EW-660 Digital Rockwell Hardness Tester

 

Features
Horizontal protrudent nose design, testing on surfaces difficult to reach
Testing internal surface of ring parts whose diameter is not less than 23mm(0.900〃)
Testing external surface of round bars whose diameter is not less than 3mm (0.120〃)
Automatic test process
High definition backlight LCD
Simple and easy selectable operation menu
RS-232/USB data output
EW-660: Rockwell & Rockwell superficial hardness tester
 
Technical Specification

Model EW-660
Hardness scales Rockwell A,B,C,D,E,F,G,H,K,L,M,P,R,S,V
Rockwell superficial15/30/45N,T,W,X,Y
Resolution 0.1Rockwell unit
Pre-load 98.07N/10kgf, 29.42N/3kgf
Total load 588.4N/60kgf, 980.7N/100kgf,
1471N/150kgf, 147.1N/15kgf,
294.2N/30kgf, 441.3N/45kgf
Display Matrix backlight LCD
Language English
Operation Menu selectable, Membrane keypad
Test process Automatic
Load duration 2-50 seconds, Can be set, dynamic displayed and stored
Functions Upper / lower hardness limits setting and alarming
Data statistics : Ave., Max., Min., standard Deviation,
convert tested values to HB, HV, HLD and δb (Tensile-strength)
Curvature correction: cylinder and sphere surface
Data output RS232
standard ISO6508.2 , ASTM E-18
Testing space Vertical: 250mm (9.85〃)   Horizontal:150mm (5.91〃)
Vertical: 250mm (9.85〃)   Horizontal:150mm (5.91〃)
Work piece size External surface cylinder: Min.φ3mm (0.120〃)
Internal surface cylinder: Min.φ23mm (0.900〃)
Power supply 220v/110v, 50Hz, 4A
Dimensions 720mm×240mm×815mm
Weight 120kg