Charging: LEDs and Status
• Charging Mode: Red and green LEDs will alternatingly flash.
Note: Allow about 4 hours for a fully charged battery.
2. When fully charged, the green LED will double flash every 5 seconds.
• Size: 5.1 cm(L) X 3.6 cm(W) X 1.3 cm(D)
2 in.(L) X 1.4 in.(W) X 0.5 in.(D)
• Weight: 17 g (0.6 oz)
• Temp.Operating/storage:-10oC to 50oC
(14oF to 122oF)
• HumidityRange:0-95%;noncondensing
• Accuracy: 3dB
• Alert Level: Flashes Red when>85 dBA
Flashes Green when <85 dBA.
Specifications:
3M Occupational Health and
Environmental SafetyDivision
3M Center Building 0235-02-W-70
St. Paul, MN 55144-1000
Printed in U.S.A.
IMPORTANT: For appropriate use of hearing protection devices,
consult your company’s safety professional, applicable local standards,
or call 3M at 1-800-243-4630.
QUICK START
External port
of NI-100
For more information
In United States, contact:
Website: www.3M.com/OccSafety
Technical Assistance: 1-800-243-4630
For other 3M products: 1-800-3M HELPS
Or 1-651-737-6501
©2009 3M Company
• Battery Type: LI-Poly (Flat cell with
approx. 200 hours of operating before
recharging.
• Battery Life: Approx. 2 years of
charging cycles.
• Charging: a mini-USB cable plugs into
bottom port of device. (Sold separately.)
• Auto-Power Off: the device will
power off after approximately 10 hours.
1. Plug mini-USB
cable from PC to
external port
(bottom) of
NI-100.
3M™ warrants the Noise Indicator NI-100 will be free from defective materials and
workmanship for a period of thirty (30) days from the date of purchase. See website:
www.3m.com/OccSafety for complete warranty.
057-334; Rev.A. 11/09
34-8704-4790-0