Major tech MT975 Manuale di istruzioni - Pagina 3

Sfoglia online o scarica il pdf Manuale di istruzioni per Strumenti di misura Major tech MT975. Major tech MT975 16. Sound level meter

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Under range display

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A & C Weighting

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FAST & SLOW response

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Analog AC/DC outputs for connection to frequency

analyzer or X-Y shaft recorder

3. SPECIFICATION

Standard applied: IEC61672 -1 CLASS2

Accuracy:±1.4dB

Frequency range:31.5HZ ~ 8KHZ

Dynamic range:50dB

Memory:32700

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

Analog output: AC/DC outputs from earphone outlet

limit of range."UNDER"is when input is

less than lower limit of range.

AC=1Vrms ,DC=10mV/dB