pH sensor

Digital Fiber, Photoelectric, Laser Range, Optical, Temperature, Rotary Encoder, Ultrasonic, Gas, Gyro, Accelerometer, FlexiBend, Flexiforce, Compass......

pH sensor

Postby teochiashen » Wed Feb 22, 2012 12:03 am

Anyone know which ph probe or sensor suitable for measure the ph level of aquarium water? And how is the circuit look like?? Thanks.
teochiashen
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