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SDi SOLO 424 Corded Heat Detector Tester

by SDI
Sold out
Original price $1,257.00 - Original price $1,257.00
Original price
$1,257.00 - $1,257.00
Current price $1,257.00

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SDi SOLO 424 Corded Heat Detector Tester

The Solo 423/424 corded heat detector tester is lightweight, simple-to-use, and features a universal design to suit a wide range of detectors. 

The Solo 423/424 features some of the quickest detector activation times and features a 16-foot cable for additional range of motion. This detector tester is suitable for fixed temperature, rate-of-rise, and combination detectors.

The 423/424 is the professionals’ choice where cables and leads are acceptable. Unconstrained by energy availability they provide the quickest of test times and are, perhaps, most suitable for the highest temperature detectors.


  • Quickest activation times
  • Lightweight and simple to use
  • Suits fixed temperature, rate-of-rise and combination detectors up to 194°F / 90°C
  • Universal design suits widest range of detectors
  • Supplied with 16ft / 5m cable (additional 16ft / 5m cable available available)
  • Designed for use at height, at angles and low level
  • Solo 424 for 220/240 volt

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