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本帖最后由 zhutongshuai 于 2011-12-24 12:33 编辑 / }+ Q9 s' [; G( b4 J' e
+ {& @8 E/ X1 ` cCTL-OP 109 Laboratory Procedure For Acceptance of Thermocouple Wire
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PROCEDURES9 z3 N6 O4 R- i3 J) a+ O2 m
4.1 Thermocouples shall be prepared by staff trained in preparation of thermocouples.4 F0 m0 Y. N/ [" F! E; ~
4.2 Thermocouples are to be prepared as noted:) w* h0 h9 J/ T+ Q
4.2.1 Inner insulation stripped back approximately 1.5 mm from tip.4 T+ f- I) O* P) {; n
4.2.2 Outer insulation, if any, stripped back approximately 15 mm from tip.# p1 {0 v( {& J4 v
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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) d. ?- m2 G/ o5 U3 e0 B1 g. vNote – Dimensions given are typical, not required./ U1 Z, p% w2 @* d6 w! }9 i. H
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