|
Dimensions
|
775
x 550 x 240
|
|
Weights
Net
|
160
kg
|
|
Standards
|
Conforming
to DIN 51225/1
|
|
Test
Force(test load)
|
1837.5N(187.5
kgf), 2450N(250 kgf), 4900N(500
kgf),
7350N(750
kgf), 9800N(1000 kgf), 29400N(3000
kgf)
|
|
Load
application
|
Synchronous
belt mechanism
|
|
Load
selection
|
Digital
display with keypad
|
|
Load
duration
|
5 -
60 seconds (in steps of 15 seconds
each)
|
|
Load
control
|
Automatic
by computer-controlled closed-loop
system(load/dwell/unloading)
|
|
Standard
setting
|
Force
3000 kgf / load time 15 seconds
|
|
Hardness
range
|
8 -
450 HBS (stell ball), 8
- 650 HBW(hard alloy steel ball)
|
|
Accuracy
|
〈225
HBS(HBW) max. +/- 3.0% (DIN
51305),
Repeatability
0.06H (DIN 51225/1) (H=Average
Value of 5 points)
〈225
HBS(HBW) max. +/- 3.0% (DIN
51305),
Repeatability
0.03H (DIN 51225/1) (H=Average
Value of 5 points)
|
|
Reading
microscope
|
Enlargement
factor : 20X
Micrometer
resolution : 0.005 mm
|
|
Specimen
|
Max.
height : 240 mm
Max.
depth : 130 mm from
indenter center
Specimen
surface roughness
Steel
ball dia. 2.5 mm : Ra
〉0.8 um, Steel ball dia.
5 mm : Ra 〉1.6 um
|
|
Power
supply
|
220
Volt 50/60 Hz
|
|
Operating
temperature
|
Tests
preferably within : 23℃ +/-
5℃
|
