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Reinraumsteuerung und Umweltüberwachungssysteme
Magnehelic Differenzdruckmessgerät
A mechanical low-pressure gauge with a large analog dial for continuous room, filter or duct differential indication without an external power supply.
- No Operating Power
- Large Analog Dial
- Low-Pressure Ranges
- Flush or Surface Mount
Produkteinführung
The Magnehelic differential pressure gauge converts a low pressure difference into pointer movement through a diaphragm and magnetic linkage. The mechanism isolates the process air from the dial train and provides a clear zero-centered or positive scale. With no electrical power required, the gauge remains useful as an independent local indication beside electronic control or monitoring instruments. Front zero adjustment, high and low ports and flush-mount hardware support straightforward installation on cleanroom walls and filter housings.
Key Features
A large white dial and black pointer allow quick condition checks at normal viewing distance.
Diaphragm and magnetic linkage separate the pressure chamber from the pointer mechanism.
Front zero adjustment permits routine correction without opening the instrument body.
Kunden Produktbedenken
A local mechanical gauge is most valuable when it stays readable, stable near zero and independent of the main control system.
A power or network interruption removes the only room pressure indication.The mechanical dial continues to show differential pressure without external power.
Small scale markings make low pressure changes hard to judge.A broad circular scale spreads the selected pressure range over a large pointer arc.
Tubing direction is confused during wall installation.Clearly marked high and low ports establish the positive reference side.
The pointer no longer rests at zero after long service.A front-access zero screw permits correction with both ports at equal pressure.
Typische Anwendungen
Local room-to-room pressure indicationHEPA filter loadingFan and duct pressureAirlock differential indication
Technische Parameter
Typical materials and dimensions for a cleanroom mechanical differential pressure gauge are listed below.
| Core Material | Silicone diaphragm with die-cast aluminum case, magnetic linkage and clear polycarbonate lens |
|---|---|
| Panel Dicke | 45-65 mm gauge body depth |
| Effektive Breite | 100-125 mm dial diameter |
| Maximale Länge | Up to 150 mm overall body dimension with fittings |
| Stahl facing Dicke | 0 mm; die-cast aluminum instrument case |
| Kerndichte | 2650-2750 kg/m³ for aluminum case components |
| Thermische Leitfähigkeit | 150-220 W/(m·K) for the aluminum case |
| Oberfläche Finish | Black or dark-gray case with white dial, black pointer and clear lens |
| Gemeinsamer Typ | Dual high-low pressure connections with flush-mount ring or surface bracket |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
Positive or bidirectional scalePa or inch-water-column dialFlush or surface mountingStatic pressure tips and tubing kit
Planning a Magnehelic Differential Pressure Gauge specification?
Senden Sie uns Ihre Abmessungen, Installationsbedingungen, Leistungsziele und gewünschte Oberflächenveredelung.
