This type test hammer is used to test the concrete compressive strength of construction and bridge...
Specifications:
test range: 10~60 Mpa
impact energy: 2.207J (0.225kgf.m)
impact stroke: 75mm
friction of slider: 0.5~0.8N
spherical radius of impact pole: 25+/-1mm
calibration value on test anvil: 80+/-2
dimension: 278*D54mm
weight: 1kg

Tianjin Jewel Electronic Instrument Co.,Ltd is established in 1995, was a high-tech enterprise specialized in design and producing instrument.
Company located in Tianjin High-tech Huayuan Industry Zone, more than 2000 square meters workshops and products R&D office.
All of our products are made and assembled by ourselves, from the beginning of the company till now, we've invented and achieved many product patents, besides, because of our products with perfect quality and very competitive prices, we also awarded with very good reputation by users from home and abroad.