|
|
CTL中有这么一句话：
( o0 o8 N1 ^5 l8 a1 ` Thermocouple not included in the Instrument accuracy of measuring range. Thermocouples type “K”, “T”
; H, i6 X! U. }7 T- u c: T5 o and “ J”, premium grade, are recommended.
4 s/ g: U! b3 F Switching power supplies present an electrically noisy environment for test instrumentation. When
* A( h! c1 r* `$ B' G3 I measuring temperatures on and within switching power supplies, thermocouples are in the immediate
; J: |, u# a* ]4 V' b) y. ]( p vicinity or in intimate contact with component sources of the electrical noise. Type J thermocouples are; B2 M$ F3 Z/ ~7 {4 g8 \! g- s0 e
made of material that is magnetic. Type K thermocouples are made of material that is slightly magnetic.$ H T: m M* [4 D
Type T thermocouples are made of non magnetic materials. As a result Type T thermocouples are
$ C9 L0 h- {# Q0 j3 o* q affected less by the high frequency magnetic fields present and give more accurate results.
6 A' N1 w) B" N
: w; b3 u) h; v5 E5 k% O& y. J 也就是说实验室尽量要用T type热电偶?
% d( Z' l6 ]1 z( t5 N! V |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2017-3-9 16:01
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡