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Wendry Quality Testing Domestic Hydroponics Review

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Very good

Revainrating 4 out of 5  
Rating 
4.0
🔬 Substance Analysis Instrumentation, 🔍 Test, Measure & Inspect

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Description of Wendry Quality Testing Domestic Hydroponics

【Water Quality Testing】The for Arduino compatible TDS sensor is used to measure the TDS value of water. And the TDS value reflects the cleanliness of the water.TDS Indicates how many milligrams of dissolved solids are dissolved in 1 liter of water. Generally, the higher TDS value means that the more lysate is contained in the water and the less cleanness of water. 【High Performance】The wide supply voltage of 3.3~5.5V and the analog signal output of 0~2.3V make this product compatible with 5V, 3.3V control system, which can be easily used in off-the-shelf control systems. The excitation source is used for measurement by using an AC signal to effectively prevent probe polarization, extending probe life and increasing the stability of the output signal. 【Plug and Play and Easy to Use】This water quality testing kit is plug and play and easy to use. Using a dedicated instrument,it can transmit data, it is very accurate,enabling long-term online monitoring and analysis of water quality.To this end, we specifically introduced this for Arduino-compatible TDS sensor, which can be used to measure the TDS value of water after it is connected to the controller. 【Wide Applicability】This water sensor, can be used for water quality testing in areas such as domestic water and hydroponics. With this sensor, you can easily make your own TDS detector and easily check the cleanliness of the water to improve water quality.Meanwhile the TDS probe is a waterproof probe that can be immersed in water for a long time. 【Quality Service】If the product has any quality problems and you have any questions about this product, you can contact us at any time. We have a professional customer service team and will provide you with the best quality service. We will try our best to solve your problem in time, please rest assured to buy.

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Revainrating 4 out of 5

Decent sensor great price

I am using this with esp8266. It should be noted that you need to calibrate this and do a 2 point calibration, one at 1000ppm, another at 500 or whatever range you expect to measure. Don't calibrate 0ppm at 0 volts with a microcontroller based ADC unless you plan to use a terminal cap and build an isolation circuit for it. 12-bit ADCs are often noisy even with a stable reference voltage. If you calibrate 0 ppm at 0 volts, the entire scale will be linearly distorted. Use a lower non-zero range…

Pros
  • Wide applicability
Cons
  • I will add later