DT311 Temperature Humidity Sensor
DT311 Temperature and Humidity Sensor
Wireless Environmental Monitoring for Facility and Industrial Rooms
DT311 measures air temperature (-30 to +85 Celsius, +/-0.3 Celsius) and humidity (0 to 90% RH, +/-2% RH) and reports data via NB-IoT, LoRaWAN, or Sigfox wireless connectivity. Suitable for facility rooms, equipment cabinets, storage areas, greenhouses, and industrial monitoring.
Last updated: May 31, 2026
Customer Value
Built for reliable wireless monitoring in demanding environments
Temperature + Humidity
Dual sensing in one compact 80x80x38mm device with +/-0.3C and +/-2% RH accuracy.
Multiple Wireless
NB-IoT, LoRaWAN, and Sigfox versions for different regional network conditions.
LED Alarm Indication
Built-in LED for program status (red on) and high temperature alert (red flash).
Rechargeable Battery
1000mAh rechargeable Li battery with Micro-USB charging; LED charge status indicator.
Open Protocol
TCP protocol with SDK in Python and JavaScript for customer platform integration.
CE and RoHS Certified
Quality and environmental compliance for facility and industrial deployment.
Hard Facts
Hard facts for product evaluation
Temperature range
Temperature accuracy
Humidity range
Humidity accuracy
Wireless options
Rechargeable battery
Compact dimensions
Certifications
Applications
Environmental monitoring for facilities, buildings, and industrial sites
DT311 is suitable for facility rooms, equipment cabinets, storage areas, greenhouses, industrial rooms, and any indoor environment where temperature and humidity monitoring supports operational decisions.
Technical Specifications
DT311 Temperature Humidity Sensor key specifications
| Item | Specification |
|---|---|
| Product model | DT311 Temperature and Humidity Sensor |
| Dimensions | 80 x 80 x 38 mm |
| Temperature range | -30 to +85 Celsius, accuracy +/-0.3 Celsius |
| Humidity range | 0 to 90% RH, accuracy +/-2% RH |
| Power consumption | Upload <= 500 mA; detection <= 50 mA; sleep <= 10 uA |
| Internal battery | 1000 mAh at 3.7 V rechargeable lithium battery |
| Recharge interface | Micro-USB, 500 mA at 5 V |
| Recharge LED | Red: charging/not full; Blue: full battery |
| Alarm LED | Program running: red on; high temperature: red flash |
| Wireless options | NB-IoT, LoRaWAN, Sigfox |
| Protocol | TCP with SDK in Python and JavaScript |
| Certifications | CE, RoHS |
Comparison
DT311 vs DT320 Environmental Sensors
Use this comparison to choose the right sensor for your project.
| Selection factor | DT311 Temperature Humidity Sensor | Alternative |
|---|---|---|
| Monitoring target | Temperature and humidity | Air quality (methanal, ammonia, ethanol, cigarettes) |
| Application | Facility rooms, cabinets, storage, greenhouses | Indoor air quality for public and commercial spaces |
| When to choose | Choose DT311 for temperature and humidity monitoring in facility and industrial environments. | Choose DT320 for indoor air quality monitoring including specific gas detection. |
Product Video
IoT LPWAN Wireless Temperature Humidity Sensor DT311
Watch the DT311 Temperature Humidity Sensor demonstration video.
Selection Guide
How to Choose the Right DT311 Temperature Humidity Sensor Configuration
Select based on deployment environment, network coverage, and platform integration requirements.
Where to Buy
Request a DT311 Temperature Humidity Sensor project quotation
DT311 Temperature Humidity Sensor is sold by quotation. Share deployment environment, network preference, and rollout scale so CNDINGTEK can prepare a project quotation.
Useful inputs for faster quoting
- Application environment and deployment scenario
- Preferred wireless network
- Quantity and delivery schedule
FAQ
Frequently Asked Questions about DT311 Temperature and Humidity Sensor
What does DT311 measure?
Air temperature (-30 to +85 C, +/-0.3 C) and humidity (0-90% RH, +/-2% RH).
Which wireless versions?
NB-IoT, LoRaWAN, and Sigfox.
How is DT311 powered?
1000mAh rechargeable Li battery with Micro-USB charging. LED indicates charge status.
What alerts does DT311 provide?
Program running LED and high temperature alert LED.
What certifications?
CE and RoHS.
Can DT311 connect to customer platforms?
Yes, TCP protocol with SDK in Python and JavaScript.
Where can DT311 be deployed?
Facility rooms, cabinets, storage, greenhouses, industrial rooms.
Standard product?
Yes. Quotation-based pricing.
CNDINGTEK Support
Evaluate DT311 Temperature Humidity Sensor for your project
Share deployment environment, network preference, and rollout scale.