2
3. FEATURES
(1)
Measures personal accumulated noise exposure in a period
with the unit of % noise dose.
(2)
70
〜
140 dBA sound level measurement.
(3)
Accurate, easy to use and understand.
4. SPECIFICATION
Standard applied :
ANSI S1.25-1991 A-weighting
ISO-1999
BS 6402: 1983
Microphone:
1/2 inch electret condenser
microphone, 31-inch cable.
Display :
Liquid Crystal Display
Noise DOSE Range: .01 to 9999 % DOSE
Criterion Level:
Selectable 80 , 84 , 85 , 90dB
Threshold Level:
Selectable 70
〜
90dB, 1dB step
Exchange Rate:
Selectable 3 , 4 , 5 , 6dB
High Level Detector:
115dBA
Peak Flag:
140dBA
