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  • VIDEO
TDS Sensor Water Conductivity Meter Gikfun_Official_Store
  • Gikfun 2PCS TDS Sensor Water Conductivity Meter, 0-1000ppm Analog Output Sensor Module with Waterproof Probe, Compatible with Arduino for Hydroponics, Labs, Water Quality Testing EK2169
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Gikfun 2PCS TDS Sensor Water Conductivity Meter, 0-1000ppm Analog Output Sensor Module with Waterproof Probe, Compatible with Arduino for Hydroponics, Labs, Water Quality Testing EK2169

4.0 out of 5 stars (3)
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Purchase options and add-ons

  • Wide Voltage Input: 3.3V to 5.5V
  • Working Current: 3 ~ 6mA, TDS Measurement Range: 0 ~ 1000ppm
  • Good Compatibility Output: 0 to 2.3V analog signal output, compatible with 5V or 3.3V controller.AC Excitation Source, effectively prevent probe from polarization
  • Easy to Use: Arduino compatible, simple connection, plug and play without soldering. You can build a TDS detector easily to measure the TDS value of liquid
  • It can be used in water quality application, such as domestic water, hydroponics. So you can easily DIY water purity tester
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Product details

  • Parcel Dimensions ‏ : ‎ 13.69 x 10.49 x 3.51 cm; 50 g
  • Date First Available ‏ : ‎ July 2 2025
  • Manufacturer ‏ : ‎ Gikfun
  • ASIN ‏ : ‎ B0FC2FJ185
  • Manufacturer reference ‏ : ‎ EK2169 TDS Sensor
  • 鶹 Rank: #25,820 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Customer Reviews:
    4.0 out of 5 stars (3)

Frequently bought together

This item: Gikfun 2PCS TDS Sensor Water Conductivity Meter, 0-1000ppm Analog Output Sensor Module with Waterproof Probe, Compatible with Arduino for Hydroponics, Labs, Water Quality Testing EK2169
$29.98
Get it by Monday, Jan 5
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Sold by Gikfun_Official_Store and ships from 鶹 Fulfillment.
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Product Description

6
TDS Sensor Water Conductivity Meter Compatible
1

Specification

  • Input Voltage: 3.3 ~ 5.5V
  • Output Voltage: 0 ~ 2.3V
  • TDS Measurement Range: 0 ~ 1000ppm
  • TDS Measurement Accuracy: ± 10% F.S. (25 ℃)
  • Module Interface: PH2.0-3P
  • Electrode Interface: XH2.54-2P

2PCS TDS Sensor Water Conductivity Meter Compatible with Arduino

Easy to Use: Arduino compatible, simple connection, plug and play without soldering. You can build a TDS detector easily to measure the TDS value of liquid

It can be used in water quality application, such as domestic water, hydroponics. So you can easily DIY water purity tester

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Customer Reviews
4.6 out of 5 stars 342
4.2 out of 5 stars 115
4.2 out of 5 stars 90
4.0 out of 5 stars 123
4.3 out of 5 stars 57
4.5 out of 5 stars 196
soldering kit ✓ ✓ ✓ ✓ ✓ ✓
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Product Summary: Gikfun 2PCS TDS Sensor Water Conductivity Meter, 0-1000ppm Analog Output Sensor Module with Waterproof Probe, Compatible with Arduino for Hydroponics, Labs, Water Quality Testing EK2169

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4.0 out of 5 stars, 3 ratings

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About this Item

  • Wide Voltage Input: 3.3V to 5.5V
  • Working Current: 3 ~ 6mA, TDS Measurement Range: 0 ~ 1000ppm
  • Good Compatibility Output: 0 to 2.3V analog signal output, compatible with 5V or 3.3V controller.AC Excitation Source, effectively prevent probe from polarization
  • Easy to Use: Arduino compatible, simple connection, plug and play without soldering. You can build a TDS detector easily to measure the TDS value of liquid
  • It can be used in water quality application, such as domestic water, hydroponics. So you can easily DIY water purity tester

Product description

Specifications: Input Voltage: 3.3 ~ 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
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