Gravity: Analog Electrical Conductivity Sensor /Meter V2 (K=1)

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  • DFR0300
  • DFR0300
INTRODUCTION DFRobot Gravity: analog electrical conductivity meter V2 is specially used to... more
Product information "Gravity: Analog Electrical Conductivity Sensor /Meter V2 (K=1)"

INTRODUCTION

DFRobot Gravity: analog electrical conductivity meter V2 is specially used to measure the electrical conductivity of aqueous solution, and then to evaluate the water quality, which is often used in water culture, aquaculture, environmental water detectionand other fields.

This product, as an upgraded version of electrical conductivity meter V1, greatly improves the user experience and data precision. It supports 3~5v wide voltage input, and is compatible with 5V and 3.3V main control board; The output signal filtered by hardware has low jitters; The excitation source adopts AC signal, which effectively reduces the polarization effect, improves the precision and prolongs the life of the probe; The software library uses two-point calibration method, and can automatically identify standard buffer solution, so simple and convenient.

With this product, main control board (such as Arduino) and the software library, you can quickly build an electrical conductivity meter, plug and play, no welding. DFRobot provides a variety of water quality sensor products, uniform size and interface, not only meet the needs of various water quality testing, but also suitable for the DIY of multi-parameter water quality tester.

Conductivity is the reciprocal of the resistance, which is related to the ability of the material to carry the current. In the liquid, the reciprocal of the resistance, the conductivity, is the measure of its ability to conduct electricity. Conductivity is an important parameter of water quality. It can reflect the extent of electrolytes present in water.

Tips:
In order to ensure the measurement accuracy, it is strongly recommended to add a temperature sensor to measure the temperature, and achieve automatic temperature compensation. DS18B20 waterproof temperature sensor can also be used. 
 

DFR0300-Arduino Connection Diagram
Arduino Connection Diagram

Attention:
1.The probe is a laboratory-grade probe. Do not immerse in liquid for a long time. Otherwise this will shorten the life of the probe.
2.Platinum black layer is attached to the surface of the sheet metal in the probe.It should avoid any object touching it. It can only be washed with distilled water, otherwise the platinum black layer will be damaged, resulting in inaccurate measurement.

FEATURES

  • 3.0~5.0V wide voltage input
  • Hardware filtered output signal, low jitter
  • AC excitation source, effectively reduce polarization
  • Gravity connector and BNC connector, plug and play, no welding
  • Software library supports two-point calibration, and automatically identifies standard buffer solution, integrates temperature compensation algorithm
  • Uniform size and connector, convenient for the design of mechanical structures

APPLICATIONS

  • Water quality monitoring.
  • Aquaculture.
  • Hydroponic & Aquaponic.

SPECIFICATION

Signal Conversion Board (Transmitter) V2

  • Supply Voltage: 3.0~5.0V
  • Output Voltage: 0~3.4V
  • Probe Connector: BNC
  • Signal Connector: PH2.0-3Pin
  • Measurement Accuracy: ±5% F.S.
  • Board size: 42mm*32mm/1.65in*1.26in

Electrical Conductivity Probe

  • Probe Type: Laboratory Grade
  • Cell Constant: 1.0
  • Support Detection Range: 0~20ms/cm
  • Recommended Detection Range: 1~15ms/cm
  • Temperature Range: 0~40°C
  • Probe Life: >0.5 year (depending on frequency of use)
  • Cable Length: 100cm

SHIPPING LIST

  • Electrical Conductivity Probe?K=1,Laboratory Grade?   x1
  • Signal Conversion Board (Transmitter) V2    x1
  • Standard Buffer Solution 1413us/cm            x2
  • Standard Buffer Solution 12.88ms/cm          x2
  • Gravity Analog Sensor Cable                         x1
  • Waterproof Gasket                                        x2
  • Screw Cap for BNC Connector                x1
  • M3 * 10 nylon pillar  x4
  • M3 * 5 screw                    x8
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