产品介绍

Product Introduction

1. Performance characteristics

NJTT-930A Raised pavement marker Retroreflector Impact Resistance Tester is an instrument used to measure the impact resistance of elevated road sign. It has the characteristics of reasonable structure, simple operation, wide applicability, high measurement accuracy, good measurement safety and reliability. 

2. Standard: GB/T24725-2009

3. Main technical parameters

Impact hammer head: radius 6.4mm

Total weight: 190 ± 2g