Reference: RBD-3943
Brand: DFRobot
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The XH-M452 Temperature and Humidity Control Module with Digital Display is a compact and reliable solution for maintaining environmental conditions in diverse applications. Powered by DC 12V, it offers high precision with a wide temperature range of -40°C to 120°C and humidity range of 0–100%RH. The SHT20 sensor ensures stable and accurate readings, while the LED display allows users to monitor data at a glance. Featuring a 10A relay output, this controller is capable of directly driving loads such as fans, heaters, humidifiers, and dehumidifiers. With intuitive control settings for start/stop thresholds and built-in fault codes for easy troubleshooting, the XH-M452 is ideal for greenhouses, incubators, aquariums, storage rooms, and other automation projects requiring precise environmental regulation. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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High-precision control with ±0.1°C temperature and ±0.1%RH humidity accuracy.
Wide measurement range for temperature (-40°C to 120°C) and humidity (0–100%RH).
Easy-to-read LED digital display with real-time monitoring.
SHT20 sensor probe ensures reliable and consistent performance.
Supports direct load control with 10A relay output.
User-friendly interface with adjustable start/stop temperature and humidity values.
Built-in fault codes for quick identification of sensor errors and over-range conditions.
Compact and lightweight design, easy to integrate into DIY and industrial setups.
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Greenhouse automation for stable crop growth.
Incubators requiring precise temperature and humidity control.
Aquariums and terrariums for optimal habitat conditions.
Warehouses and storage facilities to prevent moisture damage.
DIY electronics and smart home projects.
Agricultural projects such as mushroom farming and poultry keeping.
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| General Specifications | |
| Model | XH-M452 |
| Power Supply | DC 12V |
| Temperature Range | -40°C to 120°C |
| Humidity Range | 0–100%RH |
| Control Precision | ±0.1°C, ±0.1%RH |
| Sensor Type | SHT20 Probe |
| Display | LED Digital Display |
| Relay Output | 10A |
| Fault Codes | LLL (Sensor Fault), HHH (Over Range) |
| Usage Settings | Adjustable start/stop temperature & humidity |
| Shipment Weight | 0.0669 kg |
| Shipment Dimensions | 7 × 7 × 5 cm |
Please allow 5% measuring deviation due to manual measurement.
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Set the start temperature:Long press the + key, start the flashing temperature, set start temperature by + / - key
set Stop temperature: long press - button, stop flashing temperature, set stop temperature by + / - key
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Set to start humidity: long press the + key, start the humidity value flashing, set by + / - key launch humidity value
Set stop humidity: long press - to stop humidity value, set by + / - key to stop the humidity value
Fault code: display LLL mean the sensor fault display HHH mean Test temperature exceed the range of measurement






1 x XH-M452 Temperature and Humidity Control Module with Digital Display
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