RS485 Soil Temperature Humidity Sensor PH Conductivity Detector Nutrient Salt Nitrogen Phosphorus Potassium Transmitter 7 In 1
VAT inclusive; Computed calculations added locally.
Overview
Monitor multiple soil conditions with a single integrated device using the RS485 Soil Temperature Humidity pH Conductivity Nutrient Sensor from KathalTech. Designed for modern agricultural monitoring systems, this multifunction soil transmitter helps collect important soil data for smart farming and automated environmental monitoring.
Depending on the specific model, the sensor can monitor parameters including soil temperature, moisture, pH, electrical conductivity, salinity, and NPK nutrients such as Nitrogen, Phosphorus, and Potassium.
The integrated sensor design reduces the need to install multiple separate soil sensors. Its RS485 communication interface makes it suitable for connection with compatible PLCs, industrial controllers, agricultural data loggers, IoT gateways, and embedded systems.
Using the Modbus RTU protocol, compatible systems can collect sensor readings and use the data for agricultural monitoring, irrigation management, environmental research, and automation.
The RS485 7-in-1 Soil Sensor from KathalTech is an excellent choice for smart agriculture, greenhouse automation, precision farming, agricultural research, and IoT-based soil monitoring projects.
Important: Exact measurement parameters, ranges, accuracy, operating voltage, communication settings, and Modbus register addresses vary between manufacturers and sensor versions.
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Product Technical Information
Technical Details
The RS485 Soil Temperature Humidity Sensor pH Conductivity Nutrient Salt NPK Transmitter 7 in 1 is an advanced multifunction sensor designed for agricultural soil monitoring.
Smart agriculture systems require accurate environmental information to monitor changing soil conditions. Instead of using several individual sensors, this integrated soil transmitter combines multiple measurement functions into a single probe.
Depending on the specific model and manufacturer configuration, the sensor can provide information related to:
- Soil temperature
- Soil moisture
- Soil humidity-related conditions
- Soil pH
- Electrical conductivity (EC)
- Soil salinity or salt-related values
- Nitrogen (N)
- Phosphorus (P)
- Potassium (K)
The sensor communicates using RS485, making it suitable for industrial and agricultural automation systems.
Multifunction Soil Monitoring
This sensor is designed to simplify agricultural data collection by integrating multiple soil measurement functions into one device.
A compatible monitoring system can collect sensor data and use it for:
- Soil condition monitoring
- Smart irrigation
- Precision agriculture
- Greenhouse automation
- Agricultural research
- Environmental data logging
Soil Temperature Measurement
Soil temperature is an important environmental parameter for agriculture and plant growth monitoring.
Monitoring soil temperature can be useful for:
- Crop management
- Greenhouse systems
- Agricultural research
- Environmental monitoring
- Smart farming
Soil Moisture Monitoring
Soil moisture data can help determine the water condition of the soil.
It can be used in compatible systems for:
- Automatic irrigation
- Water management
- Greenhouse monitoring
- Smart farming
- Plant growth monitoring
A controller can use soil moisture information as part of a programmed irrigation strategy.
Soil pH Monitoring
Soil pH represents the acidity or alkalinity characteristics of the soil environment.
pH monitoring may be useful for:
- Agricultural research
- Crop management
- Soil condition monitoring
- Greenhouse applications
- Precision farming
Different crops may require different soil conditions.
Electrical Conductivity (EC)
Electrical conductivity, commonly known as EC, is a measurement associated with the ability of the soil environment to conduct electricity.
EC readings can be affected by several factors, including:
- Soil moisture
- Dissolved salts
- Soil composition
- Temperature
EC monitoring is commonly used in agricultural and environmental monitoring applications.
Soil Salinity and Salt Monitoring
Some versions of this multifunction sensor may provide soil salinity or salt-related measurements.
Salinity information can be useful for:
- Soil condition monitoring
- Agricultural research
- Irrigation management
- Environmental monitoring
The relationship between EC and salinity depends on the measurement method and sensor design.
Important: EC and salinity are related but are not always interchangeable measurements. Always check the documentation of the specific sensor model.
NPK Nutrient Monitoring
NPK refers to three important nutrients commonly associated with plant nutrition:
- N – Nitrogen
- P – Phosphorus
- K – Potassium
The sensor may provide measurements or estimated values related to these soil nutrients, depending on the selected model.
Possible applications include:
- Smart farming
- Fertilizer management
- Precision agriculture
- Soil research
- Agricultural monitoring
Important: NPK sensor readings depend heavily on the measurement technology, calibration method, soil composition, moisture, temperature, and other environmental conditions. These readings should not automatically be considered equivalent to certified laboratory soil analysis.
RS485 Communication
The sensor uses an RS485 communication interface, which is widely used in industrial and agricultural automation.
RS485 can be used with compatible:
- PLCs
- Industrial controllers
- Agricultural controllers
- Data loggers
- IoT gateways
- Embedded monitoring systems
RS485 communication is suitable for applications requiring reliable communication between compatible devices.
Modbus RTU Protocol
Compatible versions use the Modbus RTU protocol, allowing sensor data to be read by appropriately configured Modbus systems.
Before connecting the sensor, check the supplied documentation for:
- Operating voltage
- RS485 A/B wiring
- Modbus device address
- Baud rate
- Parity
- Stop bits
- Register addresses
- Data format
These settings may vary depending on the manufacturer.
Smart Agriculture Applications
The sensor can become part of a larger agricultural monitoring system.
A typical smart agriculture setup may include:
- RS485 soil sensor
- PLC or microcontroller
- RS485 communication network
- IoT gateway
- Data logger
- Irrigation controller
- Water pump
- Solenoid valve
- Cloud monitoring platform
The collected sensor data can be monitored locally or transmitted to a compatible remote monitoring system.
Integration with Arduino and ESP32
The RS485 sensor can be integrated with embedded systems such as:
- Arduino
- ESP32
- Raspberry Pi with compatible interface hardware
- PLC
- Industrial Modbus controller
A compatible RS485 transceiver module is generally required when connecting the sensor to TTL-based microcontrollers.
Always confirm the sensor's electrical and communication specifications before making connections.
Key Features
- Multifunction agricultural soil sensor
- 7-in-1 integrated monitoring design
- Soil temperature monitoring
- Soil moisture monitoring
- Soil pH measurement
- Electrical conductivity monitoring
- Salinity or salt-related monitoring on applicable models
- NPK nutrient monitoring
- Nitrogen measurement or reporting
- Phosphorus measurement or reporting
- Potassium measurement or reporting
- RS485 communication interface
- Modbus RTU protocol support
- Suitable for industrial applications
- Ideal for smart agriculture
- Suitable for greenhouse monitoring
- Useful for precision farming
- Supports agricultural IoT systems
- Simplifies multi-parameter soil monitoring
Applications
The RS485 7-in-1 Soil Sensor is suitable for:
- Smart agriculture
- Precision agriculture
- Smart farming
- Greenhouse automation
- Soil monitoring
- Automated irrigation
- Agricultural IoT
- Crop monitoring
- Agricultural research
- Environmental monitoring
- Farm automation
- Data logging systems
- Plant research
- Educational projects
Important Notes
- Exact 7-in-1 parameters may vary depending on the manufacturer and model.
- Some product descriptions may list more than seven parameter names because EC and salinity, or other related values, may be described differently.
- Verify the exact sensor configuration before purchase and installation.
- Measurement ranges and accuracy are model dependent.
- Operating voltage may vary.
- RS485 communication settings may vary.
- Modbus register addresses are manufacturer dependent.
- Soil type, moisture, temperature, and environmental conditions can affect readings.
- NPK values may depend on the sensor's measurement methodology and calibration.
- Proper installation is important for reliable measurements.
- For critical fertilizer or soil management decisions, professional laboratory analysis may be used as an additional reference.
- Product appearance, cable length, probe design, connector type, and enclosure may vary by manufacturing batch.
Frequently Asked Questions
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