6 in 1 Water Quality Tester WiFi PH EC TDS SALT SG.Temp Meter Multifunction Smart Aquarium Monitor Tester Tuya APP Control US/EU       Description: This YY-W9909 Intelligent tester is the latest multi-functional water quality tester, have 6 functions PH / TDS / EC / seawater specific gravity /Salinity/ temperature. It can connect WIFI with phone,The important point is Record data with the phone for a long time , Easily analyze data, and formulate solutions It can measure freshwater salinity and sea salt. Perfect for wide applications, such as beverage, fish hatcheries, food processing, aquarium, photography, laboratory, quality control, school & colleges, swimming pools, water conditions. Feature: 1,This 6-in-1 WIFI PH/EC/TDS/SALT/S.G./Temp controller and monitor, simultaneously measures and displays both pH value and The data of any one of EC/TDS/SALT/S.G./Temp, the mode can be switched 2,It comes with 2 BNC electrodes (one for pH and one for EC TDS SALT S.G), 1 temperature probe, and 1 output power socket. Both electrodes are detachable, they can be replaced easily at any time. 3,As for the relay output power sockets, you can plug in your own 110V/ 220V device to it. You can choose EU or US Plug sockets 4,The device can be connected to WiFi, download the Tuya Smart APP, and view the current data and historical data on the mobile phone, alarm of abnormally high and low data, etc. 5,Wide range of applications can be used for including drinking water, swimming pool, pond, aquariums, hydroponics, laboratory, food processing, etc. Specifications: Plug: E U / U S(optional) Input Voltage: 220 V / 110 V(optional) Range: EC: 0-19000us/c m, 0-199.0ms/c m PH: 0.00-14.00pH TD S: 0-19990ppm, 0-199.0ppt SALT: 0-199.9ppt, 0%-20% S.G: 0.990-1.400 Temp: 0& 8451;-50& 8451; (32& 8457;-122& 8457;) Resolution: PH: 0.01pH EC: 1us/c m (1000us/c m), 0.1ms/c m TD S: 1ppm(1000ppm), 0.1ppt SALT: 1ppm(1000ppm), 10p& 1088;m(>1000p& 1088;m), 0.1ppt, 0.01% S.G: 0.001 Temp: 0.1& 8451;(0.2& 8457;) Accurac& 1091;: pH: +0.03& 1088;H EC/TD S/SALT: ±2%F.S Temp: ±1.0& 8451; Temperature Compensation: 0°C-50°C Operating Temperature: 0& 8451;-50°C Packing List: 1 * Water Quality Tester 1 * Power Cable 1 * Bracket 1 * Manual Note: *Only one plug-type may be used at a time. *Built-in 6A Fuse, safety shutters protect users from shock. *This product may not work with certain high-power Appliances like hair dryers. Please check your appliance label to see if it requires less than 6A.