상품 소개
The cleanroom door position sensor pairs a reed-switch module on the frame with a permanent magnet on the moving leaf. When the door closes and the two housings align within the sensing gap, the magnetic field changes the dry contact state sent to the interlock or access controller. Stainless or smooth white housings protect the encapsulated components, and the absence of a mechanical plunger removes a contact point from the clean opening.
주요 기능
Encapsulated reed contacts resist contamination at the sensing element and require no exposed actuator.
Separate sensor and magnet housings accommodate frame-to-leaf movement across a controlled gap.
Dry-contact wiring integrates with interlocks, access panels and local door-status indicators.
고객 제품 관심사
The control system must distinguish a physically closed door from one that is merely locked or moving through the frame.
A mechanical limit switch wears or traps residue where its plunger touches the door.The sealed reed and magnet sense alignment without mechanical contact.
Frame movement causes intermittent feedback when the sensing gap is too narrow.Matched surface or recessed housings provide a defined operating gap and adjustment range.
An interlock releases the opposite door before the first leaf has fully returned.The controller receives a dedicated closed-position contact from the aligned sensor pair.
일반적인 응용 프로그램
Cleanroom interlock feedbackAccess-controlled laboratory doorsAutomatic door closed-position inputPersonnel and material airlocks
기술 매개변수
Typical dimensions and material data for a sealed cleanroom magnetic door contact are listed below.
| 핵심 재료 | Hermetically sealed reed capsule with copper-alloy contacts and ferrite permanent magnet |
|---|---|
| 패널 두께 | Approximately 12–25 mm housing depth |
| 유효 폭 | Approximately 19–38 mm module width |
| 최대 길이 | Approximately 110 mm for a long-range stainless sensor module |
| 강철 면면 두께 | 0.8–1.2 mm brushed stainless-steel housing where selected |
| 코어 밀도 | Approximately 4800–5100 kg/m³ for the ferrite magnet core |
| 열전도도 (Thermal Conductivity) | Approximately 3–5 W/(m·K) for the ferrite magnet material |
| 표면 마무리 | Brushed stainless steel or smooth white moulded polymer housing |
| 접합 유형 | Matched surface or recessed sensor-and-magnet pair aligned across a controlled gap |
| 사용자 정의 | 의도된 응용 프로그램 및 운영 환경에 따라 사용할 수 있습니다. |
사용 가능한 옵션
Normally open, normally closed or changeover contactWhite polymer or stainless housingSurface or recessed mountingPrewired lead or screw-terminal connection
Planning a Cleanroom Door Position Sensor specification?
치수, 설치 조건, 성능 목표 및 필요한 표면 마감을 보내십시오.

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