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18.102 The electrical connections between the resistance material and electrodes of
8 A4 F/ j3 Z, \$ W# Cflexible sheet heating elements shall be reliable.
O. ]; S6 E1 C, g5 ZCompliance is checked by tests that are carried out on two heating units, each having a- a1 t' k9 ^/ Y3 H8 d- q/ o
length exceeding 1 m.6 ]( F1 J$ k6 C$ X# g
One heating unit is subjected to the test of 18.102.2 after which it is subjected to the test of
( Q$ Y$ j( i$ W2 |- \8 V1 t18.102.5. The other heating unit is subjected to the tests of 18.102.1 to 18.102.5.* `, H( e1 o5 l
After the tests, the voltage drop of the second heating unit, determined at the location where
2 d# ^4 E# W* L+ ]6 Gbending is applied during the tests of 18.102.2, shall not exceed 1,5 times the voltage drop; @/ z; k1 ]- s2 r
that was determined on the first heating unit. In addition, the average voltage drop
0 P+ v. `! `: x7 Ndetermined at the other locations of the second heating unit, shall not exceed 1,5 times the) e. y$ m: U. \/ L
average voltage drop of the first heating unit." e4 ~ D# W0 y$ O, U
Inspection shall show no contact degradation such as pitting under the electrodes or damage
+ g, m, N6 ~6 h% D# Ladjacent to the electrodes.
7 P2 u: E/ j6 D% Q0 v$ r- e
+ h/ y! W; K3 K- W1）电压降： 怎么判定是两个样板电压降作比较？电压降怎么测试？按18.101 测试吗？ |
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