BBR [India] Pvt. Ltd. Manufactures N Type Test Hammer. BBR [India] Pvt. Ltd. Is an ISO 9001 - 2000 registered organization. The N Type Test Hammer of model name Type N/NR Original SCHMIDT is designed for testing concrete items 100 mm [4"] or more in thickness, or concrete with a maximum particle size less than or equal to 32 mm [1.25"]. The N Type Test Hammer provides a record of test data. Rebound values are recorded as a bar chart on a paper strip. One roll of paper strip documents 4000 test impacts. Both hammers are also used for the testing of massive rock. Testing Standards of N Type Test Hammer are EN 12 504-2, ENV 206, DIN 1048 part 2, BS 1881 Part 202, ASTM C805, ASTM D5873 [Rock], D5873, JGJIT 23-2001, JJG 817-1993.
