CT-6020A-type pH pen pH meter CT-6020A-type pH pen pH meter is an external pH electrode meters, using high-performance CPU chip, high-precision AD conversion technology and SMT technology, is a versatile, intelligent instrument. It can store, calculate and compensate for all parameters measured PH values. Clear display, easy operation and accurate test performance, it has a good price. It can be widely used in chemical industry, metallurgy, environmental protection, pharmaceutical, biochemical, food and running water, and the solution pH monitoring. It is the best choice in the case of pH values ??of the various tests. Features: waterproof pH meter instrument housing design, LCD display. Small, portable, ready to measure, easier to use. Low power consumption, high accuracy, wide measurement range, the electrode can be replaced. Specifications: Measuring range 0.00 ~ 14.00pH Accuracy ± 0.02pH 0.01pH resolution Automatic Temperature Compensation 0 ℃ ~ 50 ℃ Operating Temperature 0 ℃ ~ 50 ℃ correction 3:00 automatic correction (4.01; 6.86; 9.18 & 4.01,7.00,10.01 ) 10 minutes automatic shutdown automatic shutdown Tip a low voltage C / F automatic conversion Maintain the function of pH and temperature display dual display Battery 6V (4 * AG13 button battery) Volume 188mm × 38mm Weight 82g Standard configuration: pH (4.01; 6.86 ; 9.18 or 4.01,7.00,10.01) buffer set.