Default to " Fast " time wei
characteristics.
* " Fast time wei
" is simulated the
human ear response character.
Accuracy Characteristics of " A " frequency
network meet IEC 61672
class 2.
Under 94 dB input si
nal, the accuracy
are :
31.5 Hz ± 3.5 dB
63 Hz ± 2.5 dB
125 Hz ± 2.0 dB
250 Hz ± 1.9 dB
500 Hz ± 1.9 dB
1
he above spec. are tested under th
environment RF Field Strength less tha
3 V/M & frequency less than 30 MH
only.
Calibrator B & K (Bruel & k
aer), multi-fuction
acoustic calibrator, model : 4226.
Microphone Electric condenser microphone.
Size of microphone 1/2 inch standard size.
Calibration VR Build in external calibration VR, easy to
calibrate on 94 dB level by screw driver.
Data Hold Hold function to freeze the display value.
Operatin
Temp. 0 to 50 ( 32 to 122 ).℃℉
Operatin
Humidity Less than 80% RH.
Power Supply
Alkaline or Heavy duty type, 9V d.c.
006 P, MN1604(PP3) or equivalent.
Power Consumption Approx. DC 6 mA.
Dimension 250 x 70 x 28 mm ( 9.9 x 2.8 x 1.1 inch ).
Wei
battery ).
Standard Instruction Manual ...................... 1 PC.
Accessories
Optional 94 dB Sound Calibrator,
Accessories Model : SC-941, SC-942.
Hard carryin
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