"GKX-1" chromium measuring instrument is a kind of equipment for measuring hexavalent chromium in cement based on the limit and determination method of water-soluble chromium (VI) in cement. It is a new type photoelectric colorimetric with novel structure and easy to use. meter. According to the standard: GB31893-2015Technical Parameters:1. Display system: 12864 LCD display2. Measuring range: 0-1.5mg / L3. Resolution: 0.0014. Response time: 5s5.Net weight: 10kg