Protected data-centre environment using aspirating smoke detection

SecuriSmoke ASD — Aspirating Smoke Detection

The SecuriSmoke ASD family continuously samples air from a protected room or facility through a pipe network. A high-performance fan draws the air into an evaluation unit, where highly sensitive smoke sensors continuously assess smoke concentration.

Certifications
EN 54-20 Classes A, B, CUL 268 7th EditionFM Approved
0.002 %/m
Minimum Sensitivity
SecuriSmoke ASD 535 aspirating smoke detectorFlagship

SecuriSmoke ASD 535

The universal device with outstanding performance characteristics for medium-sized and large monitoring areas. Available in six versions — one or two channels, with or without smoke level indicator, and as a heavy duty variant.

CoverageMax. 5,760 m²
Configuration2 × 120 apertures / 2 × 300 m total pipe
  • Heavy duty version with IP 66 protection, coated printed circuit boards and 8 kV surge protection.
  • Ambient temperature range down to -30 °C, ideal for deep-freeze warehouses.
  • Suction pressure > 400 Pa, 5 fan performance levels, 34 dB(A) at 1 m.
SecuriSmoke ASD 533 aspirating smoke detectorLarge Areas

SecuriSmoke ASD 533

A single-channel device for large monitoring areas. Identical to the ASD 535 but with a limited performance feature set; with few exceptions all accessory parts can be used.

CoverageMax. 1,920 m²
Configuration50 apertures / 200 m total pipe
  • Same housing and platform as the ASD 535 (265 × 348 × 148 mm, IP 54).
  • Suction pressure > 400 Pa, event memory for 1,000 events.
  • Commissioning via EasyConfig or the ASD Config PC tool.
SecuriSmoke ASD 532 aspirating smoke detectorCompact

SecuriSmoke ASD 532

The single-channel device for medium-sized monitoring areas. It shares the technical characteristics of the ASD 535 but uses one sampling tube and a more compact fan.

CoverageMax. 1,280 m²
Configuration16 apertures / 120 m total pipe
  • Compact housing 195 × 290 × 140 mm, approx. 1,950 g.
  • Smoke level indicator with 10 additional LEDs.
  • Low noise level of 25 dB(A) at 1 m distance.
SecuriSmoke ASD 531 aspirating smoke detectorEntry Level

SecuriSmoke ASD 531

Tailor-made for small monitoring areas and for customers who want a device that is easy to use while retaining an extensive range of accessories.

CoverageMax. 720 m²
Configuration12 apertures / 75 m total pipe
  • BasiConfig allows commissioning with almost no training.
  • Suction pressure > 30 Pa, MTTF > 80,000 h at 40 °C.
  • Operating range -10 to +55 °C, IP 54 housing.

Technical Data

ParameterASD 535ASD 533ASD 532ASD 531
Max. monitoring area5,760 m²1,920 m²1,280 m²720 m²
Max. sampling apertures (EN 54-20 Class C)2 × 120501612
Max. length to last sampling point2 × 110 m80 m70 m40 m
Max. overall pipe length2 × 300 m200 m120 m75 m
Suction pressure> 400 Pa> 400 Pa> 100 Pa> 30 Pa
Noise level (1 m)34 dB(A)34 dB(A)25 dB(A)25 dB(A)
Protection classIP 54 (IP 66 heavy duty)IP 54IP 54IP 54
Dimensions (W × H × D)265 × 348 × 148 mm265 × 348 × 148 mm195 × 290 × 140 mm195 × 290 × 140 mm
Operating temperature-30 to +60 °C-20 to +60 °C-20 to +60 °C-10 to +55 °C
Close operationEasyConfigEasyConfigEasyConfigBasiConfig

Source: Securiton SecuriSmoke ASD 535/533/532/531 product information. Technical changes reserved.

Design & Configuration Tools

ASD PipeFlow

ASD PipeFlow is Securiton's VdS-tested tool for calculating, optimising and documenting sampling-pipe systems. It supports asymmetrical pipe layouts and standards-based calculation.

ASD Config

ASD Config supports commissioning and maintenance of the ASD 535, 533 and 532, while selected models also support simplified local commissioning.