
With a corrosion-resistant stainless steel probe, ensure reliable operation in harsh environments such as industrial or outdoor settings compared to plastic-based sensors*
With an RS485 communication interface, achieve stable and long-distance data transmission (e.g., for weather stations or industrial setups) compared to standard USB or Wi-Fi models*
With semiconductor-based sensing technology, simultaneously measure temperature and humidity with high accuracy, offering comprehensive environmental monitoring compared to single-function sensors*
With a threaded end design, adapt to diverse measurement needs (e.g., weather stations, industrial processes) using interchangeable probes, enhancing versatility compared to fixed-design sensors*
With CE and EPR certifications from Germany/France, meet stringent safety and environmental standards for EU markets, ensuring regulatory compliance compared to non-certified alternatives*

The DHT85 Semiconductor Temperature Sensor combines robust stainless steel construction with RS485 communication for precise environmental monitoring in harsh conditions. Its modular design allows customization via threaded attachments, ensuring adaptability for weather stations, industrial automation, and agricultural applications.
| Feature | Specification | Application Scenario |
|---|---|---|
| Material | 316 Stainless Steel | Corrosive environments (chemical plants, coastal areas) |
| Communication | RS485 | Long-distance data transmission in industrial IoT systems |
| Certifications | CE, EPR (Germany/France WEEE/Packing) | Compliance for EU market deployment |
| Probe Customization | Threaded interface (M12) | Attaching probes for humidity/temperature sensing in HVAC systems |
Adjustable probe types (e.g., waterproof, high-temperature) and mounting flanges can be tailored to meet specific industrial or environmental monitoring needs.
With the DHT85’s corrosion-resistant stainless steel probe, you can ensure reliable temperature and humidity measurements in chemical processing plants. Its RS485 interface enables seamless integration into smart weather stations, while EPR certifications simplify compliance for European deployments.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Accuracy | ±0.5°C/±3%RH | ±0.3°C/±2%RH (+40%) | ±0.1°C/±1%RH (+80%) |
| Operating Temp. Range | -20°C to 80°C | -40°C to 120°C | -50°C to 150°C |
| Response Time | 2s | 1.5s (25% faster) | 0.8s (60% faster) |
Technical Breakthroughs:
Version Selection Guide:
With the Pro version’s ±0.1°C accuracy and -50°C to 150°C range, you can monitor extreme environments like cold storage facilities or oil refineries with unmatched precision. Pair its rugged stainless steel body with a high-temperature probe to ensure uninterrupted operation in demanding scenarios.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Material & Construction | Harsh industrial environments | Industry Standard: 304 stainless steel (ASTM A240) Our Base: 316L stainless steel ▲ (ASTM A276) Our Advanced: 316L + ceramic coating ▲▲ | ▲ Base: 50% better corrosion resistance than 304 ▲▲ Advanced: Triple-layer protection against abrasion | Advanced version adds 15% weight for coating |
| Communication Interface | Industrial automation systems | Industry Standard: RS485 at 4800 bps (IEC 61158) Our Base: RS485 at 9600 bps ▲ Our Advanced: RS485 at 19200 bps ▲▲ | ▲ Base: 100m transmission range (vs 50m industry) ▲▲ Advanced: 200m range with reduced latency | Requires upgraded controllers for higher speeds |
| Certifications | EU market compliance | Industry Standard: CE (EN 60730) Our Base: CE + EPR Germany (WEEE/Packing) ▲ Our Advanced: CE + EPR Germany/France ▲▲ | ▲ Base: Meets EU waste regulations ▲▲ Advanced: Full compliance for France/Germany | Advanced adds 10% cost for dual EPR certification |
| Corrosion Resistance | Chemical processing plants | Industry Standard: 200h salt spray resistance (ASTM B117) Our Base: 300h ▲ Our Advanced: 500h ▲▲ | ▲ Base: Outperforms 80% of competitors ▲▲ Advanced: Survives 50+ chemical exposures (ASTM D543) | Advanced coating may require specialized handling |
| Customization | Custom measurement setups | Industry Standard: Fixed probe configurations Our Base: 1 adapter type ▲ Our Advanced: 3 adapter types ▲▲ | ▲ Base: Supports 5 common probe types ▲▲ Advanced: Universal mounting for pressure/temperature probes | Advanced requires training for adapter switching |
| Operating Temperature | Extreme outdoor environments | Industry Standard: -20°C to 70°C (IEC 60721) Our Base: -30°C to 75°C ▲ Our Advanced: -40°C to 85°C ▲▲ | ▲ Base: Functions in Arctic conditions (tested at -35°C) ▲▲ Advanced: Operates in desert heat (80°C+) | Advanced uses premium seals that increase cost by 20% |
⭐⭐⭐⭐⭐ Alex Turner - Industrial Automation Engineer
"I’ve been using the DHT85 Advanced Model in a chemical processing plant for six months now, and it's performed flawlessly. The 316L stainless steel probe has shown zero signs of corrosion despite constant exposure to acidic vapors. The RS485 interface reliably transmits data over 150 meters to our SCADA system without interference. Setup was straightforward thanks to the pre-terminated wiring harness. This sensor outperforms cheaper plastic models we previously used."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Priya Nair - Smart Farming Hobbyist
"I integrated the DHT85 Base Model into my greenhouse automation project, and it’s been a game-changer. I appreciate the threaded M12 probe design—I attached a custom waterproof extension to monitor soil microclimate, which worked perfectly. The humidity readings are consistent, and the corrosion resistance is impressive even in high-moisture environments. For DIYers, the documentation and protocol guide made RS485 integration surprisingly easy."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Marcus Lee - HVAC Maintenance Technician
"We installed several DHT85 sensors across a commercial warehouse HVAC network last year. The dual-parameter accuracy (±0.3°C/±2%RH) has improved our climate control precision significantly. Mounting them via the cylindrical flange was quick and secure, even on vibrating ductwork. Only reason I’m not giving five stars is that the Advanced Model’s higher baud rate (19200 bps) required a controller firmware update, which wasn’t clearly noted upfront. That said, performance since then has been rock-solid."Purchase Date: September 2024 | Usage Period: 10 months
⭐⭐⭐⭐⭐ Elena Petrova - Logistics & Cold Chain Manager
"For monitoring our -30°C cold storage units, we needed something rugged and precise. The DHT85 Pro Model delivered beyond expectations. Its -50°C to 150°C operating range ensures stability even during defrost cycles. We’ve had no drift or failure in seven months of continuous use. The EPR and CE certifications also streamlined our compliance audits in Germany. If you’re deploying in extreme climates, this is the sensor to get."Purchase Date: January 2025 | Usage Period: 7 months
⭐⭐⭐⭐☆ James Carter - Environmental Tech Developer
"As part of a personal weather station build, I chose the Base Model for its balance of cost and durability. Installed it on a coastal mast where salt spray is intense—after five months, the stainless steel body shows no pitting, unlike a competitor’s aluminum unit nearby that’s already corroded. Data transmission via RS485 to my Raspberry Pi has been stable. Only suggestion: include a basic protocol decoder script for beginners. Otherwise, highly reliable for outdoor environmental monitoring."Purchase Date: April 2025 | Usage Period: 4 months
Average Rating: 4.8/5 ⭐ (94 Reviews)
Dr. Linda Foster - Industrial Sensor Specialist
"The DHT85 series stands out in the environmental sensing market due to its combination of corrosion resistance, industrial-grade communication, and modular design. In field tests, the 316L stainless steel probe outlasted standard 304 and plastic sensors by over 200 hours in salt spray testing. For long-term deployments in agriculture, HVAC, or outdoor monitoring, I strongly recommend the Advanced or Pro models for their extended temperature ranges and faster response times."
Rajiv Mehta - Industrial IoT Solutions Architect
"In large-scale monitoring systems, signal integrity and device longevity are critical. The DHT85’s RS485 interface at 9600–19200 bps provides reliable, noise-resistant communication over long distances—ideal for warehouse or factory floor deployments. Its modular probe system also allows future-proofing for different sensing needs. From both an engineering and compliance standpoint, the EPR and CE certifications make it a safe choice for EU-based projects."
Posted: 2 days ago
"Using these in a high-humidity production area. No issues so far. Data is consistent and the build quality feels industrial-grade. Will likely order more for additional zones."
Posted: 1 week ago
"Integrated seamlessly with our control system. The ability to attach a soil probe made a big difference. Highly accurate and well-built."
Posted: 3 weeks ago
"Took some time to decode the RS485 protocol, but once connected, it’s been flawless. Suggest adding more beginner-friendly examples in the manual."
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