General description This Portable Digital pH and Chlorine Tester is an essential tool for monitoring water quality in swimming pools and spas. Made from premium plastic, it is durable and designed for long-lasting use. The tester eliminates the need for traditional chemicals, providing consistent readings regardless of temperature fluctuations. It features high and low alarms for parameter deviations and data logging capabilities. Technical specifications Dimensions: Lightweight and compact design for easy portability Battery: Requires 1 AA battery (1.5V) Chlorine measurement range: 1.2 to 1.7 ppm pH measurement range: 7.2 to 7.8 Installation Before first use, set the tester according to the following steps: Test pool or hot spring water with traditional liquid testing tools and record the chlorine reading (1.5 ppm). Insert the AA battery into the tester (positive side up). Insert the cleaned metal rod into the water until it reaches the black position and gently stir. Adjust the knob