Aktakom ATE-9051 Manual do Utilizador descarregar pdf (Página 4)

Level ranges: LO ： 30dB~80dB Med ：

50dB~100dB

Hi：80dB~130dB

Auto：30dB~130dB

Frequency weighting: A/C

Time weighting: FAST ( 125ms ), SLOW ( 1s )

Microphone: 1/2 inch electret

condenser microphone

Display: 4 digits LCD display with a resolution of

0.1dB

Display Update: 2 times/sec.

MAX hold: Hold the Maximum reading MIN

hold: Hold the Minimum reading HOLD:

Hold the readings

Alarm function: “OVER”is when input is more than

upper limit of range.

“UNDER”is when input is less than upper limit of range.

Analog output : AC/DC outputs from earphone outlet

AC=1Vrms ，DC=10mV/dB

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Aktakom ATE-9051 Manual do Utilizador Página 4