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Temiz Oda Kontrolü ve Çevre İzleme Sistemleri
Filtre Farklı Basınç Sensörü
A differential sensor package that compares upstream and downstream filter pressure to track loading, blockage and unexpected bypass conditions.
- Upstream-Downstream Comparison
- Filter Loading Trend
- Adjustable Alarm Threshold
- Dual Pressure Tubing Kit
Ürün tanıtımı
The filter differential pressure sensor receives one pressure line from each side of a HEPA filter, prefilter or air-handling coil. Its low-pressure element converts the difference into a continuous signal that rises as resistance builds at a given airflow. Monitoring systems can trend the value and generate a maintenance alarm before the filter causes excessive fan demand or airflow loss. Clearly separated high and low ports, colored tubing and serviceable zero adjustment reduce common installation errors.
Ana Özellikler
Continuous output shows the rate of loading instead of only a single switch point.
Adjustable alarm and hysteresis support planned maintenance before severe restriction.
Colored pressure lines and labeled ports reduce upstream-downstream connection errors.
Müşteri Ürün Sorunları
Filter pressure drop depends on airflow as well as loading, so reliable interpretation requires correct pressure connections and trend context.
Maintenance changes filters on a fixed schedule without knowing actual loading.Continuous differential trends reveal how resistance develops under real operation.
Reversed pressure tubes produce a negative or misleading reading.Red-blue tubing and marked high-low ports preserve upstream-downstream orientation.
A brief fan-speed change triggers a false dirty-filter alarm.Delay and hysteresis prevent a short airflow transition from being treated as sustained loading.
A damaged or missing filter creates an unexpectedly low pressure drop.Low-differential alarms can identify probable bypass or absent media as well as high loading.
Tipik uygulamalar
HEPA terminal filtersAHU prefiltersBag-filter banksCleanroom return-air filters
Teknik parametreler
Typical construction for a filter differential pressure sensor and tubing kit is listed below.
| Temel malzemeler | Silicon MEMS differential element in polycarbonate housing with stainless pressure taps and silicone tubing |
|---|---|
| Panel kalınlığı | 45-80 mm sensor depth |
| Effective Width (Etkili Genişlik) | 90-150 mm transmitter width |
| Maksimum uzunluk | Pressure tubing supplied up to 3000 mm per side |
| Çelik yüz yüze kalınlığı | 0.5-0.8 mm stainless steel pressure taps |
| Core Density (Çekirdek Yoğunluğu) | 1180-1450 kg/m³ for polymer sensor housing |
| Termal İletkenlik | 0.19-0.35 W/(m·K) for polymer enclosure material |
| Yüzey bitirme | Light-gray sensor housing with red-blue port markings and satin stainless taps |
| Ortak tip | Dual barbed high-low ports with gasketed duct taps and removable signal terminal |
| Customization (Özelleşme) | Kullanılan uygulama ve çalışma ortamına göre kullanılabilir. |
Mevcut Seçenekler
Analog output or pressure switchLocal LCDHigh and low alarm relaysColored tubing and duct tap kit
Planning a Filter Differential Pressure Sensor specification?
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