8 This field indicates the level of battery power in the pulse oximeter When battery power is low the icon will be empty and turn to red 9 Bluetooth transmission indicator 10 Brightness level indicator NOTE The illustrations used in this manual may differ slightly from the appearance of the actual product 1 5
Get PriceSound Intensity Levels and Intensities The decibel level of a sound having the threshold intensity of 10 −12 W/m 2 is β = 0 dB because log 10 1 = 0 That is the threshold of hearing is 0 decibels Table 1 gives levels in decibels and intensities in watts per meter squared for some familiar sounds
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