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本帖最后由 zhutongshuai 于 2011-12-24 12:33 编辑
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* X, o; D: c* LCTL-OP 109 Laboratory Procedure For Acceptance of Thermocouple Wire2 y" c1 g9 E7 [# t' _! l! h
9 J' z# X! s1 C, p0 OPROCEDURES1 ^+ s ?9 h* ]8 k
4.1 Thermocouples shall be prepared by staff trained in preparation of thermocouples.
0 z2 E; k: n3 q, F4.2 Thermocouples are to be prepared as noted:
2 }/ k. g" u' P- U4 d4.2.1 Inner insulation stripped back approximately 1.5 mm from tip." V: O e6 b, f8 o" [
4.2.2 Outer insulation, if any, stripped back approximately 15 mm from tip.3 Q' {2 n5 ?# Q
4.2.3 The tip is to be joined by a single point weld. Other reliable and consistent methods of joining the thermocouple wires may be used upon prior acceptance of the CTL.
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Note – Dimensions given are typical, not required.
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