Elma 1350B
side 10
Name and Functions
1. Windscreen
If you operate at wind speed over
10m/sec, please put protective
accessories in front of the
microphone.
2. Display
3. Power Button
The key (3) turns the sound level meter ON or OFF.
4. MAX / MIN Hold button
Press button to enter the maximum and minimum recording mode. Select the
proper Level range before using MAX/MIN to ensure that reading value will not exceed the
measurement range. Press once to select MAX value. Press again to select MIN value,
and press again to select current Value with “ MAX MIN ” annunciator blinking.
Press and hold down button for 2 seconds to exit the MAX/MIN mode.
Note: If change sound level range or change A-C weight, the MAX.MIN mode will
clear.
5. Frequency Weighting Select Button
A: A - Weighting. for general sound level measurements.
C:
C - Weighting. for checking the low-frequency content of noise.
( If the C-Weighted level is much higher than the A-weighted level, then there is a large
amount of low-frequency noise )
6. Time Weighting Select Button.
FAST : for normal measurements
SLOW : for checking average level of fluctuating noise.
MAX
A / C
LEVEL
FAST
SLOW
130 dB
80 dB
100 dB
Lo =
Hi =
Med=
32
80
50
IEC 651 TYPE II
MIN
C
A
L
O
U
T
P
U
T
OPEN
TERY
NEDA 1604 6F22 006P
9V BAT
4
7
5
6
3
2
10
11
9
8
1
Low battery indication
Minmum indication
Maximum indication
Over range
Fast response
Sound Level readout
Range Indicate
C-Weighting
A-Weighting
Slow response
Under range
MAX
MIN
MAX
MIN
