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6. TECHNICAL CHARACTERISTICS
Applicable standards:
IEC61672-1 Class 2, ANSI S1.4 Type 2.
Frequency range:
20Hz~8KHz
Measurement levels range:
30~130dB
Frequency weightings:
A/C
Microphone:
½" electret microphone
Display:
Liquid-crystal screen
Display of numbers:
4 digits
Resolution:
0.1dB
Screen refresh:
0.5s
Analog display:
50-segment bargraph
Resolution:
2dB
Screen refresh:
50ms
Time weighting:
F (125ms), S (1s)
Accuracy:
±1.0dB (under the 94dB, 1KHz reference conditions)
Dynamic range:
100dB
Alarm function:
"OVER" when the input is above the upper limit of the range.
"UNDER" when the input is below the lower limit.
Data recording capacity:
64,000 records
AC output:
1 Vrms FS (full-scale).
DC output:
10mV/dB
Power supply:
Four IEC LR6P batteries (AA format)
Battery life:
Approx. 60 hours (alkaline batteries)
Power consumption:
Approx. 0.2W
External power supply:
5 VDC (micro USB connector)
Operating temperature:
0 to 40°C (32 to 104°F)
Operating relative humidity:
10 to 90% RH
Storage temperature:
-10 to 60 °C (14 to 140 °F)
Storage relative humidity:
10 to 75 % RH
Dimensions:
262(L)×75(W)×39(T) mm; 10.3(L)× 2.9(W)× 1.5(T) inches
Weight:
390g (with batteries)
