{"product_id":"analog-ph-sensor-electrode-with-amplifier-circuit","title":"Analog pH Sensor Electrode with Amplifier Circuit","description":"\u003cmeta name=\"description\" content=\"Buy Analog pH Sensor Electrode with Amplifier Circuit online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eAnalog pH Sensor Electrode with Amplifier Circuit\u003c\/h1\u003e\n\u003cp\u003eAccurately measure the acidity or alkalinity of any liquid solution with this Analog pH Sensor Electrode paired with a dedicated amplifier circuit board. Designed for seamless integration with Arduino, ESP32, Raspberry Pi, and other microcontrollers, this module delivers reliable pH readings from 0 to 14 with a simple analog voltage output. Whether you're building a hydroponics controller, water quality monitor, or aquarium management system, this sensor provides the precision and ease of use your project demands. Available now from The Tech Depot, Bengaluru, with fast shipping and full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog pH Sensor with Signal Conditioning Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Measurement Range\u003c\/td\u003e\n\u003ctd\u003e0 - 14 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1 pH (at 25 degreesC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003eAnalog Voltage (0 - 5V corresponding to pH 0 - 14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 degreesC to 60 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Connector\u003c\/td\u003e\n\u003ctd\u003eBNC Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier IC\u003c\/td\u003e\n\u003ctd\u003eOp-Amp based signal conditioning circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 43 mm x 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Length\u003c\/td\u003e\n\u003ctd\u003eApprox. 150 mm (electrode body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003eApprox. 660 mm (BNC cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003eManual potentiometer adjustment on amplifier board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller Compatibility\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi (with ADC), STM32, PIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide pH Range:\u003c\/strong\u003e Measures the full 0-14 pH spectrum, covering highly acidic to highly alkaline solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Amplifier Circuit:\u003c\/strong\u003e High-impedance op-amp signal conditioning board converts the weak electrode millivolt signal into a clean, readable analog voltage for microcontrollers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Analog Output:\u003c\/strong\u003e Connect directly to any analog input pin - just read the voltage and convert to pH using a straightforward formula\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBNC Connector Interface:\u003c\/strong\u003e Industry-standard BNC connection between the electrode and amplifier board allows easy probe replacement and secure attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Calibration Potentiometer:\u003c\/strong\u003e Fine-tune the offset voltage using the trimmer pot to calibrate against standard buffer solutions for maximum accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Power Indicator:\u003c\/strong\u003e Onboard LED confirms the module is powered and operational\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Breadboard-Friendly:\u003c\/strong\u003e Small amplifier PCB with clearly labeled pins (V+, GND, Po) integrates effortlessly into prototyping setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Operates on standard 5V supply, drawing minimal current - ideal for battery-powered and portable applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass Electrode Probe:\u003c\/strong\u003e Sensitive glass bulb electrode provides accurate electrochemical response across the full pH range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Analog pH Sensor?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic:\u003c\/strong\u003e Sourced directly from trusted suppliers with verified component quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Integration:\u003c\/strong\u003e Three-wire connection (VCC, GND, Signal) makes setup effortless with any development board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable \u0026amp; Repeatable:\u003c\/strong\u003e Consistent readings after proper calibration with pH 4.0 and pH 7.0 buffer solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Community Support:\u003c\/strong\u003e Widely used module with abundant Arduino libraries, code examples, and tutorials available online\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-5 days shipping:\u003c\/strong\u003e Fast delivery from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support:\u003c\/strong\u003e Our engineering team is available 24\/7 via email and WhatsApp to help with wiring, calibration, and code\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe pH electrode is an electrochemical sensor containing a glass membrane that generates a small voltage (typically +\/-414 mV) proportional to the hydrogen ion concentration of the solution it is immersed in. This millivolt-level signal has extremely high source impedance, making it impossible to read directly with a standard microcontroller ADC. The included amplifier circuit board uses a high-input-impedance operational amplifier to buffer, amplify, and offset this signal into a 0-5V range that maps linearly to pH 0-14. You simply connect the board's analog output to an ADC pin, read the voltage, and apply a linear conversion formula (derived during calibration) to obtain the pH value.\u003c\/p\u003e\n\n\u003ch2\u003eCalibration Guide\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare Buffer Solutions:\u003c\/strong\u003e Obtain standard pH 4.0 and pH 7.0 calibration buffer solutions (available separately)\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy Analog pH Sensor Electrode with Amplifier Circuit Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eAnalog pH Sensor Electrode with Amplifier Circuit\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eAnalog pH Sensor Electrode with Amplifier Circuit\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eAnalog pH Sensor Electrode with Amplifier Circuit\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746546135297,"sku":"TTD-17590","price":2092.44,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/5c0c948c985223e19cae2649f198723c.png?v=1778107286","url":"https:\/\/techdepot.in\/products\/analog-ph-sensor-electrode-with-amplifier-circuit","provider":"Tech Depot India","version":"1.0","type":"link"}