PTL爬电距离量规
PTL爬电距离量规用以衡量在死亡状态下在电压不足的操作条件下部件之间，同时在电压不足的操作条件下可接触的金属片和部件之间的爬电距离和间隙距离，这个操作条件根据IEC和CEE标准公布的：例如:在安装材料，开关，插头，插座和电器的条件下。
EN Standards
VDE Specifications
Standard Outfit :
1 gauge block, cross section approx. 1 mm x 1 mm, distances between measuring
faces by agreement from 1 mm to 8 mm with a tolerance of -0.02 mm, with shaft, cross section approx. 2 mm x 1 mm,
and with grip, approx. 12 mm x 40 mm x 1 mm, rounded, with bore and engraving
(distance / mm, e. g. "5,0").
Design : made of spring steel, hardened and browned, measuring faces ground plane
parallel, total length approx. 70 mm, Article No.: L 25.XY
with XY = distance between measuring faces in 1/10 mm. Example: the article no. of the creepage distance gauge having a distance between measuring faces of 3,5 mm is: L 25.35
Assortments :
PTL Creepage Distance Gauges Bunch A
with 8 creepage distance gauges:
1,0 - 1,5 - 2,0 - 2,5 - 3,0 - 4,0 - 6,0 - 8,0 mm,
Article No.: L 25.81
PTL Creepage Distance Gauges Bunch B
with 15 creepage distance gauges: 1,0 to 8,0 mm in steps of 0,5 mm,
Article No.: L 25.84
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