Temperature and humidity sensor | transmitter | 4–20mA / RS485 | LED display | -40…+260°C | IP68 | industrial

Technical Specifications

Product type: temperature and humidity transmitter
Temperature measurement range: -40…+260°C
Humidity measurement range: 0–100% RH
Accuracy: Temperature: ±0.5°C
Humidity: ±3% RH
Resolution: 0.5°C
Outputs: 4–20 mA / RS485
Power supply: DC 12–36 V
Protection class: IP68 (dustproof and waterproof)
Material: ABS plastic + stainless steel
Probe length: 197 mm
Temperature: -20…+85°C
Humidity: ≤100% RH
Display: LED

Functions

Temperature measurement – accurately measures ambient temperature from -40 to +260°C
Humidity measurement – determines relative air humidity from 0 to 100% RH
4–20 mA analog output – transmits a stable signal to PLC or control systems
RS485 digital communication – allows integration into automation networks (Modbus, etc.)
Real-time data transmission – ensures continuous monitoring without delay
LED display – allows quick on-site reading of measured values
Long stainless steel probe – ensures accurate measurement in hard-to-reach areas
IP68 protection – reliable operation in humid, dusty, or aggressive environments
Wide power supply range (12–36V DC) – easy integration into various systems
High accuracy – ensures reliable data (±0.5°C / ±3% RH)

Applications

For home users: climate monitoring in greenhouses or storage rooms, dryers (e.g., wood, food), basements or garages for humidity control
In agriculture / greenhouses: control of plant growing conditions, automatic irrigation and ventilation systems, crop quality optimization
In industry / for engineers: integration into automation systems (PLC, SCADA), process control (drying, production, storage), use in chemical, food, and wood industries
For electricians / automation specialists: quick connection to control panels, universal solution with 4–20mA or RS485, suitable for new projects and modernization

Advantages

Wide temperature range (-40…+260°C)
Dual outputs (analog + digital)
High accuracy (±0.5°C / ±3% RH)
IP68 – resistant to harsh environments
Long probe – convenient installation
Universal application (from household to industry)

Disadvantages

Requires additional controller or PLC for full functionality
RS485 integration may require programming knowledge
No advanced analysis functions (measurement and transmission only)