{"product_id":"analog-dissolved-oxygen-sensor-kit-with-galvanic-p","title":"Analog Dissolved Oxygen Sensor Kit With Galvanic Probe No Polarization Instant Read DO Meter 0 To 20 Mg Per Liter For Arduino ESP32 And Raspberry Pi Water Quality Monitor For Aquaculture And IoT","description":"\u003cdiv\u003eSingle-Unit Analog DO Sensor Kit with Galvanic Probe for IoT\u003cbr\u003e\n✔️ 3.3-5.5V supply, 0-20 mg\/L DO range, gravity analog output \u003cp\u003eThis open-source dissolved oxygen sensor kit uses a galvanic probe for fast, polarization-free readings. It’s designed for Arduino, ESP32, and Raspberry Pi projects, making it ideal for DIY aquariums, small-scale aquaculture, and IoT water-quality monitors.\u003c\/p\u003e ✅ Detection range: 0-20 mg\/L\u003cbr\u003e\n✅ Response time: up to 90 seconds to 98% at 25°C\u003cbr\u003e\n✅ Galvanic probe with replaceable membrane cap and filling solution\u003cbr\u003e\n✅ Wide operating voltage 3.3-5.5V; 0-3.0V analog output via Gravity interface\u003cbr\u003e\n✅ Cable length: 2 m (2000 mm, 78.7 in); probe connector: BNC\u003cbr\u003e\n✅ Electrode life: about 1 year; maintenance: membrane cap + filling solution replacement\u003cbr\u003e\n✅ Note: filling solution (0.5 mol\/L NaOH) not included; purchase locally\u003cbr\u003e \u003cp\u003e💡 What is an analog dissolved oxygen sensor kit used for in water quality monitoring?\u003c\/p\u003e\n\u003cp\u003eThis handy setup helps monitor oxygen levels to protect aquatic life and optimize water quality in DIY and educational projects.\u003c\/p\u003e\n- Use with Arduino, ESP32, Raspberry Pi for real-time DO readouts\u003cbr\u003e\n- Calibrate at setup and periodically to maintain accuracy across temperatures\u003cbr\u003e\n- Replace membranes and filling solution to reduce long-term costs\u003cbr\u003e\n- Handy for home reef tanks, small farms, and STEM learning environments\u003cbr\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48145266573547,"sku":"VXB08JGRT7RM","price":254.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61fKBB6v5lL.jpg?v=1777098151","url":"https:\/\/vxb.com\/products\/analog-dissolved-oxygen-sensor-kit-with-galvanic-p","provider":"VXB Bearings","version":"1.0","type":"link"}