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Digital Sound Level Meter
Operating Manual
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Contents
I. Preface…………………………………………………1
II. Safety instructions.........................................................1
III. LCD display introduction........................….....…........1
IV. Functional characteristics description.........…...…......2
V. Specifications ……………………………..…..…........2
VI. Preparations before use .............................…….......... 3
VII. Basic usage methods……………………..…..…..….4
VIII. Calibrate sound level meter………………..……….5
IX. Notes…………………………………..…..………….5
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1
I. Preface
Thank you for using our product.
Please read the operating manual carefully before using the
product.
The Sound Level Meter is an instrument used to measure the
ambient sound level, such as sound level around factories,
workshops, schools, residential, offices, road, audio etc. It
also can be appropriate for noise engineering, product
quality control, health prevention and treatment, etc.
II. Safety instructions
Please use according to each specification of sound level
meter.
Operating environment:
● Elevation <2000 m
● Relative humidity (RH) ≦80%RH
● Operating temperature 0 - 40°C
Storage and maintenance: Do not use alcohol or other
solvents to clean the meter. If it is not to be used for long
time, remove batteries and keep the meter in a dry and clean
environment.
Safety symbols:
Dual protection is used for the meter.
Comply with CE safety standard.
III. LCD display introduction