5
is available to use (model 735).
○
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 ex ceed t he measurement range. P ress once to s elect MA X v alue. P ress
again to select MIN value, and press again to select current value with “ MAX
MIN “ annunciator will begin to blink.
Press and hold down button for 2 seconds to exit the MAX MIN mode.
Note:
If you change s ound l evel r ange or c hange A-C weight, t he M AX.MIN
mode will clear.
○
5
Record Datalogger button (model 735)
When you press the button, the meter will begin recording. The “REC”
annunciator will be displayed, press again and it will stop recording.
○
6
Frequency Weighting select button
A: A - Weighting. Used for general sound level measurements.
C: C - Weighting. Used 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)
○
7
Time weighting select button
FAST: for normal measurements
SLOW: for checking average level of fluctuating noise.
○
8
Level range control button
Each time you press the button, the level range will change between “Lo”
level, “Med” level, “Hi” level and “Auto” level.
○
9
Microphone
1/2 inch Electret Condenser microphone
○
10
CAL potentiometer
Is used for calibration adjustment.
○
11
RS-232 Interface:
The RS-232 signal output is a 9600 bps N 8 1 serial interface.
www.
GlobalTestSupply
.com
Find Quality Products Online at:
