廠家推薦LS產電GBH403E原裝現貨中山立訊電氣有限公司銷售韓國IOVIS光源
FT-BB-250-190-R-12V
FT-BB-165-83-R-12V
FT-BB-300-150-R-12V
FT-BB-100-80-R-12V
FT-BT-70-35-W-12V
FT-BT-60-54-IR-12V
FT-RP-60-32-W-12V
IO-BT-100-50-W-12V
FT-BT-180-30-W-12V
FT-BB-200-85-R-12V
FT-BB-300-150-10t-R-12V 
FT-BB-165-83-8.5t-R-12V
FT-BB-100-80-10t-R-12V
FT-BT-122-30-22t-W-12V
IO-BB-165-68-10t-R-12V
FT-BB-200-60-10t-R-12V 廠家推薦LS產電GBH403E原裝現貨　　根據線圈工作電壓的不同，電磁式繼電器分為直流繼電器、交流繼電器和脈沖繼電器等類型。[9]電磁式繼電器可以用萬用表進行檢測。萬用表置于“R×100”或“R×1k”擋，兩表筆（不分正、負）接繼電器線圈的兩引腳（圖9所示），萬用表指示應與該繼電器的線圈電阻基本相符。

IO-BT-100-50-W-12V
FT-BT-180-30-W-12V
FT-BB-94-55-W-12V
FT-BB-250-190-10t-R-12V
FT-BT-180-30-22t-R-12V
FT-BB-200-85-10t-R-12V
FT-BT-100-50-22t-W-12V
FT-BT-94-55-22t-W-12V
FT-BT-07-35-22T-W-12V
IO-BT-100-50-W-12V
FT-BB-100-80-R-12V
vieworks工業相機
acA1920-50gm
acA1920-50gc
acA2040-35gm
acA2040-35gc
acA2440-20gm
acA2440-20gc
acA2500-20gm
acA2500-20gc
acA3088-16gm
acA3088-16gc
acA3088-57um
acA3088-57uc
acA4024-29um
acA4024-29uc
acA4024-8gm
acA4024-8gc
acA4096-40um
acA4096-40uc
acA4096-11gm廠家推薦LS產電GBH403E原裝現貨　　分閘時，永磁交流器除分閘彈簧的作用外，還具有磁極相斥力的作用，這兩種作用使分閘的速度較器快很多，經檢測，永磁交流器分閘時間一般小于25ms，而器分閘速度一般在80ms以上。此外，線圈和鐵芯的會降低主觸頭容量，電壓波動導致的吸力不夠或振顫會使器主觸頭、拉弧甚至熔焊。


acA4096-11gc
acA4096-30um
acA4096-30uc
acA4112-20um
acA4112-20uc
acA4112-30um
acA4112-30uc
acA4112-8gm
acA4112-8gc
tof640-20gm
tof640-850nm
acA3800-10gm
acA3800-10gc
acA640-300gm
acA640-300gc
acA800-200gm
acA800-200gc
acA1300-75gm
acA1300-75gc
acA2000-50gm
acA2000-50gc
acA2000-50gm
acA2000-50NIR
acA2040-25gm
acA2040-25gc
acA2040-25gm
acA2040-25NIR
acA2500-14gm
acA2500-14gc
acA1300-30gm
acA1300-30gc
acA1300-60gm
acA1300-60gc
acA1300-60gm 廠家推薦LS產電GBH403E原裝現貨　　8：極數，“8”是指8極電動機。如：Y630—10/1180Y表示異步電動機;630表示功率630KW;10極、定子鐵心外徑1180MM。2、機座長度用通用字母表示：S——短機座M——中機座L——長機座3、鐵心長度用數字1、2、3、4、、、由長至短分別表示。


acA1300-60NIR
acA1300-75gm
acA1300-75gc
acA1600-20gm
acA1600-20gc
acA1300-75gm
acA1300-75NIR
acA1600-60gm
acA1600-60gc
acA1280-60gm
acA1280-60gc
acA1300-22gm
acA1300-22gc
acA1920-25gm
acA1920-25gc
acA1920-40gm
acA1920-40gc
acA640-120gm
acA640-120gc
acA1920-48gm
acA1920-48gc
acA640-90gm
acA640-90gc
acA645-100gm
acA645-100gc
acA640-300gm
acA750-30gm
acA750-30gc
acA780-75gm
acA780-75gc
acA800-200gm
acA800-200gc
avA1000-100gm
avA1000-100gc
avA1600-50gm
avA1600-50gc
avA1900-50gm
avA1900-50gc
avA2300-25gm
avA2300-25gc
piA1000-48gm
piA1000-48gc
piA1000-60gm
piA1000-60gc
piA1600-35gm
piA1600-35gc
piA1900-32gm
piA1900-32gc
piA2400-17gm
piA2400-17gc
piA640-210gm
piA640-210gc
scA640-70gm
scA640-70gc
scA640-74gm
scA640-74gc
scA640-120gm
scA640-120gc
scA750-60gm
scA750-60gc
scA780-54gm
scA780-54gc
scA1300-32gm
scA1300-32gc
scA1390-17gm廠家推薦LS產電GBH403E原裝現貨　　解：（1）、球體外的場強通過點以為球心、為半徑作一封閉球面為高斯面。由于對稱性，該面上場強的數值都相同，方向沿半徑向外。應用高斯定理，得所以（2）、球的場強通過點以為球心、為半徑作一封閉球面為高斯面。


scA1390-17gc
scA1400-17gm
scA1400-17gc
scA1400-30gm
scA1400-30gc
scA1600-14gm
scA1600-14gc
scA1600-28gm
scA1600-28gc
acA1920-50gm
acA1920-50gc
acA2040-35gm
acA2040-35gc
acA2440-20gm
acA2440-20gc
acA4600-7gc
VT-23K3.5X-H100
VT-16K5X-H140
VT-18K3.5X-H140
VT-18K3.5X-H80
VT-12K5X-H200
VT-12K5X-H100
VT-9K7X-H250
VT-9K7X-H120
VT-6K10X-H170
VT-6K3.5X-H160
VT-6K3.5X-E160
VT-4K5X-H200
VT-4K5X-E200
VT-3K7X-H250
VT-3K7X-E250
VT-18K3.5C-H40
VT-12K5C-H60
VT-9K7C-H80
VT-4K14C-H120
VT-4K7C-H120
VT-6K3.5C-H100
VT-6K3.5C-E100
VT-4K5C-H100
VT-4K5C-E100
M42 (C or F-mount)
M42 (C or F-mount)
VC-25MX-M/Cs
VC-12MX2-M/C
VC-12MX-M/C
VC-4MX-M/C
VC-2MC-M/C
VC-2MC-M/C
VC-3MC-M/C
VC-4MC-M/C
VC-4MC-M/C
VC-12MC-M/C
VC-25MC-M/C
VC-71MC-M/C

 　　公共走道的各個通道口，通向室外或樓梯的門口上方應安裝“出口”標志燈，較長的走道內轉角處要安裝疏散標志燈，且疏散標志燈間距應等于或小于20m。診療室診療室的水平照度和垂直照度都要達到觀察和書寫的要求，照度一般應在300lx以上。　　真空斷路器滅弧原理在真空斷路器分斷瞬間，由于兩觸頭間的電容存在，使觸頭間絕緣擊穿，產生真空電弧。由于觸頭形狀和結構的原因，使得真空電弧柱迅速向弧柱體外的真空區域擴散。當被分斷的電流接近零時，觸頭間電弧的溫度和壓力急劇下降，使電弧不能繼續維持而熄滅。