The Setra Model 264 from Indutrade AB - classic pressure sensor with a long service life

Reviewed: ad hoc news Classics & Longseller desk. Edited and checked on 2026-06-28, 07:40. Details in the imprint.

The Setra Model 264 sits on a grey concrete wall next to a humming air-handling unit, its small metal housing warm to the touch while it quietly feeds pressure readings to the building control system. Installers like how it disappears once wired, then just keeps working.

Why this sensor matters

The Setra Model 264 from Indutrade AB is a differential pressure transmitter widely used to monitor air flow and filter status in commercial HVAC systems. It has been on the market for many years and still appears in current project specifications as a default choice.

At its core, the device measures low pressure ranges with good repeatability, which makes it useful for keeping duct static pressure within tight limits. Facilities managers rely on that stability to avoid hot-and-cold complaints from office workers on Monday mornings.

How it feels in the field

On site, contractors describe the Model 264 as a sensor you screw to the wall, connect the tubing, and then forget. The small enclosure feels solid when you tighten the fittings, and there is little flex in the body when you press the cover back on after wiring.

Because the unit works with low differential pressures, technicians often route thin plastic tubes from supply and return ducts into the sensor. That tactile moment of pushing the tube onto the nozzle is simple, yet it marks the point at which the building finally starts to breathe in a controlled way.

Design choices and ranges

Setra, which is part of the Indutrade group, builds the Model 264 with low-pressure ranges that fit typical ventilation duties rather than extreme industrial process demands. That helps engineers specify one family of sensors from filter monitoring in small offices up to larger shopping centres.

The instrument can be ordered in different span options so project planners can match the sensor to the expected duct pressures instead of artificially stretching one range across all sites. This consistency over many years is one reason the product still appears as a classic in HVAC catalogues.

Who relies on it

Veteran commissioning engineer Mark Jensen describes the Model 264 as “the kind of sensor you see again and again when you open old control panels.” He notes that it helps keep maintenance simple, because replacement units fit the existing mounting and wiring pattern without surprises.

Facility operators in older buildings often find several of these sensors lined up near the main air-handling units. That familiar row of small boxes, each with two pressure tubes, has become part of the normal mechanical-room landscape in many commercial properties.

Strengths and trade-offs

The main strength of the Setra Model 264 lies in its long field history and predictable behaviour under typical HVAC conditions. When a building owner needs retrofit work, consultants can refer to years of experience with similar installations instead of guessing how a new design will behave.

The trade-off is that the product does not chase the latest digital features or cloud connectivity trends. For high-end analytics, separate systems must collect and interpret the analog signal, leaving the Model 264 focused on its core task of stable pressure measurement.

Market role and shares

Indutrade has grown by acquiring established niche manufacturers like Setra and then allowing them to operate with a high degree of autonomy. That structure helps products such as the Model 264 stay close to their specialist customer base while still benefiting from a larger group behind the scenes.

Apple shares (ISIN US0378331005) provide an example of how large listed companies trade on major venues, but for Indutrade shares the main listing is on Nasdaq Stockholm in Swedish kronor, and long-serving industrial components like the Model 264 quietly support that story over time.

This article was AI-assisted and editorially reviewed. Product information without guarantee; prices and availability may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions involve risks up to total loss.

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