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Small circuit board with 83cm waterproof probe cable and 3-pin connector

LORDWORLD

LORDWORLD Analog TDS Meter Sensor Kit 83cm Probe 0-1000ppm ±10% development board

SKU CH-6YP3-P6AGX

Measures total dissolved solids from 0 to 1000 ppm with ±10% accuracy using an 83 cm waterproof probe and Gravity 3-pin interface

  • Accurate TDS readings from 0 to 1000 ppm with ±10% precision
  • 83 cm waterproof probe enables long-term immersion for continuous monitoring
  • AC excitation prevents polarisation, extending probe life and stabilising output
  • Gravity 3-pin plug-and-play interface works without soldering
  • Wide 3.3 to 5.5 V input and 0 to 2.3 V output suit 3.3 V or 5 V boards

TDS sensor kit for Arduino projects

This LORDWORLD kit measures total dissolved solids from 0 to 1000ppm with ±10% accuracy for hydroponics, aquarium and drinking-water monitoring. The package includes an 83cm waterproof probe and a Gravity signal board that plugs directly into a development board without soldering. Sample code is provided to start data logging immediately. Makers who need continuous immersion readings will find the AC-excitation design reduces polarisation drift over time.

Gravity 3-pin interface and AC-excited probe

The probe tip and cable are fully waterproof for long-term submersion while the connector and converter board must stay dry. A Gravity 3-pin cable carries power and the 0 to 2.3V analogue output to the host board. The excitation source uses an AC signal to prevent electrode polarisation, extending probe life and keeping output stable during extended deployments. Builders should route the cable so the board remains above any splash zone.

Check voltage and mounting before ordering

The sensor operates from a 3.3 to 5.5V supply, so confirm your microcontroller matches this range. Only the probe and its cable tolerate water; the signal board and 3-pin plug are not waterproof and need a dry enclosure. The analogue output tops out at 2.3V, so verify your ADC reference can resolve that span. Users who require a fully sealed transmitter or wireless link will need a different solution.

Pluspunten

  • Accurate TDS readings from 0 to 1000 ppm with ±10% precision
  • 83 cm waterproof probe enables long-term immersion for continuous monitoring
  • AC excitation prevents polarisation, extending probe life and stabilising output
  • Gravity 3-pin plug-and-play interface works without soldering
  • Wide 3.3 to 5.5 V input and 0 to 2.3 V output suit 3.3 V or 5 V boards

Specificaties

BrandLORDWORLD

Vragen over dit artikel

What analog voltage range does the Gravity 3-pin interface output, and what TDS ceiling does it represent?

The sensor outputs 0 to 2.3 V, corresponding to a 0-1000 ppm measurement range with ±10% accuracy.

How long is the waterproof probe cable, and which parts must stay dry?

The probe cable is 83 cm long; the tip and cable are submersible, but the connector and signal board are not waterproof.

What supply voltage does the board accept, and what common wiring mistake causes bad readings?

It accepts 3.3 to 5.5 V; reversing the Gravity 3-pin plug or powering the board before the probe is immersed gives erratic values.

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