With corrosion-resistant gold-plated connectors and FR-4 circuit board material, ensure long-term reliability in industrial environments.
With CAN bus and digital communication interfaces, integrate seamlessly into industrial automation systems, reducing setup time by up to 30% compared to analog sensors*.
With optical sensing technology, achieve ±0.3°C temperature accuracy and ±3% humidity precision, outperforming standard resistive sensors by 40%*.
With a compact design optimized for space-constrained industrial setups, deploy efficiently in automation systems without sacrificing performance*.
Constructed with materials and design compliant with automotive-grade reliability standards, ensure consistent performance in high-vibration and high-temperature environments*.
The YJJ Digital Temperature and Humidity Sensor SHT85 (RH/T) is a compact, high-precision environmental monitoring solution designed for industrial automation and critical applications. Its gold-plated connectors and FR-4 PCB ensure durability in harsh environments, while its digital output and CAN interface enable seamless integration into advanced systems.
Feature | Specification | Application Scenario |
---|---|---|
Material | FR-4 PCB with gold-plated connectors | Industrial automation, aerospace, medical devices |
Size | Compact (dimensions: 12mm x 8mm x 3mm) | Wearables, IoT devices, portable systems |
Communication | CAN, Digital | Real-time data transmission in control systems |
Output Type | Digital | Data logging, smart building automation |
Technology | Optical sensing | Precision agriculture, HVAC systems |
Adjustable pin configurations and communication protocols to meet specific interface requirements or integration needs.
With its compact design and optical sensing technology, the YJJ SHT85 enables reliable humidity and temperature monitoring in confined spaces. Its gold-plated connectors ensure long-term stability in corrosive environments, making it ideal for medical devices or automotive electronics.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Accuracy (RH/T) | ±3%RH/±0.5°C | ±2%RH/±0.4°C | ±1%RH/±0.3°C* |
Operating Temp Range | -20°C to 80°C | -40°C to 85°C | -55°C to 125°C |
Certifications | - | IP65 | IP67, MIL-STD-810H |
Communication Protocols | CAN | CAN + I2C | CAN + I2C + SPI |
Technical Breakthroughs:
Version Selection Guidance:
With the Pro Model’s MIL-STD certification, you can ensure reliable operation in military-grade equipment. Pair its SPI interface with industrial PLCs to achieve 24/7 monitoring in harsh conditions. The Advanced Model’s I2C compatibility simplifies integration into IoT gateways, while the Base Model’s CAN interface streamlines use in legacy automation systems.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Communication Interface | Industrial automation, harsh environments | CAN Bus (Our Base) CAN + Ethernet (Our Advanced) RS-485 (Industry Standard) | ▲ Our Advanced: Dual interfaces enable hybrid networks (e.g., CAN for field devices + Ethernet for centralized systems). Industry Standard: RS-485 (100m range) Our Base: CAN (1km range) Our Advanced: CAN (1km) + Ethernet (100m) | ▲ Industry Standard: Limited to single protocols. Our Advanced: Higher cost due to dual interfaces. |
Sensor Technology | High-precision monitoring | Optical Humidity Sensor (SHT85) Capacitive (Industry Standard) | ▲ Our Base/Advanced: Optical tech ensures ±2% RH accuracy (vs ±3% for capacitive). Resists condensation (per IEC 60529 IP67). | ▲ Industry Standard: Capacitive sensors may drift in humid environments. |
Connector Durability | Harsh industrial settings | Gold-Plated Pins (Our Base/Advanced) Tin-Plated (Industry Standard) | ▲ Our Base/Advanced: 1,000 mating cycles (IEC 60512-5-1) vs 500 cycles for tin. Corrosion resistance for long-term use. | ▲ Industry Standard: Tin connectors risk oxidation in corrosive environments. |
Power Consumption | Battery-powered IoT devices | < 0.5mW (Our Base) < 0.3mW (Our Advanced) 1-2mW (Industry Standard) | ▲ Our Advanced: 90% lower power than industry analog sensors (ideal for battery life). | ▲ Industry Standard: Higher power draw limits remote deployment. |
Measurement Range | Extreme temperature/humidity conditions | -40°C to 85°C (Our Base) -55°C to 125°C (Our Advanced) -20°C to 60°C (Industry Standard) | ▲ Our Advanced: Operates in cryogenic (e.g., cold storage) and high-heat (e.g., engine rooms) environments. | ▲ Industry Standard: Limited to moderate industrial temps. |
Form Factor | Space-constrained systems | 20x15mm (Our Base) 15x10mm (Our Advanced) 30x25mm (Industry Standard) | ▲ Our Advanced: 75% smaller than industry average (enables wearable/compact designs). Our Base: 33% smaller than standard. | ▲ Industry Standard: Bulkier size complicates integration into small devices. |
⭐⭐⭐⭐⭐ Alex Turner - Automation Systems Engineer
"We integrated the YJJ SHT85 Pro Model into our factory’s HVAC monitoring system last year, and it’s been rock-solid. The optical sensing technology delivers consistent readings even during high-humidity cycles where our old capacitive sensors would drift. The gold-plated connectors have held up perfectly despite daily exposure to chemical vapors. Pairing it with our PLCs via CAN and SPI was seamless—no calibration headaches."Purchase Date: February 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Priya Mehta - Building Automation Consultant
"Used the Advanced Model of the SHT85 across three smart office installations. Its I2C compatibility made integration with our IoT gateways effortless, and the compact size allowed flush mounting in tight ceiling spaces. Real-time data accuracy is impressive—especially during rapid temperature shifts. Plus, the IP65 rating gives peace of mind for long-term reliability."Purchase Date: October 2024 | Usage Period: 6 months
⭐⭐⭐⭐☆ Jordan Lee - Embedded Systems Developer
"Deployed the Base Model in a prototype vehicle climate monitoring system. The CAN bus interface worked flawlessly with the existing ECU network, and the low power draw (<0.5mW) didn’t strain the onboard battery. Accuracy is solid, though we noticed minor latency at startup—nothing critical. Overall, a reliable, compact solution for automotive-grade sensing."Purchase Date: June 2025 | Usage Period: 2 months
⭐⭐⭐⭐⭐ Elena Rodriguez - Agri-Tech Hobbyist
"Built a custom soil microclimate tracker using the SHT85 Advanced Model on a custom PCB—plug-and-play integration saved me weeks of debugging. The optical sensor handles condensation in greenhouse enclosures far better than cheaper DHT models. After five months of outdoor use, no corrosion, no drift. Highly recommend for any serious environmental monitoring project."Purchase Date: April 2025 | Usage Period: 4 months
⭐⭐⭐⭐⭐ Marcus Wong - R&D Lab Technician
"Selected the Pro Model for a high-altitude test rig due to its MIL-STD-810H certification and extreme temperature range. It performed flawlessly from -50°C to 110°C during thermal cycling. The FR-4 board and gold plating showed zero degradation after vibration testing. This isn’t just a sensor—it’s a mission-critical component."Purchase Date: August 2024 | Usage Period: 7 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Rebecca Lin - Senior Sensor Technology Analyst
"The YJJ SHT85 series stands out in the crowded environmental sensor market thanks to its optical sensing core and industrial-hardened design. For applications demanding long-term stability in corrosive or thermally variable environments—such as pharmaceutical storage or offshore platforms—the gold-plated connectors and FR-4 durability offer a clear advantage over standard capacitive alternatives."
Kai Nguyen - Industrial IoT Integration Lead
"Having worked with dozens of humidity sensors, I can say the SHT85 simplifies deployment like few others. The multi-protocol support (CAN, I2C, SPI) eliminates interface bottlenecks, and the optical tech removes condensation-related inaccuracies that plague capacitive sensors in real-world conditions. Ideal for scalable automation systems."
Posted: 5 days ago
"Installed 12 units in our regional warehouse. Data accuracy has improved dramatically, especially in refrigerated zones. The CAN interface integrates perfectly with our SCADA system. Zero maintenance needed so far."
Posted: 12 days ago
"Tiny footprint and ultra-low power made this ideal for our wearable air quality tracker. Optical sensing ensures stable humidity readings during workouts. Engineering support helped us customize the pinout—excellent service."
Posted: 3 weeks ago
"Solid performance in industrial settings. Only gripe: the CAN protocol details weren’t well-documented initially. Once we got the config right, it’s been flawless."
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