
DFR0300-H · DFRobot

Analog electrical conductivity sensor for high-EC liquids like seawater; compatible with Arduino/Raspberry Pi, features plug-and-play design, supports single-point calibration. (DFRobot DFR0300-H)
| Part number | DFR0300-H |
|---|---|
| Manufacturer | DFRobot |
| Category | Sensors › Water Quality & Chemical |
| Pins | 3 |
Gravity: Lab Grade Analog EC / Electrical Conductivity Sensor for Wastewater Testing (K=10) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SIG | bidirectional | Digital or analog signal |
| 2 | VCC | power | |
| 3 | GND | ground |
Schematic symbol and footprint
Footprint: JST PH 2.0 mm 3-pin through-hole (Gravity PH2.0-3P) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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