In environments where workers wear hearing PPE or ambient noise exceeds 95 dB, an audio-only hooter is insufficient. Combined audio-visual alarms give significantly better response rates.
IS 3177 for crane safety and IS 13947 for machine guarding both recognise that combined audio-visual alarms provide significantly better worker response rates in industrial environments with high ambient noise or where hearing PPE is worn.
Combined LED strobe light and hooter in single unit. For noisy machine bays where hearing PPE is worn. 90 dB hooter + 15–30 candela strobe.
High-visibility LED revolving beacon. Visible from 50+ metres. Available with or without integrated hooter. Red, amber, green, blue.
1 to 5 tier signal stack light. Machine status at a glance — Andon light for shopfloor visibility. Optional buzzer module.
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