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Reinraumsteuerung und Umweltüberwachungssysteme
Tür Status Sensor
A sealed magnetic proximity contact that reports the true open or closed position of a cleanroom door to interlock, pressure and monitoring systems.
- Non-Contact Magnetic Sensing
- Flush Cleanroom Installation
- Sealed Stainless Face
- Open-Closed Signal Output
Produkteinführung
The cleanroom door status sensor uses a reed or solid-state magnetic element in the frame and a permanent magnet in the moving leaf. Because the two parts do not touch, the device avoids exposed mechanical levers and tolerates frequent door cycles. Flush stainless or smooth polymer housings sit nearly level with the door surfaces for easier wiping. Normally open, normally closed or changeover contacts provide a direct input to airlock interlocks, room pressure controls, alarms and access monitoring.
Key Features
Flush or low-profile bodies preserve smooth door and frame surfaces for routine cleaning.
Clearly matched sensor and magnet geometry provides repeatable switching distance.
Dry-contact or solid-state outputs connect directly to common PLC, DDC and interlock inputs.
Kunden Produktbedenken
Reliable door status depends on alignment, switching gap and cable protection rather than only the electrical contact type.
A door looks closed but the sensor remains open because the magnet is misaligned.Matched flush pockets and alignment marks position the magnet within the specified operating gap.
A protruding limit switch traps residue on the cleanroom frame.A flush non-contact sensor removes exposed actuator arms and horizontal ledges.
Repeated door movement breaks an unprotected cable at the frame.Fixed frame wiring and sealed rear entry keep the cable away from hinges and moving hardware.
The interlock cannot distinguish a cut cable from a closed door.Normally closed or supervised circuits allow open-circuit wiring faults to create a detectable abnormal state.
Typische Anwendungen
Personnel airlock doorsMaterial-transfer airlock doorsCleanroom swing and sliding doorsPass box door monitoring
Technische Parameter
Typical materials and dimensions for a flush cleanroom magnetic door status sensor are shown below.
| Core Material | Reed or solid-state magnetic element in 304 stainless steel or glass-filled polymer body |
|---|---|
| Panel Dicke | 12-25 mm sensor body depth |
| Effektive Breite | 15-30 mm face width |
| Maximale Länge | Up to 100 mm sensor body length |
| Stahl facing Dicke | 0.8-1.2 mm 304 stainless steel faceplate |
| Kerndichte | 7900-8030 kg/m³ for stainless face components |
| Thermische Leitfähigkeit | 14-17 W/(m·K) for 304 stainless steel face |
| Oberfläche Finish | Brushed stainless steel or smooth white polymer with concealed fixing points |
| Gemeinsamer Typ | Paired recessed sensor and magnet with sealed pigtail or rear screw terminal |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
Recessed or surface mountNormally open, closed or changeover contactArmored cable leadWide-gap magnet
Planning a Door Status Sensor specification?
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