407355 Version 2.4 9/07
3
Specifications
Display Multi-function
LCD
Units of measure
dBA
(‘A’ weighted decibels) for sound level
% DOSE
for accumulated noise exposure
Measurement ranges
70 to 140dBA for sound level (SPL) measurements
0.01 to 9999 %DOSE for noise exposure surveys
Standards applied
ANSI S1.25-1991 A-weighting; ISO-1999; BS 6402: 1983
Criterion level
80, 84, 85, and 90dB (selectable)
Threshold level
70 to 90dB in 1dB steps (selectable)
Exchange rate
3, 4, 5, and 6dB (selectable)
High level detector
appears on LCD when measurement exceeds 115dBA
Peak flag
PK
appears on LCD when measurement exceeds 140dBA
Accuracy ±1.5dB
Frequency weighting
‘A’ weighting
Frequency response
31.5Hz to 8 kHz
Response time
F
(FAST) and
S
(SLOW) selectable
Datalogging capacity
8800 sets
Operating Temperature
32 to 122
o
F (0 to 50
o
C)
Operating Humidity
10 to 90% RH
Storage Temperature
14 to 140
o
F (-10 to 60
o
C)
Storage Humidity
10 to 75% RH
Battery power
Four (4) 1.5V ‘AAA’ batteries
Battery life
40 hours (approx.)
Dimensions
4.2
(L)
x 2.4 (W) x 1.3 (H)"
106 (L) x 60 (W) x 34 (H) mm
Weight
Approx. 12.3 oz. (350g) with batteries
Descriptions
Display Description
1.
FAST Response Time mode
2.
SLOW Response Time mode
3.
Noise Exposure test active
4.
Memory mode alert
5.
Noise Exposure test paused
6.
Unit of measure for Noise Exposure test
7.
Battery Status Indicator
8.
Event memory banks (E1-E5)
9.
115dB limit (headphone) indicator
10. Numerical display digits
11. Unit of measure for sound level readings
12. 140dB PEAK indicator
13. Elapsed time mode for noise exposure tests
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