Introduction

1. Introduction:

Assessor for test hammer and assessor for tension spring are special test instrument according to standard JJG817-93. It is mainly applied by concrete test hammer identifier organizations and manufacturers, it is the only instrument for assessing test hammer.

2. Parameters:

Rigidity of test anvil: HRC60±2;

Length of pointer: 27.5±0.1;

Strength weight: 2kg±1;

Composition of the assessor: base, steel anvil, test hammer fixer, rebound handle, assess frame for tension spring, positioner plate, horizon slider, strength weight, a set of assessor tool for tension spring;

Specialized caliper；

King size pointer(backup)；

Socket head wrench；

Dust filter cover；