Product Description
TH485D RS485 Temperature Humidity Transmitter LCD Display Wall Mount Modbus 10-30V DC Greenhouse HVAC Factory Warehouse
TH485D RS485 Temperature Humidity Transmitter LCD Display Wall Mount Modbus 10-30V DC Greenhouse HVAC Factory Warehouse1.NOTE
Default Configuration
Signal Output: RS485, 4-20mA, 0-5V, 0-10V
Power Supply: 10-30V DC
Accuracy Default B Level: Humidity ±3%RH, Temperature ±0.5°C at 25°C
Probe Operating Temperature: -40°C to 80°C
Probe Operating Humidity: 0%RH to 100%RH
Protection Level: IP65 enclosure with IP68 cable gland
Extended Probe Cable Length: Default 0.5 m
Optional Features
High Accuracy A Level: Humidity ±2%RH, Temperature ±0.4°C
Multiple Probe Types Available
Standard Probe: Fast response, not waterproof
Waterproof Probe: Suitable for high-dust environments
High-Temperature Probe: Suitable for environments above 80°C
Customizable Extended Probe Cable Length: Up to 15 m
Metal Windproof Probe: Made of 316L stainless steel, corrosion-resistant and designed to withstand strong winds
For compatibility confirmation, please contact us.
2. PARAMETERS
Item | Specification |
Signal Output | RS485 / 4-20mA / 0-5V / 0-10V |
Power Supply | 10-30V DC |
Operating Temperature (Probe) | -40°C to +80°C (default, customizable up to +120°C) |
Humidity Range | 0%RH to 100%RH |
Accuracy (Default) | Humidity: ±3%RH; Temperature: ±0.5°C (25°C) |
Accuracy (Optional) | Humidity: ±2%RH; Temperature: ±0.4°C (25°C) |
Response Time | Humidity: ≤8s; Temperature: ≤25s (at 1m/s airflow) |
Protection Level | Transmitter: IP65; Connector: IP68 |
Data Collection Interval | Default: 2 seconds/reading |
3. APPLICATION
Agricultural Applications
Ideal for greenhouses, flower cultivation, and other agricultural environments requiring precise temperature and humidity monitoring. Helps maintain stable growing conditions for improved crop quality and productivity.
Industrial Applications
Widely used in underground corridors, warehouses, workshops, server rooms, and other industrial environments. Supports multi-point data collection and can upload monitoring data to platforms through data loggers or environmental controllers.
Commercial and Public Facilities
Suitable for cold chain logistics, museums, laboratories, and other locations where strict environmental control is essential. The device supports smooth integration with centralized management systems for efficient monitoring and control.
4. FEATURES
High Accuracy Measurement
Equipped with a high-precision sensor providing humidity accuracy up to ±2%RH and temperature accuracy up to ±0.4°C for reliable environmental monitoring.
Reliable Protection Design
Features an IP65-rated transmitter housing and IP68-rated connectors, ensuring stable performance even in demanding environments.
Multiple Probe Options
Available with waterproof, dustproof, high-temperature, and high-sensitivity probe configurations to meet different application requirements.
Easy Installation
Wall-mounted design allows quick and convenient installation, with flexible expansion options suitable for a wide range of applications.

















5. FAQ
Q: How do I choose the right probe?
A: The standard probe is suitable for most environments. For high-dust environments, we recommend the waterproof probe. For high-temperature applications, please choose the high-temperature probe. Dust-resistant and corrosion-resistant probes are also available for special application requirements.
Q: What signal output options are supported?
A: The device supports multiple signal outputs, including RS485, 4-20mA, 0-5V, and 0-10V.
Q: What display options are available?
A: Optional display types include high-brightness LED digital displays, low-power LCD displays, and colorful OLED displays, providing clear and intuitive real-time data viewing.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We carefully handle each order to ensure your package arrives quickly and safely. Please note that factors such as weather, postal traffic, or carrier performance may occasionally cause delays beyond our control.
We provide free shipping and dispatch all orders within 2 business days of payment, often sooner. All shipments are sent via international express air shipping, with a tracking number provided so you can follow your order every step of the way.
. Please provide a physical address, as we do not ship to P.O. Boxes.
Returns
Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.