DFRobot Gravity - analogue turbidity sensor

Index: DFR-05318 EAN: 5903351243506

Sensor for testing the quality of water by measuring its turbidity. Operates at 5 volts at temperatures from -30°C to 80°C.

DFRobot Gravity - analogue turbidity sensor
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Manufacturer: DFRobot
Compatibility: Arduino

Product description: DFRobot Gravity liquid turbidity sensor analogue

A sensor that tests water quality by determining the level of turbidity. It detects particles suspended in water by measuring light transmittance and propagation rate, which changes as the total suspended solids (TSS) increases. The greater the TSS, the greater the turbidity level.

Czujnik zmętnienia cieczy analogowy - moduł DFRobot

Turbidity sensors are used, for example, to measure water quality in rivers, streams, to measure wastewater and in laboratory instruments.

Product compatible with Arduino

Example code and detailed information can be found in the user guide.

DFRobot GravitySpecifications

  • Supply voltage: 5 V DC
  • Operating current: up to 40 mA
  • Response time: less than 500 ms
  • Isolation resistance: 100 M
  • Two output signal modes:
    • Analog: voltage from 0 V to 4.5 V
    • Digital: low and high state - switching level can be adjusted using built-in potentiometer
  • Operating temperature: from -30°C to 80°C
  • Weight: 30 g
  • Probe dimensions: 28 x 34 mm
  • Module dimensions: 28 x 38 mm

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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Product reviews

DFRobot Gravity - analogue turbidity sensor


Average grade


Customers opinion
Great product.
Cut off
It does the job. Stable measurement. Note - mainly applicable to liquids, it would be nice to have a waterproof case;)
Express shipping, great packaging. I recommend.
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