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Measure Chemical Conditions with a Sensor Made for Embedded Projects

The TDS Sensor Meter Analog for Arduino Gravity is a tds sensor with analog output designed for water quality work, lab projects, and environmental monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include TDS Measurement Range: 0 ~ 1000ppm; Output Voltage: 0 ~ 2.3V; Good Compatibility Output: 0~2.3V analog signal output, compatible with 5V or 3.3V controller.

Important: Most gas and chemical sensors work best after warm-up and calibration. Readings can drift with temperature, humidity, and sensor age.

Why you’ll love it

  • Waterproof Probe: Waterproof Probe
  • TDS Sensor Meter Analog: TDS Sensor Meter Analog for Arduino Gravity x1
  • Waterproof TDS Probe x1: Waterproof TDS Probe x1
  • Easy wiring: PH2.0-3P
  • Controller output: 0~2.3V analog signal output, compatible with 5V or 3.3V controller
  • Power range: 0 ~ 2.3V

Compare with similar products

Product Sensor style Standout
TDS Sensor Meter Analog for Arduino Gravity TDS sensor with analog output Current item
Analog Dissolved Oxygen Sensor Meter Kit For Arduino Gravity chemical sensor module with analog output analog output
pH Meter Sensor Analog Kit (Arduino Compatible) pH sensor with analog output analog output
Atlas Scientific Dissolved Oxygen Kit chemical sensor module remote probe format

What you can build

This sensor is a good fit for water test rigs, hydroponics monitors, lab logging, aquarium control, and environmental stations.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include calibration solutions, probe holders, and a data logger, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product TDS Sensor Meter Analog for Arduino Gravity
Module Interface PH2.0-3P
Electrode Interface XH2.54-2P
Connection Interface XH2.54-2P
Good Compatibility Output 0~2.3V analog signal output, compatible with 5V or 3.3V controller
Output Voltage 0 ~ 2.3V
TDS Measurement Range 0 ~ 1000ppm
Wide Voltage Input 3.3~5.5V
Input Voltage 3.3 ~ 5.5V

Wiring & usage notes

Connect power and ground, then read the sensor output with an analog-capable input or external ADC. Stable power and a clean ground help reduce noise. Most gas and chemical sensors work best after warm-up and calibration. Readings can drift with temperature, humidity, and sensor age.

What’s in the box

1 × TDS Sensor Meter Analog for Arduino Gravity

Frequently Asked Questions

What does the TDS Sensor Meter Analog for Arduino Gravity measure? It is designed to measure total dissolved solids.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Analog sensor? This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.
Does it need calibration? Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

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Notes from the bench

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