Description Technical Specifications PH 6 pH to 10 pH Dissolved Oxygen 0 mg/L to 12 mg/L Ammonia 0 mg/L to 4 mg/L Nitrite 0 mg/L to 2 mg/L Total Alkalinity 0 mg/L to 500 mg/L Hydrogen Sulfide 0 mg/L to 4 mg/L Salinity 1.00 to 1.060 Phosphate 0 mg/L to 2 mg/L Total Hardness 0 mg/L to 10000 mg/L Water Temperature -58 °F to 185 °F (-50 ℃ to 85 ℃) Residual Chlorine 0 mg/L to 10 mg/L Detection Time 180 s Charging Built-in lithium battery Screen Touch screen
