Water Quality Sensors

Version 10.1 by Karry Zhuang on 2024/07/18 12:01

Table of Contents:

1. DR-ECK Water EC Probe

1.1 Specification:

  • Power Input: DC7~30
  • Power Consumption : < 0.5W
  • Interface: RS485. 9600 Baud Rate
  • EC Range & Resolution:
    • ECK0.01 : 0.02 ~ 20 μS/cm
    • ECK0.1: 0.2 ~ 200.0 μS/cm
    • ECK1.0 : 2 ~ 2,000 μS/cm  Resolution: 1 μS/cm
    • ECK10.0 : 20 ~ 20,000 μS/cm  Resolution: 10 μS/cm
  • EC Accuracy: ±1% FS
  • Temperature Measure Range: -20 ~ 60 °C
  • Temperature Accuracy: ±0.5 °C
  • IP Rated: IP68
  • Max Pressure: 0.6MPa

1.2 Application for Different Range

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1.3 Wiring

1.4 Mechinical Drawing

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1.5 Installation

1.6 Maintain

1.7 RS485 Commands

The address of the EC K1 sensor is 11

The query data command is 11 03 00 00 00 02 C6 9B

For example, the returned data is 11 03 04 02 AE 01 64 8B D0, 02 AE is converted to decimal 686,  K=1, EC: 686uS/cm

The address of the EC K1 sensor is 12

The query data command is 12 03 00 00 00 02 C6 A8

; when K=10, EC: 6860uS/cm.

2. DR-PH01 Water PH Sensor

2.7 RS485 Commands

The address of the dissolved oxygen sensor is 12

The query data command is 14 03 00 14 00 01 C6 CB

3. DR-ORP1 Water ORP Sensor

3.7 RS485 Commands

The address of the dissolved oxygen sensor is 13

The query data command is 14 03 00 14 00 01 C6 CB

4. DR-DO1 Dissolved Oxygen Sensor

4.7 RS485 Commands

The address of the dissolved oxygen sensor is 14

The query data command is 14 03 00 14 00 01 C6 CB

After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 03 78 B5 55. 03 78 is the value of dissolved oxygen.

Converted to decimal, it is 888. Add two decimal places to get the actual value. 03 78 means the current dissolved oxygen is 8.88mg/L

5. DR-TS1 Water Turbidity Sensor

5.7 RS485 Commands

The address of the dissolved oxygen sensor is 15

The query data command is 15 03 00 14 00 01 C6 CB

 

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