Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Interface Type | Analog (AO) |
| Operating Voltage | 3.3V - 5V DC |
| Compatibility | Arduino UNO, Mega, Nano, Raspberry Pi |
| Detection Range | 0 - 1000 ppm TDS |
| Probe Length | 60 mm |
| Cable Length | 1.5 meters |
| Output Signal | 0 - 2.3V Analog |
| Application | Hydroponics, Aquariums, Water Purification |
| Material | Corrosion-resistant Titanium Alloy Probe |
| Dimensions | 45mm x 25mm x 12mm (Module only) |
Anonymous
Mar 26, 2026
Rating: 5/5
Easy to integrate
I used this for a science project monitoring rainwater collection. The analog output is smooth and easy to read with the ADC on the microcontroller. Highly recommended for students.
Anonymous
Mar 26, 2026
Rating: 5/5
Reliable water quality monitoring
Been running this in my nutrient reservoir for three weeks now. It handles the mild acids and nutrients without corroding. The data logging has been very stable.
Anonymous
Mar 23, 2026
Rating: 4/5
Good value, needs calibration
Great module for the price. Just remember that you must calibrate it with a known solution before getting accurate absolute values. For relative changes in water quality, it is excellent out of the box.
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for my hydroponic setup
This sensor works flawlessly with my Arduino Uno. The readings are consistent and match my handheld TDS meter very closely. Setup was easy using standard analog libraries.
Anonymous
Mar 21, 2026
Rating: 3/5
Works but probe is short
The electronics work fine, but I wish the probe leads were a bit longer for deep tank applications. I had to extend the wires myself. Otherwise, functionality is as described.
Anonymous
Mar 13, 2026
Rating: 4/5
Solid build quality
The PCB looks well-made with clear labeling for VCC, GND, and SIG. The titanium probe feels durable. Took off one star because the example code provided online was slightly outdated, but easy to fix.
Q: What is the maximum temperature of water this can handle?
A: The sensor is rated for water temperatures between 0°C and 50°C (32°F - 122°F). Using it in hotter liquids may damage the probe or affect reading accuracy.
Q: Is the output digital or analog?
A: This module provides an analog output (AO) which corresponds to the TDS level. You will need to use an Analog-to-Digital Converter (ADC) pin on your microcontroller to read the value.
Q: How often does the probe need to be cleaned?
A: For best accuracy, we recommend rinsing the probe with distilled water after every use and performing a deeper clean with a soft cloth every two weeks if used continuously in nutrient-rich water.
Q: Can I use this directly with a 3.3V logic board like ESP32?
A: Yes, the sensor operates on a voltage range of 3.3V to 5V, making it fully compatible with 3.3V logic boards such as the ESP32 or ESP8266 without needing a level shifter.
Q: Does this sensor measure pH levels as well?
A: No, this module is designed specifically for measuring Total Dissolved Solids (TDS) and electrical conductivity. You would need a separate pH sensor module for acidity/alkalinity measurements.
Imported INA Needle Roller Bearings: 9NA, NA 2940, 4R22, 4924, 4926, 4928, 4930-XL A
$109.00
High-Purity Nitrogen Generator for Reflow Soldering and Wave Soldering - Efficient Energy-Saving Transformer Protection for Electronics Factories
$46,100.00
Baohong Watercolor Paper 300g Wood Pulp Medium Grain A3 Full Sheet, Coarse/ Fine Grain Academy Grade 4K, A2, A1, A4 Artist Paper 2K for Art Students
$3.40
Manyue Handmade Natural Soy Wax and White Beeswax for DIY Low-Temperature Scented Candles – Includes Candle Cups and Jelly Wax
$5.46
Car Tire Stone Removal Tool Hook and Rake for Cleaning Tread Debris
$4.53
Caiyan Blending Sticks for Oil Pastels and Sketching, Dual-Tip Soft Wax Crayon Tools for Art Students, DIY Smudging, Highlighting, and Color Mixing
$8.20
Aizaofang Six-Cavity Leaf Stamp Silicone Mold for DIY Handmade Soap, Approx. 108g per Bar
$16.90
Sea to Summit Outdoor Rafting Waterproof Dry Bag Storage Backpack for Clothes, Large River Waterproof Bag 420D
$83.30
Natural 5A Gold Rutilated Quartz Loose Beads - DIY Crystal Jewelry Making Supplies, Round Single Beads
$2.56
Rubber Cable Raceway and Speed Bump with Movable Cover
$31.44
Manufacturer Shaftless Conveyor Uniform Transport No Backflow Customizable Sizes Two-Year Warranty
$7,455.00
Curved Commercial Steamed Bun Machine - Small Glass Display Cabinet for Convenience Stores, Mantou Warmer, Baozi Steamer, Corn Warmer
$338.00
U-Shaped Rubber Sealing Strip, N-Edge Rubber Strip, Edge Wrapping Strip, Iron Sheet Decorative Strip, Rubber Edge Sealing Strip
$102.00
Rongbaozhai Calligraphy Felt Mat - Creative Printed Desk Pad for Brush Writing and Chinese Painting
$14.20
Car Tire Stone Hook, Multi-Function Rust-Resistant Tool for Removing Stones, Picking, and Scraping Tire Debris
$8.33
Hanmo Brocade Wrist Rest Traditional Four Treasures Study Gourd-Shaped Arm Pad Calligraphy Hand Pillow Artistic Fresh Wrist Rest
$9.10
West Coast Chicano Script Art, Glowing Decorative Painting for Shop Opening Gifts and Living Room Background Walls
$430.00
G80 Heavy Duty Chain SHQ - 2m/6m/8m/10m Short Chains for Manual Chain Hoists
$8.51
Commercial Food Warmer Small Heating Thermostat Display Cabinet Countertop Chestnut Egg Tart Bread Glass Cooked Food Cabinet
$188.00
Eye-Protection Highlighter Pens for Elementary Students - Colored Markers for Key Points, Note-Taking for Middle Schoolers, Journaling Pens
$1.51
Play Instantly! Steel Tongue Drum Starter Kit with Smart Practice App and Full Accessories - Perfect for Personal Use or Gifting
$338.00
Rubber Cable Protection Ramp Wire Channel Cover Outdoor Ground Crossing
$15.05
Sketch Blending Knife Set for Artists – Highlight, Detail, Shadow Blending Tools with Cotton Swabs, Scrapers, Sponge Tips, and Replacement Heads for Still Life Drawing
$4.20
Wenxin Tang Calligraphy and Painting Felt - Ancient Art Series, Double-Sided Wool Felt with Leather Desk Mat for Calligraphy and Painting, Colorful Soft Stain-Resistant Felt for Brush Writing Practice, Traditional Chinese Painting Supplies
$32.30
Construction Backfill Ceramsite Lightweight for Bathroom Garage Roof Base Concrete Roof Sloping Gardening Planting
$430.00
Scented Candle Making Kit - DIY Tools Including Wax Melting Pot, Thermometer, Heating Stove, and Containers
$6.46
Stainless Steel Multi-Function Bathroom Storage Rack - Over-Toilet Shelf with Multi-Layer Floor Standing Cabinet for Washing Machine
$48.98
Variable Frequency Drive Safety Function Module FSO-12 Kit
$9,900.00
Wheel Lug Nuts Compatible with Ford Focus, Kuga, Mondeo, Escort, EcoSport, Everest
$59.50
Cardboard Box Wholesale Taobao No.10/12 Paper Box Packing Hard Small Carton Half-Height Postal Express Packaging Box Custom
$0.14
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
