You may have noticed the noise level floating on the display next to the entrance to the construction site.

By the way, it is not known which equipment the number is measured and which route it takes to the screen.

Ace Development's noise display consists of a noise sensor directly manufactured by Ace Development, a wireless communication unit, a display board, and a monitoring platform.

In this article, we have organized the measurement process behind a line of dB numbers.

What equipment will an ace-developed noise display be made of?

The ace development environmental monitoring system consists of four stages: a sensor unit, a wireless communication unit, a light display unit, and a monitoring unit. It is easy to understand that the

noise display is centered around the noise sensor and the display. The value measured by the

sensor is transmitted to the server via the LTE base station via a homegrown radio communication module (LTE Cat.1). The data gathered on the

server is displayed on the on-site display and at the same time can be viewed on the PC web and mobile app. What can the

noise sensor be based on? The

Ace-developed noise sensor is a product with type approval NESM-201 for environmental measurement devices.

According to published specifications, the measurement range is 30-130 dB (Auto Range), 35-130 dB on a C-weighted basis, with a resolution of 0.1 dB and an accuracy of ± 1.5 dB.

frequency ranges from 31.5 Hz to 8 kHz, using a 1/2-inch electret condenser microphone.

measurements are transmitted every 30 seconds. When comparing

displays, it is easy to see only the size or brightness of the screen, but it is important to check together whether the sensors that make the numbers are type-approved.

Leq and Max, the numbers on the screen are different The

Ace-developed noise sensor features SPL, SEL, Leq, Max, Min, and Peak Hold measurements.

names look similar but have different meanings.

SPL is the volume of sound at this moment, Max and Min are the maximum and minimum values for a set period of time.

Leq is an equivalent noise level that averages up and down sounds based on energy over a period of time, and SEL is the energy of a single sound converted to 1 second.

Peak Hold captures the highest value on the screen. The moment the

breaker rings once and the equipment noise throughout the morning may be different even if it is displayed in the same dB.

So, in the field, it is recommended to first decide what value to put on the display and what value to keep as a record.

A-weighted and C-weighted, why can I choose the reaction rate

noise sensor supports two frequency-weighted characteristics: A and C.

In general, A weighting is a close correction of how the human ear feels sound, and C weighting is a relatively even reflection of the lower frequency.

Response Time Fast (125 ms), Slow (1 sec) or Impulse (35 ms).

The direction of set-up may vary depending on whether it is a process with a lot of short, sharp sounds or a process with a lot of constant equipment sounds. During the

installation consultation, explain the on-site process together to guide you through a more appropriate configuration.

measurements how TO get TO the display and the mobile phone

display plate displays the measurements in real time and automatically shows the color and warning messages together when the danger phase is reached.

monitoring unit consists of PC web (Chrome recommended) and Android app SENSO-LINK.

You can check the sensor location on the map, view data by time and date, and download it as an Excel file.

threshold, you can operate to receive notifications by mobile push, SMS, or email.

operator is a display that allows managers to view the same data on office PCs and mobile phones.

What should I decide before the introduction of

The first is the installation location. The

noise sensor takes into account the source of the noise and the measurement points to be identified, and it is recommended that the display panel be selected where it is easy for the operator and passer-by to see.

The second is the power condition. The

display panel is split between a signage type, an implant type, a pole type, and a battery-operated mobile type, which can be selected according to the on-site electrical situation.

The third item to watch together.

fine dust, vibration, and NO ₂ sensors can also be linked to the same system, allowing the necessary items to be combined and configured.

is the applicable standard.

The standard of noise in the construction site varies depending on the area, time of day, and construction conditions, so you should check the standards of the competent authority, not just the instantaneous figures on the display.

Frequently Asked Questions

Can I view the numbers displayed on the display as legal measurements?

The display figures are real-time information for site management.

The legal judgment is based on established measurement methods and criteria, so it is accurate to check the guidance of the competent authority.

Can I still use it outdoors when it gets cold?

The published noise sensor has a working temperature of 0-40°C, 10-90% RH and a storage temperature of -10-60°C.

It is recommended that the installation method during low temperatures informs the site conditions and is consulted.

Can I keep my past records on file?

PC You can download it as a CSV or XLS file by specifying the time period on the web.

Finishing

NoiseThe number of the signage can only be used in the field after sensor communication, server and screen are connected. The

ace-developed noise display is worth a look at as the site is trying to establish the flow of measuring and recording noise for the first time, as a company connects from type-approved noise sensors to display panels and monitoring platforms. The

quotation and installation consultation can be contacted by calling 032-652-9243.

Ace Development Noise Sensor View Product Information

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# Ace Development # Ace Development Noise Signage # Noise Signage # Noise Sensor # Type Approval Noise Meter # Equivalent Noise Level # Construction Site Noise Management # Construction Site Noise Measurement # Environmental Monitoring System # Bucheon IoT Company