Grundfos SP Series Installation And Operating Instructions Manual page 425

‫ﺃﺣﺎﺩﻳ ﺔ ﺍﻟﻁ ﻭﺭ ﻣﻔﺗ ﺎﺡ ﺣ ﺭﺍﺭﻱ ﻭﻻ ﺗﺗﻁﻠ ﺏ ﺣﻣﺎﻳ ﺔ‬
‫ﻋﻧ ﺩ ﺇﻳﻘ ﺎﻑ ﺗﺷ ﻐﻳﻝ ﺍﻟﻣﻭﺗ ﻭﺭ ﺣﺭﺍﺭﻳ ﺎ، ﺗﻛ ﻭﻥ ﺃﻁ ﺭﺍﻑ ﺗﻭﺻ ﻳﻝ‬
‫ﺍﻟﻣﻭﺗ ﻭﺭ ﻻ ﺗ ﺯﺍﻝ ﻣﺷ ﺣﻭﻧﺔ ﺑﺎﻟﻛﻬﺭﺑ ﺎء. ﻭﺑﻌ ﺩﻣﺎ ﻳ ﺑﺭﺩ ﺍﻟﻣﻭﺗ ﻭﺭ‬
.‫ﻋﻠ ﻰ ﻧﺣ ﻭ ﻛ ﺎﻑ، ﺳ ﻭﻑ ﻳﺷ ﺗﻐﻝ ﻣ ﻥ ﺟﺩﻳ ﺩ ﺗﻠﻘﺎﺋﻳ ﺎ‬
‫ﺃﺣﺎﺩﻳ ﺔ ﺍﻟﻁ ﻭﺭ. ﻭﻳﻣﻛ ﻥ ﺗﺭﻛﻳ ﺏ ﺟﻬ ﺎﺯ ﺣﻣﺎﻳ ﺔ ﺇﻣ ﺎ‬
.‫ﻓ ﻲ ﺻ ﻧﺩﻭﻕ ﺗﺣﻛ ﻡ ﺃﻭ ﺃﻥ ﻳﻛ ﻭﻥ ﻣﻧﻔﺻ ﻼ‬
‫ﺑﻭﺻ ﺔ ﺑﻘ ﺎﻁﻊ ﺩﺍﺋ ﺭﺓ ﺣﻣﺎﻳ ﺔ‬ 4 ‫ﺭﺍﻧﻛﻠﻳﻥ‬
.‫ﺑﻧﺎﻗ ﻝ ﺩﺭﺟ ﺔ ﺣ ﺭﺍﺭﺓ ﻣ ﺩﻣﺞ ﺃﻭ ﺑ ﺩﻭﻥ‬
‫ﻳﺟ ﺏ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺍﻵﺗﻳ ﺔ ﺑﻘ ﺎﻁﻊ ﺩﺍﺋ ﺭﺓ ﺣﻣﺎﻳ ﺔ ﻣﻭﺗ ﻭﺭ ﻣ ﻊ ﻣﺭﺣ ﻝ ﺣ ﺭﺍﺭﻱ، ﺃﻭ‬
‫ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺍﻟ ﺗﻲ ﺑﻬ ﺎ ﻧﺎﻗ ﻝ ﺩﺭﺟ ﺔ ﺣ ﺭﺍﺭﺓ ﻣ ﺩﻣﺞ ﻭﺳ ﻠﻳﻡ‬
‫ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺍﻟ ﺗﻲ ﺑﻬ ﺎ ﻧﺎﻗ ﻝ ﺩﺭﺟ ﺔ ﺣ ﺭﺍﺭﺓ ﺗ ﺎﻟﻑ ﺃﻭ ﺑ ﺩﻭﻥ‬
.‫ﺃﻭ ﺑ ﺩﻭﻥ‬
Pt100 ‫ﻧﺎﻗ ﻝ ﺩﺭﺟ ﺔ ﺣ ﺭﺍﺭﺓ ﻣ ﺩﻣﺞ. ﻭﻳﺗﻭﻓ ﺭ ﺣﺳ ﺎﺱ‬
‫ﺍﻟﺿ ﺑﻁﺎﺕ ﺍﻟﻣﻁﻠﻭﺑ ﺔ ﻟﻘ ﺎﻁﻊ ﺩﺍﺋ ﺭﺓ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺗ ﻭﺭ‬
‫ﻟﻠﻣﻭﺍﺗ ﻳﺭ ﺍﻟﺑ ﺎﺭﺩﺓ، ﻳﺟ ﺏ ﺃﻥ ﻳﻛ ﻭﻥ ﺯﻣ ﻥ ﺍﻹﻋﺗ ﺎﻕ ﻟﻘ ﺎﻁﻊ ﺩﺍﺋ ﺭﺓ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺗ ﻭﺭ‬
‫ﺃﺿ ﻌﺎﻑ ﺍﻟﺗﻳ ﺎﺭ ﺍﻷﻗﺻ ﻰ ﺍﻟﻣﻘﻧ ﻥ ﻟﻠﻣﻭﺗ ﻭﺭ. ﻭﺃﺛﻧ ﺎء‬
‫ﺃﺣ ﻭﺍﻝ ﺍﻟﺗﺷ ﻐﻳﻝ ﺍﻟﻌ ﺎﺩﻱ، ﻳﺟ ﺏ ﺃﻥ ﻳ ﺩﻭﺭ ﺍﻟﻣﻭﺗ ﻭﺭ ﺑﺎﻟﺳ ﺭﻋﺔ ﺍﻟﻛﺎﻣﻠ ﺔ ﻓ ﻲ ﺃﻗ ﻝ‬
‫ﻓ ﻲ ﺣﺎﻟ ﺔ ﻋ ﺩﻡ ﺗﻠﺑﻳ ﺔ ﻫ ﺫﺍ ﺍﻟﻣﻁﻠ ﺏ، ﺳ ﻳﻛﻭﻥ ﺿ ﻣﺎﻥ ﺍﻟﻣﻭﺗ ﻭﺭ‬
‫ﻟﺿ ﻣﺎﻥ ﺃﻓﺿ ﻝ ﺣﻣﺎﻳ ﺔ ﻟﻠﻣﻭﺗ ﻭﺭ، ﻳﺟ ﺏ ﺿ ﺑﻁ ﻗ ﺎﻁﻊ ﺩﺍﺋ ﺭﺓ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺗ ﻭﺭ‬
‫ﺍﺿ ﺑﻁ ﻗ ﺎﻁﻊ ﺩﺍﺋ ﺭﺓ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺗ ﻭﺭ ﺣﺳ ﺏ ﺍﻟﺗﻳ ﺎﺭ ﺍﻷﻗﺻ ﻰ ﺍﻟﻣﻘﻧ ﻥ‬
.‫ﺷ ﻐﻝ ﺍﻟﻣﺿ ﺧﺔ ﻭﺍﺗﺭﻛﻬ ﺎ ﺗ ﺩﻭﺭ ﻟﻣ ﺩﺓ ﻧﺻ ﻑ ﺍﻟﺳ ﺎﻋﺔ ﺑ ﺄﺩﺍء ﻋ ﺎﺩﻱ‬
.‫ﻗﻠ ﻝ ﺑﺑ ﻁء ﻣﺅﺷ ﺭ ﺍﻟﻣﻘﻳ ﺎﺱ ﺣ ﺗﻰ ﺍﻟﻭﺻ ﻭﻝ ﺇﻟ ﻰ ﻧﻘﻁ ﺔ ﺇﻋﺗ ﺎﻕ ﺍﻟﻣﻭﺗ ﻭﺭ‬
.‫ﻳﻛ ﻭﻥ ﺃﻋﻠ ﻰ ﺿ ﺑﻁ ﻣﺳ ﻣﻭﺡ ﺑ ﻪ ﻫ ﻭ ﺍﻟﺗﻳ ﺎﺭ ﺍﻷﻗﺻ ﻰ ﺍﻟﻣﻘﻧ ﻥ ﻟﻠﻣﻭﺗ ﻭﺭ‬
‫ﺎﻁﻊ‬ ‫ﺑﻁ ﻗ‬ ‫ﺏ ﺿ‬ ‫ﺛﻲ، ﻳﺟ‬ ‫ﻐﻳﻝ ﺍﻟﻧﺟﻣﻲ-ﺍﻟﻣﺛﻠ‬
‫ﺩﺍﺋ ﺭﺓ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺗ ﻭﺭ ﺣﺳ ﺏ ﺍﻟﺷ ﺭﺡ ﺃﻋ ﻼﻩ، ﻟﻛ ﻥ ﻳﺟ ﺏ ﺃﻥ ﻳﻛ ﻭﻥ ﺍﻟﺿ ﺑﻁ‬
. x 0,58
- ‫ﻳﻛ ﻭﻥ ﺃﻋﻠ ﻰ ﻭﻗ ﺕ ﺑ ﺩء ﺗﺷ ﻐﻳﻝ ﻣﺳ ﻣﻭﺡ ﺑ ﻪ ﻟﺑ ﺩء ﺍﻟﺗﺷ ﻐﻳﻝ ﺍﻟﻧﺟﻣ ﻲ‬
‫ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺗ ﻭﺭ‬ 6.2
6 . 2
‫ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺃﺣﺎﺩﻳ ﺔ ﺍﻟﻁ ﻭﺭ‬ 6.2.1
6 . 2 . 1
MS 402 ‫ﺎﻟﻣﻭﺍﺗﻳﺭ‬ ‫ﺩ ﺑ‬ ‫ﻳﻭﺟ‬
.‫ﻣﻭﺗ ﻭﺭ ﺇﺿ ﺎﻓﻳﺔ‬
‫ﺗﺣ ﺫﻳﺭ‬
MS 4000 ‫ﻳﺟ ﺏ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺍﺗ ﻳﺭ‬
‫ﻓ‬ PSC ‫ﻳﺟ ﺏ ﺗﻭﺻ ﻳﻝ ﻣﻭﺍﺗ ﻳﺭ‬
.‫ﻣﻭﺗ ﻭﺭ‬
‫ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺛﻼﺛﻳ ﺔ ﺍﻷﻁ ﻭﺍﺭ‬ 6.2.2
6 . 2 . 2
MS ‫ﻳﺭ‬ ‫ﺭ ﻣﻭﺍﺗ‬ ‫ﺗﺗﻭﻓ‬
:(‫)ﻣﻼﻣﺳ ﺎﺕ‬ ‫ﻭﻣﻼﻣ ﺱ‬ MP 204
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Pt100 ‫ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺍﻟ ﺗﻲ ﺑﻬ ﺎ ﺣﺳ ﺎﺱ‬
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MMS ‫ﻳﺭ‬ ‫ﺩ ﺑﻣﻭﺍﺗ‬ ‫ﻻ ﻳﻭﺟ‬
.‫ﻛﻣﻠﺣﻘ ﺔ‬ Pt1000
6.2.3
6 . 2 . 3
5 ‫ﺛ ﻭﺍﻥ ﻋﻧ ﺩ‬ 10 ‫ﺃﻗ ﻝ ﻣ ﻥ‬
.‫ﺛ ﻭﺍﻥ‬ 3 ‫ﻣﻥ‬
‫ﺗﺤـــﺬﻳﺮ‬
.‫ﻻﻏﻳ ﺎ‬
:‫ﻛ ﺎﻵﺗﻲ‬
.1
.‫ﻭﺭ‬ ‫ﻟﻠﻣﻭﺗ‬
. 1
.2
. 2
.3
. 3
.%5 ‫ﺯﻭﺩ ﺍﻟﺿ ﺑﻁ ﺑﻣﻌ ﺩﻝ‬ .4
. 4
‫ﺩء ﺍﻟﺗﺷ‬ ‫ﺔ ﻟﺑ‬ ‫ﻳﺭ ﺍﻟﻣﻠﻔﻭﻓ‬ ‫ﻟﻠﻣﻭﺍﺗ‬
‫ﺍﻷﻗﺻ ﻰ ﻫ ﻭ ﺍﻟﺗﻳ ﺎﺭ ﺍﻷﻗﺻ ﻰ ﺍﻟﻣﻘﻧ ﻥ‬
.‫ﺎﻧﻳﺗﻳﻥ‬ ‫ﻲ ﺛ‬ ‫ﻭﻝ ﺫﺍﺗ‬ ‫ﺛﻲ ﺃﻭ ﻣﺣ‬ ‫ﺍﻟﻣﺛﻠ‬
.‫ﻳﻣﻛ ﻥ ﺗﻭﺻ ﻳﻝ ﻣﻭﺍﺗ ﻳﺭ ﺟﺭﻭﻧ ﺩﻓﻭﺱ ﺛﻼﺛﻳ ﺔ ﺍﻷﻁ ﻭﺍﺭ ﺑﻣﻐ ﻳﺭ ﺗ ﺭﺩﺩ‬
‫ﺑ ﻪ ﻧﺎﻗ ﻝ ﺩﺭﺟ ﺔ ﺣ ﺭﺍﺭﺓ ﺑﻣﻐ ﻳﺭ‬
‫ﺗ ﺭﺩﺩ، ﻓ ﺈﻥ ﺍﻟﻣﺻ ﻬﺭ ﺍﻟﻣﺭﻛ ﺏ ﻓ ﻲ ﻧﺎﻗ ﻝ ﺍﻟﺣ ﺭﺍﺭﺓ ﺳﻳﻧﺻ ﻬﺭ‬
‫ﻭﺳﻳﺻ ﺑﺢ ﻧﺎﻗ ﻝ ﺍﻟﺣ ﺭﺍﺭﺓ ﻏ ﻳﺭ ﻓﻌ ﺎﻝ. ﻭﻻ ﻳﻣﻛ ﻥ ﺇﻋ ﺎﺩﺓ ﺗﻧﺷ ﻳﻁ‬
‫ﺍﻟﻧﺎﻗ ﻝ. ﻭﻳﻌ ﻧﻲ ﺫﻟ ﻙ ﺃﻥ ﺍﻟﻣﻭﺗ ﻭﺭ ﺳ ﻳﻌﻣﻝ ﻣﺛ ﻝ ﻣﻭﺗ ﻭﺭ ﺑ ﺩﻭﻥ‬
‫ﺃﻭ‬ Pt100 ‫ﺇﺫﺍ ﻛ ﺎﻥ ﻣﻁﻠﻭﺑ ﺎ ﻧﺎﻗ ﻝ ﺩﺭﺟ ﺔ ﺣ ﺭﺍﺭﺓ، ﺗﻭﻓ ﺭ ﺟﺭﻭﻧ ﺩﻓﻭﺱ ﺣﺳ ﺎﺱ‬
‫ﻻ ﻳﺟ ﺏ ﺃﻥ ﻳ ﺩﻭﺭ ﺍﻟﻣﻭﺗ ﻭﺭ ﻋﻧ ﺩ ﺗ ﺭﺩﺩ ﺃﻋﻠ ﻰ ﻣ ﻥ ﺍﻟ ﺗﺭﺩﺩ ﺍﻟﻣﻘﻧ ﻥ‬
‫ﻫ ﺭﺗﺯ( ﺃﺛﻧ ﺎء ﺍﻟﺗﺷ ﻐﻳﻝ ﺑﻣﻐ ﻳﺭ ﺗ ﺭﺩﺩ. ﻭﻓﻳﻣ ﺎ‬
‫ﺎﻟﻲ‬ ‫)ﻭﺑﺎﻟﺗ‬ ‫ﺩﺍ‬ ‫ﺗﺭﺩﺩ ﺃﺑ‬ ‫ﻝ ﺍﻟ‬
‫ﺍﻟﺳ ﺭﻋﺔ( ﺇﻟ ﻰ ﻣﺳ ﺗﻭﻯ ﻻ ﻳﻛ ﻭﻥ ﻣﺿ ﻣﻭﻧﺎ ﻋﻧ ﺩﻩ ﺍﻟﺗ ﺩﻓﻖ‬
.‫ﺍﻟﺿ ﺭﻭﺭﻱ ﻟﺳ ﺎﺋﻝ ﺍﻟﺗﺑﺭﻳ ﺩ ﺇﻟ ﻰ ﺃﺑﻌ ﺩ ﻣ ﻥ ﺍﻟﻣﻭﺗ ﻭﺭ‬
‫ﻟﺗﺟﻧ ﺏ ﺣ ﺩﻭﺙ ﺗﻠ ﻑ ﻟﺟ ﺯء ﺍﻟﻣﺿ ﺧﺔ، ﻳﺟ ﺏ ﺃﻥ ﻳﺗﻭﻗ ﻑ ﺍﻟﻣﻭﺗ ﻭﺭ ﻋﻧ ﺩﻣﺎ‬
.‫ﺍﻟﺗ ﺩﻓﻖ ﺍﻹﺳ ﻣﻲ‬
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‫ﺍﻋﺗﻣ ﺎﺩﺍ ﻋﻠ ﻰ ﻧ ﻭﻉ ﻣﻐ ﻳﺭ ﺍﻟ ﺗﺭﺩﺩ، ﻓﺈﻧ ﻪ ﺭﺑﻣ ﺎ ﻳﻌ ﺭﺽ ﺍﻟﻣﻭﺗ ﻭﺭ ﺇﻟ ﻰ ﺫﺭﻭﺍﺕ‬
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‫ﻭ‬
‫ﺍﻟﻣﺳ ﺗﺧﺩﻣﺔ ﻣ ﻊ ﻓﻭﻟﺗﻳ ﺔ ﺗﺻ ﻝ‬
‫)ﺍﻧﻅ ﺭ ﻟﻭﺣ ﺔ ﺍﺳ ﻡ ﻣﻭﺩﻳ ﻝ ﺍﻟﻣﻭﺗ ﻭﺭ( ﻣ ﻥ‬
‫)ﻗﻳﻣ ﺔ ﺍﻟ ﺫﺭﻭﺓ( ﺑﻳ ﻥ‬ ‫ﻓﻭﻟ ﺕ‬
‫ﻧﺣ ﻥ ﻧﻭﺻ ﻲ ﺑ ﺄﻥ ﺗﺣﻣ ﻲ ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﺍﻷﺧ ﺭﻯ ﻣ ﻥ ﺫﺭﻭﺍﺕ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺍﻷﻋﻠ ﻰ ﻣ ﻥ‬
‫ﻳﻣﻛ ﻥ ﺗﺧﻔﻳ ﻑ ﺍﻻﺿ ﻁﺭﺍﺏ ﺍﻟﻣ ﺫﻛﻭﺭ ﺃﻋ ﻼﻩ ﺑﺗﺭﻛﻳ ﺏ ﻣﺭﺷ ﺢ ﻣﻘﺎﻭﻣ ﺔ ﻭﻣﻛﺛ ﻑ‬
‫ﻳﻣﻛ ﻥ ﺗﺧﻔﻳ ﻑ ﺍﻟﺿﻭﺿ ﺎء ﺍﻟﺳ ﻣﻌﻳﺔ ﺍﻟﻣﺗﺯﺍﻳ ﺩﺓ ﺍﻟﻣﺣﺗﻣﻠ ﺔ ﻣ ﻥ ﺍﻟﻣﻭﺗ ﻭﺭ‬
‫)ﻋﺿ ﻭ ﺣ ﺙ ﻭﻣﻛﺛ ﻑ( ﺍﻟ ﺫﻱ ﺳﻳﻘﺿ ﻲ ﺃﻳﺿ ﺎ ﻋﻠ ﻰ ﺫﺭﻭﺍﺕ‬
‫ﻋﻧ ﺩ ﺍﺳ ﺗﺧﺩﺍﻡ ﻣﻐ ﻳﺭ ﺗ ﺭﺩﺩ. ﺍﻧﻅ ﺭ ﺍﻟﻘﺳ ﻡ‬
.‫ﻟﻣﺯﻳ ﺩ ﻣ ﻥ ﺍﻟﺗﻔﺎﺻ ﻳﻝ، ﺍﺗﺻ ﻝ ﺑﻣ ﻭﺭﺩ ﻣﻐ ﻳﺭ ﺍﻟ ﺗﺭﺩﺩ ﺃﻭ ﺑﺟﺭﻭﻧ ﺩﻓﻭﺱ‬
‫ﺍﻟﻣﻭﺍﺗ ﻳﺭ ﻣ ﻥ ﻁ ﺭﺍﺯﺍﺕ ﺃﺧ ﺭﻯ ﻏ ﻳﺭ ﺟﺭﻭﻧ ﺩﻓﻭﺱ‬
.‫ﻭﺭ‬
‫ﺗﺷ ﻐﻳﻝ ﻣﻐ ﻳﺭ ﺍﻟ ﺗﺭﺩﺩ‬
‫ﻣﻭﺍﺗ ﻳﺭ ﺟﺭﻭﻧ ﺩﻓﻭﺱ‬
MS ‫ﻓ ﻲ ﺣﺎﻟ ﺔ ﺗﻭﺻ ﻳﻝ ﻣﻭﺗ ﻭﺭ‬
.‫ﻧﺎﻗ ﻝ ﺩﺭﺟ ﺔ ﺣ ﺭﺍﺭﺓ‬
.‫ﺎﻁﺱ‬ ‫ﺎﻟﻣﻭﺗﻭﺭ ﺍﻟﻐ‬ ‫ﻪ ﺑ‬ ‫ﻟﺗﺭﻛﻳﺑ‬
60 ‫ﺃﻭ‬ 50)
‫ﺧﺔ، ﻻ ﺗﻘﻠ‬ ‫ﻐﻳﻝ ﺍﻟﻣﺿ‬ ‫ﻖ ﺑﺗﺷ‬ ‫ﻳﺗﻌﻠ‬
x 0,1 ‫ﻳﻧﺧﻔ ﺽ ﺗ ﺩﻓﻖ ﺍﻟﻣﺿ ﺧﺔ ﺇﻟ ﻰ ﺃﻗ ﻝ ﻣ ﻥ‬
.‫ﺔ‬
‫ﺗﺣ ﺫﻳﺭ‬
MS 402 ‫ﻳﺟ ﺏ ﺣﻣﺎﻳ ﺔ ﺍﻟﻣﻭﺍﺗ ﻳﺭ‬
‫ﻓﻭﻟ ﺕ‬ 440 ‫ﺇﻟ ﻰ ﻭﺗﺷ ﻣﻝ‬
650 ‫ﺫﺭﻭﺍﺕ ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﺃﻋﻠ ﻰ ﻣ ﻥ‬
.‫ﺃﻁ ﺭﺍﻑ ﺗﻭﺻ ﻳﻝ ﺍﻹﻣ ﺩﺍﺩ‬
.‫ﺑﻳ ﻥ ﻣﻐ ﻳﺭ ﺍﻟ ﺗﺭﺩﺩ ﻭﺍﻟﻣﻭﺗ ﻭﺭ‬
LC ‫ﺑﺗﺭﻛﻳ ﺏ ﻣﺭﺷ ﺢ‬
.‫ﺍﻟﻔﻭﻟﺗﻳ ﺔ ﻣ ﻥ ﻣﻐ ﻳﺭ ﺍﻟ ﺗﺭﺩﺩ‬
LC ‫ﻧﺣ ﻥ ﻧﻭﺻ ﻲ ﺑ ﺄﻥ ﺗﺭﻛ ﺏ ﻣﺭﺷ ﺢ‬
.‫ﺗﺷ ﻐﻳﻝ ﻣﻐ ﻳﺭ ﺍﻟ ﺗﺭﺩﺩ‬
‫ﻧﻌﺔ ﻟﻠﻣﻭﺗ‬ ‫ﺭﻛﺔ ﺍﻟﻣﺻ‬ ‫ﺩﻓﻭﺱ ﺃﻭ ﺑﺎﻟﺷ‬ ‫ﻝ ﺑﺟﺭﻭﻧ‬
6.1
6 . 1
6.1.1
6 . 1 . 1
‫ﺗﺤـــﺬﻳﺮ‬
Pt1000
‫ﺗﺤـــﺬﻳﺮ‬
‫ﺔ ﻣﺗﻠﻔ‬ ‫ﻓﻭﻟﺗﻳ‬
.‫ﻓﻭﻟ ﺕ‬ 850
6.7.6
6.1.2
6 . 1 . 2
‫ﺍﺗﺻ‬
425