EZ-9909 Multifunction Water Quality Tester - Resistivity/Nutrient Solution Fertility Temp ORP TDS Salinity S.G Meter

TDS EC ORP Salinity TEMP Meter Digital Tester EZ-9909 Water Quality Tester For Drinking Water Aquariums Meter brand new and Features: EZ-9909 is a new multi-functional water quality test instrument, which can measure TDS,EC, salinity value and temperature. The measurement range is large and wide, which can measure both for water salinity and sea Low power consumption£¬Automatic shutdown,The instrument will shut down automatically for 5 minutes without any operation Automatic temperature compensation function With backlight function, it can be tested at night Small size, light weight, easy to carry, can be put into a pocket The waterproof grade is IP67, at normal temperature and pressure, when the for shell is temporarily immersed in 1M water will not cause harmful effects Conductivity test range: 0 to10000uS/for cm 10.01-19.99ms 20.1-400mS/for CM Resolution: 1uS/for cm 0.1mS/for CM Accuracy: ¡À2% of reading Tds test range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0ppt Resolution: 1ppm 0.1ppt Accuracy: ¡À2% of reading Salinity measurement range: 0.00 to 25.00% Resolution: 0.01% Accuracy: 0.01-5.00% (¡À0.1%) 5.10-25.00% ¡À1 test range: 0.01-14.00pH Resolution: 0.01pH Accuracy: ¡À0.05pH Temperature compensation: automatic temperature compensation (ATC) Working environment: 0 to 60.0¡ãC (32.0-140¡ãF) RH TDS factor: 0.4to 1.0 Temperature range: 0.1-60.0¡æ 32.0-140¨H Temperature accuracy: ¡À0.5¡æ Temperature resolution: 0.1¡æ/¨H Display: Support backlight Waterproof rating: IP67 Power consumption: 2.9 shutdown power consumption is 0 The accuracy is more accurate within 150ppt, and the deviation 160ppt is relatively large. Note: Every for time you use it up, you must clean the electrode About instrument calibration Conductivity EC: support 3-point calibration automatic identificat