![]() Please don’t worry about the crystallization in the packing box, that’s normal. Note: After you received your package! You may found some white particles on the protection foam which is the KCl crystallization from the cap. A pH less than 7 is said to be acidic and solutions with a pH greater than 7 are basic or alkaline.” The total pH scale ranges from 1 to 14, with 7 considered to be neutral. You also have the right to file a complaint to a supervisory data protection authority.“pH stands for power of hydrogen, which is a measurement of the hydrogen ion concentration in the body. ![]() Withdrawal of consent has no bearing on the legitimacy of processing that was performed prior to the withdrawal. ![]() To the extent that your personal data is processed on the grounds of your consent, you have the right to withdraw that consent.You have the right to access your personal data and request it to be corrected, deleted, or limit its processing.Your personal data will be stored until you withdraw your consent to the processing of your personal data.Providing data is voluntary, however, it is necessary to send an information bulletin.Your data will be processed on the basis of point (a) of Article 6(1) of Regulation of the European Parliament and of the Council (EU) 2016/679 of 27 April 2016 on the protection of individuals with regard to the processing of personal data and on the free movement of such data and the repeal of Directive 95/46/EC (hereinafter referred to as: GDPR), in order to send to the provided e-mail address, an electronic news bulletin of TME.The personal data controller has appointed a data protection officer, who can be reached via email.Ustronna 41, 93-350 Łódź hereby informs you that it will be the controller of your personal data. Sensor applications also cover areas such as aquaponics, hydroponics, horticulture, bio-robotics and even. The DF-SEN0161 will therefore allow you to monitor the pH of the water in aquariums, swimming pools, wells, rainwater tanks etc. At the optimum temperature (25☌), the DFRobot module has an accuracy of ☐.1, while the pH value for groundwater ranges from 6 (weakly acidic) to 8.5 (weakly alkaline). The DF-SEN0161 sensor has a measuring range from 0 to 14, i.e., it measures from the pH value of highly concentrated hydrochloric acid (HCl hydrogen chloride) to the alkalinity of lye (sodium hydroxide NaOH). Note: between calibration measurements, the sensor should be rinsed, and a stable value is obtained not earlier than after 60 seconds of immersion of the electrode in the solution. To correct the output value, use a potentiometer placed on the board next to the BNC connector of the electrode - tuning can also be done by software, e.g., by changing the value of the coefficient using buttons, if we program our device in this way. For precise calibration of the module, use distilled water (neutral solution, pH = 7) and buffers (samples with a strictly defined pH value) available in the form of liquids and powders. ![]() Since the DFRobot belongs to analogue sensors, it can be connected directly to a microcontroller or work with Arduino, Raspberry Pi, ESP32, and other platforms via an A/D converter (it will be necessary for systems working with 3.3 V).
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