Proceq Equotip 550 User Manual

14 © 2016 Proceq SA
3.3.1.4 Test Conditions
To ensure proper hardness readings, the following conditions must be fulfilled. If one or more conditions are not met, the measurement result may be
significantly false.
Impact device type D/DC/DL/S/E G C
Surface
preparation
Roughness grade class ISO 1302
N7 N9 N5
Max. roughness depth R
t
(μm / μinch)
10 / 400 30 / 1200 2.5 / 100
Average roughness R
a
(μm / μinch)
2 / 80 7 / 275 0.4 / 16
Minimum sample
mass
Of compact shape (kg / lbs)
5 / 11 15 / 33 1.5 / 3.3
On solid support (kg / lbs)
2 / 4.5 5 / 11 0.5 / 1.1
Coupled on plate (kg / lbs)
0.05 / 0.2 0.5 / 1.1 0.02 / 0.045
Minimum sample
thickness
Uncoupled (mm / inch)
25 / 0.98 70 / 2.73 15 / 0.59
Coupled (mm / inch)
3 / 0.12 10 / 0.4 1 / 0.04
Surface layer thickness (mm / inch)
0.8 / 0.03 0.2 / 0.008
Minimum space
Between indentation and sample edge
(mm/inch)
5 / 0.2 8 / 0.3 4 / 0.16
Between indentations (mm/inch) 3 / 0.12 4 / 0.16 2 / 0.08
Indentation size on
test surface
With 300 HV,
30 HRC
Diameter (mm / inch)
0.54 / 0.021 1.03 / 0.04 0.38 / 0.015
Depth (μm / μinch)
24 / 960 53 / 2120 12 / 480
With 600 HV,
55 HRC
Diameter (mm / inch)
0.45 / 0.017 0.9 / 0.035 0.32 / 0.012
Depth (μm / μinch)
17 / 680 41 / 1640 8 / 2560
With 800 HV,
63 HRC
Diameter (mm / inch)
0.35 / 0.013 0.30 / 0.011
Depth (μm / μinch)
10 / 400 7 / 280
Table 1: Leeb Test Piece Requirements
Table of Contents
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Proceq Equotip 550 Specifications

General

Brand	Proceq
Model	Equotip 550
Category	Test Equipment
Language	English