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أنظمة التحكم في الغرف النظيفة والمراقبة البيئية
Room عرض الضغط التفاضلي
A dedicated room pressure display that combines low-range sensing, large signed value, status color and alarm outputs at the cleanroom entrance.
- Integrated Differential Sensor
- Signed Pressure Value
- Green-Red Room Status
- Alarm and Network Outputs
مقدمة المنتج
The room differential pressure display senses cleanroom-to-reference pressure through high and low tubing ports and presents the signed value on a bright entrance display. Configurable normal, warning and alarm bands change screen color and operate audible or relay outputs. Door contact input can suppress transient nuisance alarms while preserving the live pressure value. Flush and surface formats support new wall panels or retrofit installation, and network communication shares the measurement and status with centralized monitoring.
الخصائص الرئيسية
Signed numeric display clearly distinguishes positive and negative room relationships.
Configurable delay and deadband reduce alarms caused by ordinary door movement.
Relay, analog and network outputs retransmit both pressure value and alarm state.
مخاوف المنتج للعملاء
A room pressure display must remain clear near zero and should identify sustained loss without alarming on every routine door opening.
The sign of the pressure value is overlooked during a fast corridor check.Large plus-minus indication and status color make the room relationship explicit.
Every door cycle creates an audible nuisance alarm.Door-aware delay distinguishes normal passage from pressure that fails to recover.
The local display and BMS use separate sensors and show different values.One integrated sensor supplies the display and retransmitted output.
Pressure tubing is exposed around a surface-mounted monitor.Flush mounting and rear pressure ports conceal the pneumatic connections within the wall panel.
تطبيقات نموذجية
Cleanroom pressure cascadesIsolation room entrancesAirlock pressure indicationContainment laboratory rooms
المعلمات الفنية
Typical construction values for a cleanroom room differential pressure display are shown below.
| المواد الأساسية | Silicon MEMS pressure sensor with industrial LCD, tempered glass and 304 stainless bezel |
|---|---|
| سمك اللوحة | 45-85 mm display depth |
| العرض الفعال | 140-240 mm bezel width |
| الحد الأقصى الطول | Up to 300 mm bezel height |
| الصلب يواجه سمك | 1.0-1.5 mm 304 stainless steel bezel |
| الكثافة الأساسية | 7900-8030 kg/m³ for stainless bezel components |
| الموصلية الحرارية | 14-17 W/(m·K) for 304 stainless steel bezel |
| إنهاء السطح | Brushed stainless face with black glass and green-amber-red backlit status |
| نوع المشترك | Flush wall mount with rear high-low pressure ports and removable power-output terminal |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Positive, negative or bidirectional rangeFlush or surface mountingDoor contact inputBACnet or Modbus communication
Planning a Room Differential Pressure Display specification?
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