導電度 ( Electrical conductivity , EC )
根據環境部的全國環境水質監測資訊網的名詞解釋
表示水傳導電流能力,導電度與水中離子總濃度、移動性、價數、相對濃度及水溫等有關。通常導電度愈高,表示水中電解質含量較多。由於大部分鹽類都可電離,因此導電度也可表示水中總溶解固體的多寡。導電度太高對灌溉有不良的影響,因此導電度為灌溉水質之重要指標項目之一。
https://wq.moenv.gov.tw/EWQP/zh/Encyclopedia/NounDefinition/Pedia_48.aspx
功能
- Easier to measure the compensated temperature data
- Plug-and-play, no solder required
規格
- 工作電壓:3.0~5.0V
- 輸出電壓: 0~3V
- 探頭類型:工業級
- Cell Constant: K=1
- Temperature Detector: PT1000 platinum resistance thermometer
- Maximum Range: 1-2200μs/cm
- Practical Range: 100-2000μs/cm
- 工作溫度:0-50℃ (non-freezing)
- Pressure Resistant: 0.5MPa
- 防水等級:IP68
- 導線長度:500cm
出貨清單:
- Electrical Conductivity Probe x1
- Electrical Conductivity Signal Conversion Board (Industrial Grade) x1
- PT1000 RTD Signal Conversion Board x1
- Gravity Sensor Cable x2
- Waterproof Joint x1
- Waterproof Aviation Connector x1
- Electrical Conductivity Calibration Standard Solution 1413µs/cm x4
- Nylon Pillar Screws Kit x1
DFROBOT說明與範例
https://wiki.dfrobot.com/SKU_SEN0451_Gravity_Analog_Electrical_Conductivity_Sensor_PRO_K_1
液體感測器選用指南
https://robotkingdom.com.tw/2022/02/18/gravity-liquid-sensor-selection-guide/