SEN0244

SEN0244 Datasheet


Gravity Analog TDS Sensor / Meter For Arduino

Part Datasheet
SEN0244 SEN0244 SEN0244 (pdf)
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Gravity Analog TDS Sensor / Meter For Arduino

SKU SEN0244

TDS Total Dissolved Solids indicates that how many milligrams of soluble solids dissolved in one liter of water. In general, the higher the TDS value, the more soluble solids dissolved in water, and the less clean the water is. Therefore, the TDS value can be used as one of the references for reflecting the cleanliness of water.

TDS pen is a widely used equipment to measure TDS value. The price is affordable, and it is easy to use, but it is not able to transmit data to the control system for online monitoring to do some water quality analysis. The professional instrument has high accuracy and can send data to the control system, but the price is expensive for the ordinary people. To this end, we have launched an analog TDS sensor kit which is compatible with Arduino, plug and play, easy to use. Matching with Arduino controller, you can build a TDS detector easily to measure the TDS value of liquid.

This product supports ~ 5.5V wide voltage input, and 0 ~ 2.3V analog voltage output, which makes it compatible with 5V or 3.3V control system or board. The excitation source is AC signal, which can effectively prevent the probe from polarization and prolong the life of the probe, meanwhile, increase the stability of the output signal. The TDS probe is waterproof, it can be immersed in water for long time measurement.

This product can be used in water quality application, such as domestic water, hydroponics. With this product, you can easily DIY a TDS detector to reflect the cleanliness of water to protect your health.

Attention 1.The probe can not be used in water above 55 degrees centigrade. 2.The probe can not be left too close to the edge of the container, otherwise it will affect the reading. 3.The head and the cable of the probe are waterproof, but the connector and the signal transmitter board are not waterproof. Please be careful.

Specification
• Signal Transmitter Board Input Voltage ~ 5.5V Output Voltage 0 ~ 2.3V Working Current 3 ~ 6mA TDS Measurement Range 0 ~ 1000ppm TDS Measurement Accuracy ± 10% F.S. 25 Module Size 42 * 32mm Module Interface PH2.0-3P Electrode Interface XH2.54-2P
• TDS probe Number of Needle 2 Total Length 83cm Connection Interface XH2.54-2P Colour Black Other Waterproof Probe

Board Overview

Analog TDS Sensor / Meter For Arduino

Num 1 2 3 4 5

Label + A TDS LED

Description Power GND 0V Power VCC 3.3 ~ 5.5V Analog Signal Output 0 ~ 2.3V TDS Probe Connector Power Indicator

Tutorial

This tutorial will show you how to measure the TDS value of the water. Please read this tutorial carefully, and pay attention to the steps and details.

The probe can not to be used in water above 55 degrees centigrade. The probe can not be too close to the edge of the container, otherwise it will affect the reading. The head and the cable of the probe are waterproof, but the connector and the signal transmitter board are not waterproof.Please pay attention to use.

Requirements
• Hardware DFRduino UNO R3 or similar x 1 Analog TDS Sensor / Meter Module x 1 TDS Probe x1 Jumper Wires x3 tested liquid x1
• Software

Arduino IDE Version requirements V1.0.x or V1.8.x , Click to Download Arduino IDE from

Connection Diagram

Sample Code

DFRobot Gravity Analog TDS Sensor / Meter For Arduino
r_For_Arduino_SKU:_SEN0244>

Created 2017-8-22 By Jason

GNU Lesser General Public License. See for details. All above must be included in any redistribution
/***********Notice and Trouble shooting***************

This code is tested on Arduino Uno and Leonardo with Arduino IDE r2 and

More details, please click this link:
#define TdsSensorPin A1
#define VREF
// analog reference voltage Volt of the ADC
#define SCOUNT 30
// sum of sample point
int analogBuffer[SCOUNT] from ADC
// store the analog value in the array, read
int analogBufferTemp[SCOUNT];
int analogBufferIndex = 0,copyIndex = 0;
float averageVoltage = 0,tdsValue = 0,temperature = 25;
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Datasheet ID: SEN0244 509134