" The industry PH electrode adopt specific glass? ? electropolar sense velamen and gelation electrolyte salt. It can meet international standards with the express correspondence and good stability. ....
Shenzhen Kedida Electronics Co., Ltd is a colligated high-tech enterprise integrating re search and development, manufacturing, marketing and engineering services of indust rial automation products.....
" 1. Press ON/ OFF key to turn the Meter on and off. 2. The Meter will shut off automatically if there is no operation in 5 minutes The battery sign will be appeared on the display when battery....