3M SD-200 Schnellstart
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3M
Sound Detector SD-200
TM
Measuring Sound Pressure Level (SPL)
1. Place windscreen over microphone (if not attached)
2. Power on
• If present, charge the instrument prior to measuring.
3. Select desired weighting and/or response time. (See diagram #5 and #9.)
4. Position the SD-200 microphone so it is angled about 70 degrees from the noise source.
5. Measures: when first powered on, the current SPL will be displayed or the last viewed parameter.
• For integrated measurements, press the Run/Stop
will provide steadier values over a period of time until values become more stable.)
• To view measurements, repeatedly press the Mode
• Press Run/Stop
6. Power off by pressing and holding the
3
9
the SD-200 and check that the battery indicator
key to Stop measuring.
Display and Keys
1. LEDs: Used in the LED Alert
1
2. Screen indicators:
3. Measurement type (SPL, L
2
• Note: No indicator signifies SPL
4
4. Measurement value
5. F/S (Fast/Slow time response) key
5
6. Mode key (cycles through measurement screens)
6
7. Run/Stop key for averaging values (L
8. Power On/Off key
7
8
9. A/C frequency weighting key
key. (Unlike SPL, the L
key. (
key until it turns off (while not in run mode).
measurement screen
Slow time response & A frequency weighting (S, A is a common setting)
/L
, LED Alert
EQ
AVG
L
, MAX, MIN, LED Alert
EQ/
AVG
is not present.
/L
EQ
AVG
This cycles through the measurements.)
, MAX, MIN, Run-Time
)
, Run-Time
values
)