{"product_id":"gravity-7-24-industrial-analog-ph-meter-kit-arduino-raspberry-pi","title":"Gravity: 7\/24 Industrial Analog pH Meter Kit (Arduino, Raspberry Pi)","description":"\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eThe DFRobot Gravity Analog pH Meter Kit V2 is an industrial-grade pH sensing solution designed for seamless integration with Arduino, Raspberry Pi, and other 3.3V\/5V microcontroller platforms. Ideal for water quality monitoring, hydroponics, aquariums, and IoT applications across Singapore's maker community and industry, it delivers reliable pH measurements across the full 0–14 range via a plug-and-play Gravity analog interface.\u003c\/p\u003e\n\u003cp\u003eBuilt around a precision BNC pH probe and a dedicated signal conditioning board, it converts the electrochemical probe signal into a clean analog voltage output — ensuring accurate, low-noise readings suitable for both prototyping and continuous industrial deployment.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAttention:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe BNC connector and the signal conversion board must be kept dry and clean, otherwise, it will affect the input impedance, resulting in an inaccurate measurement. If it is damp, it needs to be dried.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe signal conversion board cannot be directly placed on a wet or semiconductor surface, otherwise, it will affect the input impedance, resulting in an inaccurate measurement. It is recommended to use the nylon pillar to fix the signal conversion board, and allow a certain distance between the signal conversion board and the surface.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe sensitive glass bubble in the head of the pH probe should avoid touching the hard material. Any damage or scratches will cause the electrode to fail.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAfter completing the measurement, disconnect the pH probe from the signal conversion board. The pH probe should not be connected to the signal conversion board without the power supply for a long time.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe bottle cap of the probe contains protective liquid (3.3mol\/L KCL). Even if the bottle cap is screwed tightly, some protective liquid may still leak around the bottle cap, forming white crystals. But as long as there is still protective liquid in the bottle cap, it will not affect the life and accuracy of the probe. So please use it with confidence. It is recommended that the white crystals be poured back into the protective liquid in the bottle cap.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWide pH measurement range: 0–14 pH\u003c\/li\u003e\n\u003cli\u003eHigh accuracy: ±0.1 pH at 25°C\u003c\/li\u003e\n\u003cli\u003eGravity analog interface — compatible with Arduino, Raspberry Pi, and most 3.3V\/5V microcontrollers\u003c\/li\u003e\n\u003cli\u003eBNC connector for secure and reliable probe attachment\u003c\/li\u003e\n\u003cli\u003eWide operating voltage: 3.3V–5.5V — works with both 3.3V and 5V systems\u003c\/li\u003e\n\u003cli\u003eSignal conditioning board with clean analog output (0–3.0V)\u003c\/li\u003e\n\u003cli\u003eSuitable for both educational maker projects and continuous industrial water quality monitoring\u003c\/li\u003e\n\u003cli\u003eCalibration support with standard buffer solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eAPPLICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWater quality monitoring for aquariums, ponds, and water treatment facilities\u003c\/li\u003e\n\u003cli\u003eHydroponics and precision agriculture pH control\u003c\/li\u003e\n\u003cli\u003eIoT-connected environmental monitoring stations\u003c\/li\u003e\n\u003cli\u003eIndustrial process control and quality assurance\u003c\/li\u003e\n\u003cli\u003eSchool, polytechnic, and university science lab experiments\u003c\/li\u003e\n\u003cli\u003eSwimming pool and spa water management systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eTECHNICAL DETAILS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Conversion Board (Transmitter) V2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Voltage: 3.3~5.5V\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 0~3.0V\u003c\/li\u003e\n\u003cli\u003eProbe Connector: BNC\u003c\/li\u003e\n\u003cli\u003eSignal Connector: PH2.0-3P\u003c\/li\u003e\n\u003cli\u003eMeasurement Accuracy: ±0.1@25℃\u003c\/li\u003e\n\u003cli\u003eDimension: 42mm*32mm\/1.66*1.26in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003epH Probe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProbe Type: Industrial Grade\u003c\/li\u003e\n\u003cli\u003eDetection Range: 0~14\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0~60°C\u003c\/li\u003e\n\u003cli\u003eAccuracy : ± 0.1pH (25 ℃)\u003c\/li\u003e\n\u003cli\u003eResponse Time: \u0026lt;1min\u003c\/li\u003e\n\u003cli\u003eProbe Life: 7*24hours \u0026gt;0.5 years (depending on the water quality)\u003c\/li\u003e\n\u003cli\u003eCable Length: 500cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSHIPPING LIST\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x pH Probe (Industrial Grade)\u003c\/li\u003e\n\u003cli\u003e1x pH Signal Conversion Board V2\u003c\/li\u003e\n\u003cli\u003e1x Gravity Analog Sensor Cable\u003c\/li\u003e\n\u003cli\u003e2x Waterproof Gasket\u003c\/li\u003e\n\u003cli\u003e1x Screw Cap for BNC Connector\u003c\/li\u003e\n\u003cli\u003e4x M3 * 10 nylon pillar\u003c\/li\u003e\n\u003cli\u003e8x M3 * 5 screws\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":53325974569273,"sku":"SEN0169-V2","price":102.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/5369\/6313\/files\/Gravity-7-24-Industrial-Analog-pH-Meter-Kit-_Arduino_-Raspberry-Pi_-1.jpg?v=1779725739","url":"https:\/\/kuriosity.sg\/products\/gravity-7-24-industrial-analog-ph-meter-kit-arduino-raspberry-pi","provider":"Kuriosity","version":"1.0","type":"link"}