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Cảm biến điện dung_Capacitive sensor

Giá bán: Vui lòng gọi
Tình trạng: Mới 100%
Xuất xứ: EGE Elektronik_Germany
Mô tả:

A frequently used device for positioning, counting and detecting metal and non metal objects without contact

 Capacitive proximity switches - Applications
Operating Principal


A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor. When a substantial or fluid substance nears this field a capacitance unbalance occurs and leads to a variation of the amplification in the oscillating circuit. If this amplification exceeds a threshold value, a switching signal is generated.
Operating Distance

The operating distance is the separation of an object from the active sensor surface at which a switching signal is produced. The operating distance depends on the diameter of the sensor surface. Therefore larger sensors are required for longer operating distances. Many EGE sensors have an adjustable operating distance. Capacitative proximity switches react to conductive materials and non-conductive materials with a dialectrical constant Epsilon >1. The operating distance depends on the material. Constant measurement of different materials against earthed steel ST37 yields a changed operating distance. The following table lists the approximate values for the material dependent reduction factors. In practical applications there could be variations, because of the mounting conditions, for example.
Material influence proximity switches
The water content of an object or a liquid has a decisive influence on the operating distance. A high humidity content increases the operating distance considerably. If the proximity switch is moistened with conductive materials, its function can be impaired when a conductive film builds up that electrically connects the sensor electrode with a metallic conducting side. Capacitive proximity switches can detect filling products right through non-electrically conducting container sides. The filler will certainly be detected if its dialectric constant is at least as large as that of the container sides.
Id-No. Type Distributor
P40007 KGM 012 WS EGE Elektronik Vietnam_ANS Vietnam
P40008 KGM 012 WO EGE Elektronik Vietnam_ANS Vietnam
P40009 KGM 015 WS EGE Elektronik Vietnam_ANS Vietnam
P40010 KGM 015 WO EGE Elektronik Vietnam_ANS Vietnam
P40011 KGK 015 WS EGE Elektronik Vietnam_ANS Vietnam
P40012 KGK 015 WO EGE Elektronik Vietnam_ANS Vietnam
P40017 KNK 015 WS EGE Elektronik Vietnam_ANS Vietnam
P40018 KNK 015 WO EGE Elektronik Vietnam_ANS Vietnam
P40019 KNK 025 WS EGE Elektronik Vietnam_ANS Vietnam
P40020 KNK 025 WO EGE Elektronik Vietnam_ANS Vietnam
P40021 KD 080 WS EGE Elektronik Vietnam_ANS Vietnam
P40023 KNK 090 WS EGE Elektronik Vietnam_ANS Vietnam
P40072 KGM 012 GSP EGE Elektronik Vietnam_ANS Vietnam
P40073 KGM 012 GOP EGE Elektronik Vietnam_ANS Vietnam
P40076 KGM 015 GSP EGE Elektronik Vietnam_ANS Vietnam
P40077 KGM 015 GOP EGE Elektronik Vietnam_ANS Vietnam
P40080 KGK 015 GSP EGE Elektronik Vietnam_ANS Vietnam
P40081 KGK 015 GOP EGE Elektronik Vietnam_ANS Vietnam
P40092 KNK 015 GSP EGE Elektronik Vietnam_ANS Vietnam
P40093 KNK 015 GOP EGE Elektronik Vietnam_ANS Vietnam
P40096 KNK 025 GSP EGE Elektronik Vietnam_ANS Vietnam
P40097 KNK 025 GOP EGE Elektronik Vietnam_ANS Vietnam
P40100 KD 080 GSP EGE Elektronik Vietnam_ANS Vietnam
P40105 KNK 090 GSP EGE Elektronik Vietnam_ANS Vietnam
P40500 KNM 20 EGE Elektronik Vietnam_ANS Vietnam
P40501 KNM 35 EGE Elektronik Vietnam_ANS Vietnam
P40502 KPM 35 EGE Elektronik Vietnam_ANS Vietnam
P41001 KGM 005 GSP EGE Elektronik Vietnam_ANS Vietnam
P41002 KGM 005 GOP EGE Elektronik Vietnam_ANS Vietnam
P41009 KGM 007 GSP EGE Elektronik Vietnam_ANS Vietnam
P41010 KGM 007 GOP EGE Elektronik Vietnam_ANS Vietnam
P41017 KGK 007 GSP EGE Elektronik Vietnam_ANS Vietnam
P41018 KGK 007 GOP EGE Elektronik Vietnam_ANS Vietnam
P41208 KNKU 015 GSP EGE Elektronik Vietnam_ANS Vietnam
P41209 KNKU 015 GOP EGE Elektronik Vietnam_ANS Vietnam
P41220 KNKU 025 GSP EGE Elektronik Vietnam_ANS Vietnam
P41221 KNKU 025 GOP EGE Elektronik Vietnam_ANS Vietnam
P41266 KGFW 010 WS EGE Elektronik Vietnam_ANS Vietnam
P41268 KGFW 010 GSP EGE Elektronik Vietnam_ANS Vietnam
P41269 KGFW 010 GOP EGE Elektronik Vietnam_ANS Vietnam
P41278 KGFW 015 WS EGE Elektronik Vietnam_ANS Vietnam
P41280 KGFW 015 GSP EGE Elektronik Vietnam_ANS Vietnam
P41281 KGFW 015 GOP EGE Elektronik Vietnam_ANS Vietnam
P41290 KNFW 020 WS EGE Elektronik Vietnam_ANS Vietnam
P41292 KNFW 020 GSP EGE Elektronik Vietnam_ANS Vietnam
P41293 KNFW 020 GOP EGE Elektronik Vietnam_ANS Vietnam
P41300 KGK 002 GSP EGE Elektronik Vietnam_ANS Vietnam
P41301 KGMT 05-S200 EGE Elektronik Vietnam_ANS Vietnam
P41302 KGMT 10-S200 EGE Elektronik Vietnam_ANS Vietnam
P41303 KGKU 002 GSP EGE Elektronik Vietnam_ANS Vietnam
P41309 KGA 015 GI EGE Elektronik Vietnam_ANS Vietnam
P41310 KDA 080 GI EGE Elektronik Vietnam_ANS Vietnam
P41311 KDEX 080 EGE Elektronik Vietnam_ANS Vietnam
P41313 KDEX 020 EGE Elektronik Vietnam_ANS Vietnam
P41314 KDEX 034 EGE Elektronik Vietnam_ANS Vietnam
P41315 KDEX 020 GSP EGE Elektronik Vietnam_ANS Vietnam
P41316 KDEX 034 GSP EGE Elektronik Vietnam_ANS Vietnam
P41317 KDEX 080 GSP EGE Elektronik Vietnam_ANS Vietnam