Organic Matter Tester
The 815 Tester is used for quick and accurate tests of organic matter in sand and aggregate for concrete, in accordance with ASTM C-40-60.Five permanent standards are mounted in a non-corrosive frame. The Model 815 Tester eliminates preparation of unstable liquid standards used by other test methods. Complete with directions. |

The 815 Tester is used for quick and accurate tests of organic matter in sand and aggregate for concrete, in accordance with ASTM C-40-60.