🔍 How to find high-quality products?

The listed suppliers are all based in mainland China (Guangdong and Fujian provinces), covering subcategories including PID controllers, oven thermostats, WiFi-programmable kiln controllers, dual-display refrigeration controls, and DIN rail-mounted industrial regulators. While formal certification details (ISO/CE) are not explicitly provided for each company, four out of six report on-time delivery rates above 98%, indicating strong operational consistency. All suppliers offer OEM/ODM services, with customization available in probe length, input types (K-type, PT100, NTC), output configurations (SSR/relay), UI languages, and enclosure materials.

✅ How to choose the right product?

The following comparison highlights key differences in product offerings across the six suppliers, focusing on model variety, technical parameters, application suitability, and commercial terms.

Note: Maxwell uses metal housings for high-temperature industrial models and plastic for standard DIN versions. Meikong offers both plastic and full-metal variants for durability in kitchen environments.

The bar chart illustrates a clear trade-off between technical sophistication and delivery speed. Xiamen Maxwell Automation leads in customization and technical complexity, offering advanced features like WiFi remote access, multi-segment programming, and high-accuracy sensing — essential for industrial automation where process repeatability is critical. However, longer lead times (25–35 days) make it less suitable for urgent replacements. In contrast, Shenzhen Lizao and Si Hai Xin Zhou provide rapid fulfillment (7–14 days) and ultra-low MOQs (1 piece), ideal for testing or small-batch integration but limited in scalability and environmental resilience. Guangdong Meikong strikes a balance for commercial appliance OEMs needing bilingual interfaces and robust build quality. For buyers prioritizing innovation and long-term reliability over speed, Maxwell is optimal. For startups or repair shops needing quick, affordable solutions, Lizao or Si Hai Xin Zhou are better fits.

🔧 How to use and maintain?

Temperature controllers are deployed across diverse environments, from factory floors to residential labs. Their usage and maintenance depend heavily on the operating context, controller type, and environmental exposure.

Usage Scenarios

In B2B settings such as manufacturing plants, Maxwell’s PU90 or MF43HYC models are commonly installed in heat treatment ovens requiring precise ramp-and-soak cycles. These controllers manage complex thermal profiles over multiple stages, ensuring metallurgical consistency during quenching or annealing. Operators configure setpoints via HMI touchscreens, monitor real-time drift, and receive NO/NC alarm alerts if thresholds are breached. In commercial kitchens, Meikong’s MK6782 panel integrates into conveyor pizza ovens, maintaining 220V-powered heating elements within ±1°C tolerance — crucial for consistent cooking. For cold storage facilities, Lizao’s STC-200 operates in cooling mode, activating compressors when internal temperatures exceed preset limits, often paired with NTC probes embedded in evaporator coils.

On the consumer side, DIY enthusiasts use Si Hai Xin Zhou’s STC-3008 in homebrew fermentation chambers, setting dual probes to monitor ambient and liquid temperatures independently. Similarly, Belme’s bundled REX-C100+SSR+probe kits are popular among hobbyists building reflow soldering stations, where accurate thermal profiling prevents component damage.

Maintenance Guidelines

To extend service life, ensure controllers are mounted away from direct moisture, vibration, and electromagnetic interference. Clean exterior surfaces monthly using a dry microfiber cloth; avoid solvents that may degrade plastic enclosures. Inspect terminal connections annually for oxidation or looseness, especially in high-current applications. Replace worn probes every 2–3 years or when calibration drift exceeds ±2°C. For programmable units, back up configuration files before firmware updates. Use surge protectors in areas prone to power fluctuations.

For industrial-grade devices like Maxwell’s IP65-rated controllers, perform quarterly checks on seal integrity and ventilation grilles. If alarms trigger frequently without load changes, recalibrate using a certified reference thermometer. Upgrade older analog-input models to universal-input versions for greater sensor compatibility. When replacing parts, match SSR current ratings exactly to prevent overheating. Consider migrating to WiFi-enabled models for centralized monitoring in multi-unit installations.

❓ FAQ

• Are Alibaba transactions secure? Yes. Trade Assurance protects payments until delivery confirmation. Escrow services verify shipment compliance.
• Can I request third-party inspection? Absolutely. SGS, Bureau Veritas, or TÜV inspections can be arranged pre-shipment at buyer’s expense.
• What input types do these controllers accept? Most support K-type thermocouples; higher-end models include PT100 RTD and NTC inputs. Universal-input models handle multiple signal types.
• Do they work on 110V and 220V systems? Many models (e.g., STC series, Belme bundles) operate on 110–220V AC, making them globally compatible.
• Is software needed for programmable controllers? Some (like Maxwell’s MF43HYC) offer companion apps for configuration and logging via USB or network.