Major tech MT975 Buku Petunjuk - Halaman 13

Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Alat Ukur Major tech MT975. Major tech MT975 16 halaman. Sound level meter

MEASUREMENT PREPARATION

① Remove the battery cover on the back and insert

one 9V battery.

② Replace the back cover.

③ The

when the battery voltage drops below the operating

voltage and once the battery is flat.

④ When the AC adapter is used, insert the plug of the

adapter （3.5φ） into the DC 9V connector on the

side panel.

① Switch on the meter.

② Press the 'LEVEL' button to select the desired level,

based on 'UNDER' or 'OVER' do not appear on the

LCD.

③ Select 'dBA' for general noise sound level and 'dBC'

or measuring sound level of acoustic material.

④ Select 'FAST' for instant sound and 'SLOW' for

average sound level.

⑤ Select 'MAX/MIN' button for measuring maximum

and minimum noise level.

⑥ Hold the instrument comfortably in your hand or fix

it to a tripod and measure sound level at a distance

of 1~1.5 meter.

8. NOTICE

i. Do not store or operate the instrument at ahigh

temperature and high humidity environment.

ii. When not in use for long time, remove the

symbol will appear on the LCD screen