General EMHT40 User Manual page 11

Hardness tester astm rated pen style
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2. Selecting 2. AVG. TIMES displays the text AVERAGE TIMES over a number
representing the number of readings used to calculate an average value. Choices range
from 2 (the default) to 8. In most cases, choosing 3, 4 or 5 readings yields good
results. Pressing the
the main memory screen.
3. Selecting 3. MAT. & SCALE calls up two sub-menus in sequence. The first sub-menu
lists nine options for the work piece material: 1. ST. & CAST STEEL, 2. CWT. STEEL,
3. STAINLESS ST., 4. G. CAST IRON, 5. N. CAST IRON, 6. CAST ALUMINUM, 7.
BRASS, 8. BRONZES and 9. COPPER.
Pressing the
hardness scale (unit) options: 1. HL, 2. HRC, 3. HRB, 4. HB, 5. HS and 6. HV.
Pressing the
screen.
4. Selecting 4. TOLERANCE displays an upper and a lower limit for measured hardness
values using the selected scale. Whenever a measurement is lower than the lower limit
or higher than the upper limit, L or H will appear on the measurement display.
button to save an "number of times" setting resumes display of
button to save a material setting opens up a second sub-menu of six
button to save a hardness unit resumes display of the main memory
-11-

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