Noise Indicator NI-100

The Noise Indicator NI-100 alerts users to potentially dangerous noise levels, helping identify areas where noise assessment may be needed to determine the need for hearing protection. Users clip the device to a shirt or jacket, and its LED light delivers a clear indicator when noise levels exceed a potentially hazardous threshold. Its small size and lightweight design make it ideal for workers in a variety of industries.
  • Provides a visual "Go/No Go" flashing red or green indication of noise levels above or below 85 dBA, helping you to determine if hearing protection may be needed
  • Simple one-button operation with a rechargeable battery
  • Small and lightweight
  • Clip to lapel or pocket
  • Provides an affordable training tool for helping workers determine when hearing protection may be required
  • Increases awareness of hearing conservation guidelines
  • Can be used as a mapping tool to qualify future noise studies
Size2" (L) x 1.4" (W) x 0.5" (D) / 5.1 cm (L) x 3.6 cm (W) x 1.3 cm (D)
Weight0.6 oz (17 g)
Temperature Operating/Storage-14 to 122°F / -10 to 50°C
Humidity Range0 to 95%; non-condensing
Accuracy3 dB
Alert LevelFlashes red when >85 dBA
Flashes green when <85 dBA
BatteryLi-Poly (flat cell) with approximately 200 hours of operating before recharging

(Note: battery is not certified Intrinsically Safe)
Battery LifeApproximately two years of charging cycles
ChargingA mini-USB cable (sold separately) plugs into bottom of port device
Auto-Power OffThe device will power off after approximately 10 hours

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