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5. Overview
General: refer to the Figure 1 and Figure 2 on page 2 of this manual.
A windscreen
B LCD display
C record start/stop button
D setup button
E mode select button
F signal weighing select button
G max/min capture button
H range/level select button
I power on/off button
LCD-display: refer to Figure 3 on page 2 of this manual.
1
UNDER
2
OVER
3
MAX
4
MIN
5
FAST
6
SLOW
7
88
8
188
9
bar graph
10
DATE
11
18:88:88
12
TIME
13
188.8
14
15
16
REC
17
FULL
18
dBA
19
dBC
20
AUTO
21
HOLD
6. Operation
General
•
Slide the windscreen [A] over the pick-up element [O] to avoid erroneous measurements due to
strong winds.
•
Switch the sound meter on by pressing the power on/off button [I].
•
Select the sound pressure range with the range/level select button [H]. Ranges are indicated on
the display [7], [8] and [20]. The bar graph [9] scale depends on the selected range.
•
When the
UNDER
range. Select an appropriate range.
00 (04/11/2008)
the current measurement is below the selected range
the current measurement is above the selected range
the maximum noise level is being measured
the minimum noise level is being measured
fast measurement mode, measurement every 125ms
slow measurement mode, measurement every 1s
range indicator, lower limit
range indicator, lower limit
scale depends on selected range (low, medium, high, auto)
only displayed during setup
shows time during normal operation, shows set-up codes during set-up
indicates time display
measured sound level
auto-power off mode enabled
low battery indication, replace battery
datalogger enabled, data is being stored
datalogger memory is full, connect meter to PC to save/clear memory
A-weighted mode
C-weighted mode
automatic range selection
hold mode, displayed value frozen
[7]
30
50
80
30
[1] or
OVER
[2] indication appears, the measurement is outside the selected
DVM8852
J hold button
K backlight button
L external 9VDC jack
M USB mini-B connector
N AC/DC output jack
O pick-up element
P tripod mounting hole
Q battery cover
[8]
range
80
low
100
medium
130
high
130
auto range
5
®
Velleman
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