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Measure pH easily
A pH meter doesn't need to be complicated or expensive. This is a very affordable alternative to the expensive lab-grade equipment that is more commonly available. It is very easy to use and will make it simple to monitor the pH of a pool or hydroponic system.
Everything needed to get setup is included; the board itself, a pH probe, and calibration solution. The board has a standard BNC connector for the probe, any probe will work with it. The probe provided here is a typical pH probe, plastic body, single junction, gel filled, and able to measure between 0 - 14 pH with a response time of ~2 minutes. Three calibration solutions are provided, 4, 7, and 10, to allow you to calibrate the probe to a wide range of measurements. The device is accurate to approximately 0.05 pH.
A DS18B20 temperature probe interface is available to optionally use temperature compensation.
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Open source sensors for hydroponics, saltwater aquariums and pools, water quality, etc.
All sensors are hand-made and tested. Other sensors will be available in the future to include
a capacitance-based liquid level detector
electric pump controller