Setting of multi-functional sound level meter frequency weighting
Under the setting interface of the multifunctional sound level meter, you can move the cursor to "weighting" and press the parameter key to change the frequency weighting and time weighting. Each time the instrument is turned on or reset, it always assumes that the statistical decomposition of the sound pressure level of A and F is performed. Before starting the statistical decomposition, the user can change the statistical decomposition of other frequency or time weighting.
Setting of multifunctional sound level meter storage form
To keep the statistical distribution map of the multifunctional sound level meter, you can enter the setting interface, move the cursor to storage, and press the parameter key to choose whether to keep the statistical distribution map. Select “No graph”, the statistical distribution graph will not be retained at the end of the measurement, only the statistical decomposition data will be saved, and the instrument can retain more than 1024 sets of data; when “with graph” is selected, the statistical decomposition data and statistical distribution graph will be retained at the end of the measurement. The instrument can retain more than 256 sets of data.
Multifunction sound level meter start delay
When the user is measuring very little noise, in order to prevent the sound of the keys from affecting the integral measurement result, the start delay time can be set. Enter the setting interface, move the cursor to "Startup Delay", and press the parameter key to adjust the startup delay between 0 and 9. 0 means to start the integration immediately after pressing the start key, and 9 to perform the integration measurement after a delay of 9 seconds.
Multi-performance sound level meter LCD display contrast illumination adjustment
When the contrast of the LCD display is too large or too small, you can adjust it by pressing the parameter key in the main menu, or enter the parameter setting menu, move the cursor to "Contrast", and press the parameter key to adjust.
Multi-function sound level meter SMS settings
When the user is equipped with a GSM wireless data transmission module and wants to transfer the measurement data to the designated mobile phone, he can enter the setting interface, move the cursor to "SMS Send" and set the parameter key to ON, and then move the cursor to "Num0" , Press the OK key to enter the output interface, as follows: press the display prompts to enter the purpose of sending the short message.
2.Single measurement of multifunctional sound level meter noise
Set the measurement time in the parameter setting interface according to the specifications. According to the need to set the statistical weighting, storage, printing, SMS sending, startup mode and other parameters, enter the measurement menu and press the start / pause key to perform the measurement. Now, the status display line of the instrument prompts "Start". After the instrument starts measuring, all measurement indexes are calculated at the same time. The user can switch between different display forms and contents without affecting the measurement. If you want to pause the measurement during the measurement process, you can press the start / pause key again. The status display line of the instrument prompts “pause”. At this time, the instrument pauses the statistical decomposition and integration measurement, and updates the statistical sound level and equivalent sound level. Will still change with environmental noise. If you want to stop the measurement and keep the current measurement data, you can press the output key; if you want to stop the measurement and delete the current measurement data, you can press the delete key; if you want to continue the measurement, you can press the start / pause key again.
Under the setting interface of the multifunctional sound level meter, you can move the cursor to "weighting" and press the parameter key to change the frequency weighting and time weighting. Each time the instrument is turned on or reset, it always assumes that the statistical decomposition of the sound pressure level of A and F is performed. Before starting the statistical decomposition, the user can change the statistical decomposition of other frequency or time weighting.
Setting of multifunctional sound level meter storage form
To keep the statistical distribution map of the multifunctional sound level meter, you can enter the setting interface, move the cursor to storage, and press the parameter key to choose whether to keep the statistical distribution map. Select “No graph”, the statistical distribution graph will not be retained at the end of the measurement, only the statistical decomposition data will be saved, and the instrument can retain more than 1024 sets of data; when “with graph” is selected, the statistical decomposition data and statistical distribution graph will be retained at the end of the measurement. The instrument can retain more than 256 sets of data.
Multifunction sound level meter start delay
When the user is measuring very little noise, in order to prevent the sound of the keys from affecting the integral measurement result, the start delay time can be set. Enter the setting interface, move the cursor to "Startup Delay", and press the parameter key to adjust the startup delay between 0 and 9. 0 means to start the integration immediately after pressing the start key, and 9 to perform the integration measurement after a delay of 9 seconds.
Multi-performance sound level meter LCD display contrast illumination adjustment
When the contrast of the LCD display is too large or too small, you can adjust it by pressing the parameter key in the main menu, or enter the parameter setting menu, move the cursor to "Contrast", and press the parameter key to adjust.
Multi-function sound level meter SMS settings
When the user is equipped with a GSM wireless data transmission module and wants to transfer the measurement data to the designated mobile phone, he can enter the setting interface, move the cursor to "SMS Send" and set the parameter key to ON, and then move the cursor to "Num0" , Press the OK key to enter the output interface, as follows: press the display prompts to enter the purpose of sending the short message.
2.Single measurement of multifunctional sound level meter noise
Set the measurement time in the parameter setting interface according to the specifications. According to the need to set the statistical weighting, storage, printing, SMS sending, startup mode and other parameters, enter the measurement menu and press the start / pause key to perform the measurement. Now, the status display line of the instrument prompts "Start". After the instrument starts measuring, all measurement indexes are calculated at the same time. The user can switch between different display forms and contents without affecting the measurement. If you want to pause the measurement during the measurement process, you can press the start / pause key again. The status display line of the instrument prompts “pause”. At this time, the instrument pauses the statistical decomposition and integration measurement, and updates the statistical sound level and equivalent sound level. Will still change with environmental noise. If you want to stop the measurement and keep the current measurement data, you can press the output key; if you want to stop the measurement and delete the current measurement data, you can press the delete key; if you want to continue the measurement, you can press the start / pause key again.