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Nap Alarm

Supplier From China
Nov-02-09

Specification
1. Press on/off button in í¦oní¦ position .
2. Test that is is working properly by tilting it forward, if it vibrates/sounds then it is a working state.
3. Place behind your right ear and adjust, it should be placed correctly for effectiveness.Your head should not nod more than 15-20 degrees (the less the better) , before it vibrates/sounds.
4. When the dvice is no longer required keep in OFF position .
5. For the protection of the device place back in its pouch and store with care out of direct sunlight and humidity, keep out of reach of children .

Use in area :
1 : Stop, revive, Survive! Nap alarm gives instant warning if you nod off to sleep while driving.
2. Ever fallen asleep in a lecture? Nap alarm will gently and silently wae you up .
3.Excessive tiredness causes avoidable workplace injuries. Nap alarm will alert you if your head tilts forward in sleep .

Batteriesú¦ 3*1.5V button batteries
Colorsú¦Black
Type: Vibration , sound
Angle of the protectionú¦15íp~20íp
Product sizeú¦76*53*15mm
Certificate : CE FCC ROHS.


Carton size : 65.1x43.48.6 cm
Boxes/ctn : 4 boxes/ctn
Quantity /box : 250 pieces
Qty /ctn : 1000 pieces
N.w /G.w : 18.5 kg /22.8 kg.

Price and Minimum Quantity

Price: $0.8 - $1.2
MOQ: Not Specified

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Target gases and concentration

GasesDetection range
MethaneCh40.05 - 5% (0.05 - 2%)
EthaneC2h60.05 - 3.2% (0.05 - 1.5%)
HydrogenH20.05 - 4% (0.05 - 1.5%)
HydrocarbonsCnh2n+21 - 100%lel (1 - 50%lel)
( )is a detection range in high accuracy




Gas sensitivity characteristics

Gas & concentrationOutput voltage
Output in clean air-35 - +35 mv
Methane 3, 000 ppm10 - 16 mv
Hydrogen 1, 400 ppm7 - 12 mv
Ethanol 1 %Less than 10 mv

Ratings

ItemsRatings
Supply voltageDc 2.5±0.25v
Ac 2.5±0.25v(r.M.S. 50-60hz)
Current (2.5v supplied)Dc 150 - 170ma
Ac 150 - 170ma(r.M.S. 50-60hz)
Ambient temperatureIn operation -10 - +50°c
In storage -10 - +50°c
Ambient humidityIn operation 95%rh or less
In storage 99%rh or less(no dew condensation)

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