1. .
, ON/OFF 4 . 2 .
, : Mat STEEL <- 2 HRC STEE +90 , 90 .
, .
5 (Measuring direction) .
6 +90 (Measuring dir +90).
5 (Mat), 6 , (Mat STEEL).
5 (Har), 6 (Har HRC).
( Ave) (Ave 2).
2. .
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2 . 2
1 2 . 3.
1 . 2 ,
. 3.
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3 . 2 .
, .
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.
3. .
Amin Amax .
Amin Amax ( 6 8).
σ, 
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XRmax XRmin R.
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R.
:
1. .
2. 130.
3. .
4. .
5. Amin Amax .
6. σ, ,. XRmax XRmin R.
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7. .
2
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3. ?
4. ?
5. ?
6. , XRmax XRmin?
