pH

Product Price
EC Shield (Assembled) EC Shield (Assembled) The EC Shield allows you to easily start monitoring conductivity levels of any solution. With a hookup for an EC probe (DIY probe... $27.95
BNC Sensor Shield (Assembled) pH Sensor Shield (assembled) Give your Arduino the ability to measure pH and ORP with the BNC sensor shield. The simple configuration means you can be up and... $35.20
Reduced from
$42.95