Precautions to be taken when using a sound level meter
Sound level meter is used to measure noise, such as environmental noise, machine noise and so on. The application is also very wide, such as airport noise measurement, workshop noise measurement, school noise measurement, factory noise measurement and so on.
Noise measurement around the school, factory noise measurement and so on. Whether or not a sound level meter is used correctly can have a direct impact on the accuracy of the measurement results.
Before using a sound level meter to measure noise, you need to pay attention to the following points:
First, please read the instruction manual carefully to understand how to use the sound level meter and the precautions.
When installing the battery or external power supply, be sure to pay attention to the positive and negative poles of the battery and do not connect it wrongly. If the sound level meter is not used for a long time, the battery should be removed so as not to damage the sound level meter by leaking liquid from the battery.
The microphone should be prevented from dropping and cannot be disassembled, and should be placed in a dry environment when not in use.
The sound level meter should be avoided to be placed in damp, sewage, high temperature, dusty and chemical gas-containing places to avoid damaging the sound level meter.
V. It is forbidden to disassemble the sound level meter by yourself, if the sound level meter is not working properly, please contact the supplier to solve the problem.
Measuring method of sound level meter:
When measuring the noise, the sound level meter should choose the correct gear according to the measured environmental noise, hold both sides of the meter flatly with both hands, make the microphone point to the measured sound source, or use the extension cable or extension pole, or use the extension cable or extension pole.
Extension cables or poles can also be used to minimize the influence of the meter's external shape and the human body on the noise measurement.
Calibration of sensitivity
To ensure the accuracy of the measurement, the sound level meter should be calibrated before and after use.
