SD125 Ex Sounder: Safety and Reliability in Hazardous Zones
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Ex-Tech Signalling Solutions · Authorised partner

SD125 Ex Sounder: Safety and Reliability in Hazardous Zones

The SD125-1 Ex sounder is a high-performance alarm engineered for use in explosive atmospheres.

Certification & ratingVerified
Noise LevelUp to 115 dB @ 1m
Tone Options59 pre-recorded, 3 selectable
Power Consumption5-25W (factory: 20W)
Construction316L Stainless Steel
  • Genuine certified equipment sourced directly through Daly Middle East.
  • Full manufacturer support and warranty.
Overview

About this product

Built for the job

Key features

ATEX/IECEx certified, SIL2 compliant flameproof sounder

Up to 115dB noise level at 1 metre

Up to 59 pre-recorded tones, with 3 selectable via user control system

316L stainless steel construction for corrosive and hazardous environments

Adjustable power consumption from 5W to 25W (factory set to 20W)

External switch pause control for the alarm signal

Certified ATEX Zone 1 & 2 (gas) and Zone 21 & 22 (dust)

Noise LevelUp to 115 dB @ 1m
Tone Options59 pre-recorded, 3 selectable
Power Consumption5-25W (factory: 20W)
Construction316L Stainless Steel
Hazardous RatingZone 1 & 2 (gas), Zone 21 & 22 (dust)
Documentation

Manufacturer datasheet

Full technical and certification data as published by Ex-Tech Signalling Solutions.

Extech-SD-125-datasheet-1.pdfPDF
Product FAQ

Frequently asked

How loud is the SD125 sounder?
Up to 115 decibels at 1 metre, loud enough to cut through noisy industrial environments.
How many alarm tones are available?
59 pre-recorded tones, with up to 3 selectable via the user control system.
What hazardous locations is it rated for?
ATEX and IECEx certified for Zone 1 & 2 gas and Zone 21 & 22 dust.