8 IN 1 ONLINE WATER QUALITY TESTER:S.G pH EC SALT ORP TDS CF TEMP 8 parameters, online remote monitoring, real time data reception, data automatically stored and saved after 30 days. REMOTE MONITORING:Connect mobile APP, support multi parameter test, automatic arm, automatic correction, automatic data storage, save data for 30 days. CONNECTION AND DATA TRANSFER:Download the Tuya Smart APP and enter your account. Realize real time monitoring on mobile phone. Real time data detection Click pH to view details, view date(day), week(week), month(month). PRACTICAL USE Nutrient solution is the key to soilless cultivation, and different crops require different nutrient solution formulas. WIDE RANGE OF APPLICATIONS Ideal for aquariums, hydroponics, laboratories, spas, swimming pools and other water quality testing programs and monitors. Wall-mounted design, easy to install and operate Note: This tester is not waterproof, please do not allow the instrument to get into water or during use, otherwise it may cause the instrument can not be used normally. Specification Item Type: Multi Parameter Water Quality TesterMaterial: ABS8 In 1: S.G PH EC SALT ORP TDS CF TEMP Range: PH: 0.00-14.00pHORP: -2000mv - +2000mvEC: 0-19000us/cm 0-199.0 ms/cmCF: 0-1999.0CFTDS: 0-19990ppm 0-199.0pptSalt: 0-199.9ppt 0%-20%S.G: 0.990-1.400Temperature: 0-50℃(32℉-122℉) Resolution: PH: 0.01PHORP: 1mvEC: 1us/cm ( 1999us/cm); 0.1 ms/cmCF: 1CFTDS: 1 ppm ( 1999ppm); 0.1 PPTSalt: 1ppm ( 1999ppm); 0.1 PPT 0.01%S.G: 0.001Temperature: 0.1℃(0.2℉)Accuracy: PH: ±0.03pHORP: ±5mvEC, CF, TDS, SALT: ±2%F.STemperature: ±1.0℃Battery: DC6VTemperature Compensation: 0℃-50℃Operating Temperature: 0℃-50℃Product Size: Approx. 152 x 80 x 26mm / 5.98 x 3.15 x 1.02in How to Use Plug in the power supply to use, please refer to the instructions for detailed operation. Package List 1 x Water Quality Detector1 x Plug2 x Electrode1 x Connecting Wire1 x Support2 x Suction Cup1 x User Manual Note 1. The Electrode Must Be Recalibrated: Not calibrated for a long time. Regular and long term continuous use. High accuracy is required. 2. The tester is not waterproof, do not let the instrument water or damp during use, otherwise may lead to the unnormal use of the instrument.