Analog pH sensor suitable for Arduino (OT3489)

Want to measure the water quality of your pool or aquarium, but don't have a cheap pH meter
This analog pH meter, compatible with Arduino controllers, has a built-in simple, convenient and practical connection. The PH electrode has a single barrel that allows direct connection to another PH device with a BNC input connector.
This sensor is accurate and reliable and can give almost instantaneous measurements. Use in conjunction with our sensor amplifier module OT3470 (sold separately)

PH Range: 0-14 PH
Temperature Range: 0-60
Zero Point: 7 ± 0.5PH
Alkali Error: 0.2PH
Theoretical Slope Percentage: 98.5%
Internal Resistance: 250M
Response Time: 1min
Operating Temperature: 0-60
Terminal Blocks: BNC Plug
BNC connector suitable for most PH meters and controllers.
Cable Length: 92cm
Suitable for a wide range of applications: aquariums, hydroponics, laboratory, swimming pool etc.
Sensor rod length: 15cm_x005F_x000D_