YIDINGAIR FILTRATION
Product overview
What it is and where it fits.
A differential pressure gauge shows the pressure difference between two points — across a filter, or between a cleanroom and the adjacent area. It is the simplest way to know when a filter needs replacing and whether room pressure cascades are holding.
Two types are available: a liquid-column gauge with low-volatility red indicator fluid, and a dial gauge with a magnetic-helix mechanism, rubber diaphragm sensor, metal housing and vent valve.
- Instrument
- Differential pressure gauge
- Liquid-column type
- Low-volatility red indicator fluid
- Dial type
- Magnetic-helix mechanism, rubber diaphragm, metal housing, vent valve
- Uses
- Filter pressure drop, room pressure differences
Typical applications
- Monitoring pressure drop across pocket, panel and HEPA filters
- Cleanroom and airlock pressure differences
- Air handling unit filter banks
Construction & performance
Liquid-column option
A low-volatility red indicator fluid displays the pressure difference.
Dial option
A magnetic-helix mechanism with a rubber diaphragm sensing element, metal housing, vent valve and a white dial with black markings.
Specification enquiry
Specify the measuring range, accuracy, connection size and mounting arrangement you need.
Selection guide
How to choose.
Choose the range
Filter monitoring needs a range above the final pressure drop of the filter; room monitoring needs a low range with fine resolution.
Dial or liquid column
Dial gauges are compact and easy to read from a distance; liquid-column gauges are simple and need no mechanism.
Technical data
Specifications & dimensions.
Configuration-specific data available on enquiry.
This product is configured to order. Tell us your application and we will send the drawing and technical data.
FAQ
Common questions.
How do I know when to change a filter?+
Mount a differential pressure gauge across the filter and replace it when the reading reaches the final pressure drop for your system.
