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DFRobot Gravity Lab Grade Analog Electrical Conductivity Sensor / Meter (K=10):
The DFRobot Gravity Analog EC Sensor (K=10) is a lab-grade electrical conductivity meter designed for high-precision water quality monitoring. With a cell constant (K) of 10, it is ideal for high-conductivity solutions such as saline water, industrial wastewater, nutrient-rich hydroponics systems, or chemical process liquids.
This robust sensor integrates a premium-grade EC probe, an analog interface board, and temperature compensation support, making it a reliable solution for scientific experiments, water treatment systems, environmental monitoring, aquaponics, and IoT-based automation. Built with stability, accuracy, and durability in mind, this sensor is perfect for engineers, researchers, and serious makers looking for reliable EC measurements.
Typical Applications
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Hydroponics & Aquaponics Systems
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Scientific Research & Lab Analysis
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Water Quality Monitoring
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Industrial Wastewater Management
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Environmental Testing & Education Projects
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IoT Water Monitoring Nodes
Connection Guide (with Arduino)
| EC Module Pin | Connects To Arduino |
|---|---|
| VCC | 5V |
| GND | GND |
| AOUT | A0 (Analog Input) |
| T (optional) | Temperature Sensor |
Why Choose K=10?
The K constant determines the sensor's range:
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K=0.1 – Low EC range (ultrapure water)
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K=1.0 – General-purpose EC range
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K=10.0 – High EC range (industrial and nutrient-rich solutions)
This makes the K=10 version ideal for measuring EC in highly conductive environments such as mineralized solutions, fertilizers, or industrial fluids.
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Easy Returns
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Quality Service
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Original Product
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Analog Electrical Conductivity Meter |
| Cell Constant (K) | 10.0 |
| Measurement Range | 10,000 μS/cm ~ 100,000 μS/cm |
| Output Signal | 0 – 3.0V analog |
| Accuracy | ±5% of full scale |
| Operating Voltage | 5V DC |
| Current Consumption | 5–10mA |
| Temperature Compensation | Supported (external probe input) |
| Connector Type | Gravity 3-pin PH2.0 |
| Interface Board Size | 42mm × 32mm |
| Probe Cable Length | ~1m (shielded) |
| Compatibility | Arduino, ESP8266, ESP32, STM32, Raspberry Pi |
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