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Rockwell hardness tester
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■ Specification HRS-150 ■ Name lejuhwaeun ■ Equipment Condition Longitude sea rate: 0.1HR Measuring range: 20 ~ 88HRA / 20 ~ 100HRB / 20 ~ 70HRC Experimental Power: 60/100 / 150Kgf & am
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■ working methods
■ Formation report
. Place the specimen on a flat (horizontal specimen guarantees)
. Turn on the power (to measure the simultaneous illumination)
The rotating handle, the specimen is brought into contact with Tamjin, observe the four simultaneous digital value changes, the number is 360 and the fluctuation during equipment start automatic measurement (simultaneous measurement turns off lights)
. And measured after completion of the reading directly when lit. (inverse equipment automatically 10 seconds) measured one trillion people
Remarks made
A) Select the measurement weight: 60g
B) Slowly peel the two materials in contact with Tamjin after being handed a turn
■ Formation report
