Industrial PH & ORP Controller With Electrode Probe, Continuous Water Quality Tester For Wastewater Treatment, Pools, And Aquaculture

【High Precision Measurement】 Features 0.01pH resolution with ±0.01pH accuracy, measuring range of 0-14pH for reliable water quality testing. 【Clear Backlit Display】 Large digital LCD screen with blue backlight ensures clear visibility in low-light environments like grow rooms or pool equipment areas. 【Multi-Purpose Testing】 Ideal for monitoring pH levels in swimming pools, freshwater aquariums, hydroponic systems, and laboratory applications. 【Simple Calibration】 Includes calibration powders and detailed instructions for fast 3-point calibration (pH 4.01/6.86/9.18).