Respond in Time with Warning Signals


Emitting both sound and flashing lights, Tonelight Series of warning indicators are desirable in environmental conditions with high levels of ambient noise.


All Tonelight units provide distinct audio/visual warnings with flashing LED lights and repetitive audio alerts.  The sound and light alert signals can be emitted simultaneously or separately.  In addition, Tonelight allows the audible alert signal to be delayed, allowing workers to have time to respond to visual alerts before the audible beeping begins. This feature is ideally suited where excess noise is either undesirable or hard to detect. 


The Tonelight indicators are ideal for potentially serious events where both audio and visual warnings are needed.  Typical applications for Tonelight include:

  • Alarms of all types
  • Low-voltage
  • Low-pressure
  • High-radiation
  • Tank Level
  • Cycle Status
  • Dangerous Condition
  • High-temperature
  • Liquid Detector


Several Tonelight models are available with either plastic housings or stainless steel housings for use in harsh environments.  These models are sealed and IP50 rated.  Beepers emit at ≥ 80 dB.  Lens color options include red, green, yellow, orange, blue, and white.  These warning indicators utilize standard 22 mm panel mounting.   The voltage operation for the series spans AC and DC: 6 V, 12 V, 24 V, 48 V and 110 V.  Another Tonelight model features a light and siren annunciator combination with a standard lens color of red and the siren operates at 110 dB ± 3 dB.


  • ​voltage operation: 6 V, 12 V, 24 V, 48 V and 110 V
  • 22 mm panel mounting
  • beepers emit at ≥ 80 dB
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