YIERYI WiFi Water Quality Monitor with Controller, Online pH TDS Monitor, Support Tuya APP Remote Control

$5 OFF! ENDS SOON!Enter this Code at Checkout: WY4Z9MAB0ZRN 3-in-1 PPM Monitor: Wall-mountable rechargeable continuous monitor tester is widely used to measure the pH/TDS/Temperature of water. clear LCD with backlight, 3 results displayed simultaneously. can online monitoring for a long time. pH electrode We use the international common BNC-Q9 plug, the PH probe can be replaced.Calibration pH TDS Tester: pH TDS Monitor test temperature in ℃/℉(switchable unit), automatic temperature compensation. Calibrates easily and offers safer and more precise measurements. each set of products has passed the calibration liquid test function qualified before shipment.Water Quality Tester with Output Power Relay: Plug in your own device (e.g. oxygen pump, Nutrient solution equipment, Hydroponics, or other pH&TDS generation devices) into the corresponding pH or TDS output power socket, and you can set your desired pH and PPM value in this monitor controller to trigger your devices to turn on or