China configuration reference
- Monitoring area
- 800 m²
- Sampling pipe
- 80 m
- Sampling holes
- 12
- Farthest hole
- 40 m
SecuriSmoke ASD · Product
Compact single-channel aspirating smoke detector
ASD 531
SecuriSmoke ASD 531 is intended for small monitoring areas, individual server racks, clean rooms, false ceilings and other compact protection zones with a short sampling pipe network.
Mainland China product-sheet area800 m²
Where it fits.
Where it does not.
Start with zone structure, pipe complexity, environment, interfaces and destination-market approval—not maximum area alone.
Screen this model when
- Compact rooms or equipment enclosures with one short, concentrated sampling network
- Individual server, control or electrical cabinets where sampling must follow the equipment airflow
- Projects where installation volume, power demand and accessible maintenance are important
Usually not the first choice when
- Long-pipe, large-area or two-zone systems requiring independent detection channels
- Locations where the detector will remain below -10 °C
- Projects requiring Ethernet connectivity, a 10-level smoke display or higher suction pressure
Monitoring scope and
technical data
The two data bases below come from different official product materials. Do not combine them into one design.
English brochure reference
- Pipe capability
- 75 m
- Class A / B / C holes
- 6 / 8 / 12 (Classes A / B / C)
Usable values depend on the applicable class, topology, hole sizes, pressure, transport time and certificate configuration.
| Alarm sensitivity | 0.02% to 10% obs/m |
|---|---|
| Pre-signal | From 0.006%/m |
| Suction pressure | > 30 Pa |
| Permissible temperature range | -10 °C to +55 °C |
| Protection type / humidity | IP 54 / up to 95% RH, non-condensing |
| Supply voltage | 14 to 30 VDC |
| Typical current consumption | 75 mA at 24 VDC |
| Event memory | 640,000 |
| Programmable relays | 7 |
| Smoke-level display | 3-level LED |
| Dimensions | 195 × 333 × 140 mm |
| Weight | 1.95 kg |
Project rule: published maxima are not construction values. Use the current ASD PipeFlow version and obtain competent destination-market review.
Pipe, detection, environment
and installation constraints
These conditions change sampling performance, transport time and false-alarm control.
Sampling pipe
Use the project pipe specification and calculate hole diameters, pressure, balance and transport time in the current Securiton ASD PipeFlow software. The maximum pipe value is not a substitute for a calculation.
Detection
Sampling holes must be positioned where smoke-laden air will actually pass. Cabinet fan pressure and door-open conditions can change the result and require a functional smoke test.
Environment
The detector operating range is -10 °C to +55 °C and up to 95% relative humidity without condensation. Moisture, heavy dust and condensation require project-specific treatment.
Installation
Allow accessible space for commissioning, filter replacement and testing. Pipe entry, capillary routing and return-air arrangements must follow the approved project design.
Adjacent model differences
A larger model is not automatically the better model. Choose the clearest compliant structure.
COMPARE
ASD 531 vs ASD 532
ASD 532 provides a lower pre-signal threshold, higher suction pressure, a wider temperature range and Ethernet connectivity for a medium-sized single-pipe system.
Review ASD 532 ↗FULL SERIESCompare all four models
Channels, pipe capability, sensitivity, environment, applications and limitations.
Open comparison ↗Approvals and destination-market use
An approval mark does not mean automatic acceptance in every country, configuration or fire system.
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Confirm the exact certificate, model suffix, approved configuration, current validity and local authority requirement before quotation or design.
Review certificate previews and scope notes →Official manufacturer material
Use the current SECURITON release for final design, ordering and acceptance.
Common selection questions
Public answers support first-stage screening; formal confirmation requires project inputs.
What is the ASD 531 used for?
ASD 531 is used for small monitoring areas such as individual server racks, small equipment rooms, clean rooms and false ceilings. It is a compact single-channel model, but the sampling network still requires a project-specific PipeFlow calculation.
Can 800 m² be used as a universal design area?
No. The 800 m² figure belongs to the mainland China product-sheet configuration. An international project must use the applicable approval, EN 54-20 class, local code and a project-specific sampling-pipe calculation.
When should ASD 532 be considered instead?
Consider ASD 532 when the project needs a lower pre-signal threshold, higher suction pressure, a broader operating-temperature range, Ethernet or a longer single-pipe network.
Manufacturer sources and review record
- SECURITON “SecuriSmoke ASD Product Brochure”, V2.0 EN, document 831055 / 550138 / 52.01.
- SECURITON official Chinese SecuriSmoke ASD brochure, used only for the separately labelled mainland China configuration.
- SECURITON ASD design documentation and current ASD PipeFlow for project-specific calculation.
Fact / advice boundary: manufacturer data is presented as fact; model screening and project sequence are PEIEN technical recommendations; final values remain project assumptions until reviewed.
Last reviewed: 27 July 2026 by the PEIEN technical content team. Project-level review must be completed by a suitably qualified fire professional or an ASD practitioner with relevant project experience.