. Test samples against defined parameters before scaling orders.
What is the typical sampling timeline for temperature sensors?
Standard samples ship within 5–7 days. Customized units (e.g., SUS304 needle probes, IP68-rated housings) require 10–15 days for fabrication and testing. Air freight adds 3–7 days for international delivery.
Can suppliers accommodate small-batch or prototype orders?
Yes, most suppliers accept MOQs as low as 1 piece for standard models. Bulk discounts apply at 10–100 units depending on complexity. Prototypes with custom specs typically require 50+ units for tooling amortization.
Do manufacturers support OEM labeling and packaging?
Custom branding is widely available among verified suppliers. Services include logo printing, private-labeled packaging, and technical documentation localization. Minimum volumes vary from 100 to 1,000 units depending on configuration.
What are common materials used in temperature sensor construction?
Probes use stainless steel (SUS304/SUS316), copper, or brass for corrosion resistance. Sensing elements include platinum (PT100/PT1000), NTC thermistors (10K, 100K), and silicon chips (DS18B20). Cables are typically PVC-insulated or silicone-jacketed for high-temperature resilience.
