TDS sensor, for water quality, 3.3-5.5 VDC, measuring range 0-1000 ppm, cable length 60 cm, white
(0 review)

SKU : WPM356
Quantity on Hand : 3
Skill Level : Assembled and Tested

Buy 10, Get 5% Off!
Buy 100, Get 10% Off!

10.45 10.450000000000001 USD 10.45


Not Available For Sale

  • WeightMajor
  • WeightMinor

This combination does not exist.

Add to cart


This sensitive measurement board measures water quality based on the total dissolved solids or TDS. This is a convenient module for checking the purity of your tap water, aquarium water, etc.

The set consists of a measurement board and a detachable waterproof measuring probe of 60 cm. The board features a standard 3-pin header interface connection and provides an analog voltage readout. With a measuring range of 0-1000 ppm and an accuracy of ± 10% full scale (at 25 °C), this module is widely applicable.

+ Broad voltage compatibility: This module operates reliably within a voltage range of 3.3 to 5.5 VDC, making it suitable for various electronic applications.

+ Accurate water quality measurement: This TDS sensor provides accurate measurements of total dissolved solids (TDS) in water, with a measuring range of 0-1000 ppm. This allows you to reliably check the purity of your tap water, aquarium water, and more.

+ Versatile applications: This module is versatile and suitable for various applications, from automation, home automation and robotics to environmental and industrial monitoring.

+ STEM project: Develop and improve your STEM skills and acquire the knowledge, skills and experience needed to face the technological challenges of the future with this educational kit. This educational kit will trigger a number of processes such as problem-solving, investigative and creative thinking.

+ Made in Belgium: Whadda is a unique brand from Belgium's Velleman Group that offers DIY projects for hobbyists or makers who want to immerse themselves in electronics, programming and mechanics.


  • detachable water-proof measurement probe included
  • sensitive measurement board with simple analog voltage readout
  • supply voltage: 3,3 - 5,5 V DC
  • sensor output voltage: 0 - 2,3 V DC
  • working current: 3 - 6 mA
  • TDS measurement range: 0 - 1000 ppm
  • TDS measurement accuracy: ± 10 % full-scale (at 25 C)
  • module interface connector: standard 3-pin header
  • electrode interface connector: JST XH2,54-2P
  • cable length: 60 cm

Operational properties:

  • Instruction manual languages English
  • Coding skill level 3
  • Electronics skill level 1
  • Mechanics skill level none
  • Soldering skill level none

Product basic info:

  • Colour unit White
  • Depth unit 3.8 cm
  • Height unit 15.5 cm
  • Weight unit 42 g
  • Width unit 7.8 cm

Documentation and Downloads