用户手册

User Manual

SW-525A/SW-525B/SW-525C/SW-525D/SW-525G

Sound Level Meter

壁挂式噪音计

中 文

English

01~11

12~24

用 户 须 知

产品执行标准：GB/T 3785-2010

本手册详细介绍了产品的使用方法、注意事项以

及相关事项，在使用产品之前，请详细阅读手册，

以便发挥产品的最佳效能。

不要在易燃、易爆的环境中使用仪器。

报废的仪器不可与生活垃圾一同处理，请按国家

或者当地的相关法律规定处理。

仪器出现任何的质量问题，或对使用仪器有任何

疑问时，请及时联系当地经销商或深达威厂家，

我们将第一时间为您解决。

感谢您购买 噪音计系列产品！

- 01 -

请按下列清单认真检查仪器所有附件是否完整。如不完整，

请及时联系经销商或深达威厂家。

本仪器主要用来测定环境噪声、做噪音工程、品质控制以

及健康防治等。如用于工厂、办公室、交通道路、音响、

家庭以及空调、冰箱等等各种场合之噪音量测量用。

一、 使用之前

1. 精度：±1.5dB （以标准声源为准，94dB@1KHz）。

2. 测量范围：30 ~ 130 dB。

3. 频率响应范围：31.5 Hz ~ 8.5 KHz。

4. 频率计权：A（环境噪音）计权。

5. 时间响应：FAST（快）。

6. 可通过USB与电脑通信、具有下载记录、实时采样、打印

图表和数据等功能（仅525B/525C/525D/525G有）

壁挂式噪音计 台 1

USB连接线 条 1

4

说明书 1

保修卡 1

本

张

装箱清单

简介

特点和功能

序号 名称 单位 数量 备注

1

2

3

- 02 -

- 03 -

各部分部件名称

1. 挂钩

2. USB电压插口

3. 报警开关指示灯

4. 电容麦克风传感器

5. 3个3.0数码管显示，用于显示噪音值。

6. 报警输出口，用于外接喇叭，本产品出厂不配喇叭，

请用户自行选购，推荐用户使用3.5mm二节或三节耳机

插头的6-12V报警喇叭，示意图:

7

3 5

1

1 4

2

6

7.按键：

电源开关键

下键

上键

报警开关

设置键

短按一下开机，长按关机

短按设置报警开关，长按进入设置

设置时，短按增大设置值，长按

可连续调整

设置时，短按减小设置值，长按

可连续调整

按键 名称 说明

- 04 -

注意事项

不要在高温，高湿度的环境下使用。

不要在带有腐蚀性物质附近使用。

不要在可能被水溅湿的环境下使用。

不要在粉尘大的环境下使用。

不要在带有化学气体的环境中使用。

技术参数

±1.5dB(以标准声源为准，94dB@1KHz)

A权

FAST(快)

0~40°C, 10%~80%RH

-10~60°C, 10%~70%RH

6mm电容式麦克风

通过USB线与电脑通信

31.5 Hz~8.5 KHz

30~130dB

精度

项目 SW-525A SW-525B SW-525C SW-525D SW-525G

频率响应

测量范围

频率计权

响应时间

麦克风

数位显示 3位数

×

×

228x125.5x32mm

解析度

报警提示(声音+显示)

0.1dB(<100dB) 1dB(>100dB)

DC5V 1A Type-C USB接口

工作温湿度

报警输出

存储功能

储存温湿度

尺寸

2秒/笔，可存一年

红显 白显 红显 绿显

内置备用锂电池 × 4000mAh 3.7V锂电池

- 05 -

供电方式

与电脑通信

显示

仪器报警

1.报警开关

默认开启报警功能。短按 键关闭报警，红色灯熄灭；

再短按 键开启报警，红色灯点亮。仪器出厂默认报

警开,报警开关设置后，将会保存，下次开机将会以上次设

置的值开机。

仪器开机

二、仪器使用

开关机：短按 键开机，长按 键关机；

自动开机功能：产品上电会自动开机。当手动按

键关机之后，须断电2分钟以上，再上电才会自动开机。

仪器开机后，等待2秒进入测量状态，屏幕显示噪音

读数值

- 06 -

3.报警功能(声音+显示)

当仪器的测量值超过设置的报警值时，仪器会发出“滴

滴滴滴”的报警声，并且锁定测量数据，闪烁显示测量

值。仪器报警持续时间为2分钟，2分钟结束后或者短按

任意按键，仪器停止声响，屏幕不闪烁，但仍锁定数据，

等待5秒后，仪器恢复正常测量。注: 若仪器恢复正常测

量后，测得的第一笔数据仍超过报警值，仪器会又一次

进入报警。

仪器出厂默认报警值为130dB。用户可以自行调整，操作

如下：（报警值可调范围：50~130dB）

1﹥正常测量状态下，长按 键，进入报警设置，此

时屏幕显示当前报警值，红色灯闪烁；

2﹥通过 键调整报警值大小，长按 键可连续调

整；

3﹥短按 键保存报警值，或者短按电源键取消设置

返回测量状态。注：短按 键会进入报警时间

设置，用户此时可通过短按 键返回测量状态。

2.设置报警值

- 07 -

4.报警时间和声音大小设置

仪器出厂默认报警2分钟，声音为3档。用户可自行调整，

报警时间可调范围为:6s～120s，报警声音大小分3个等级

1～3，3为最大声音。具体操作请参考《系统设置》。

仪器每2s自动存储一次数据，存储的值为2s中最大的噪音

值。仪器可连续存储一年时间，一年时间到后，仪器自动

清空半年前的数据。用户可通过电脑软件导出记录。

存储数据(仅525B/525C/525D/525G有)

系统设置

报警值设置

清除记录(仅525B/525C/525D/525G有)

在关机状态下，按住 键和 键开机，等待仪

器开机并显示 ，再松开这两个按键。此时，需要

等待 消失，并开始显示噪音数值时，记录即清空。

报警时间设置 报警声音设置

- 08 -

年设置 月设置

日设置 小时设置

分钟设置 秒设置

系统设置参数包括：报警值、报警时间、报警类型、年、

月、日、时、分、秒。通过长按 键进入系统设置

的报警值设置(报警设置可参考<仪器报警>)，系统设置操

作如下：

1﹥通过 键调整参数，长按可连续调整；

2﹥短按 键保存参数，并进入下一个参数设置(参

数设置顺序：报警值->报警时间->报警类型->年->月-

>日->时->分->秒)；

3﹥若用户不想保存参数，可短按 键返回正常测量。

注：仅525B/525C/525D/525G有年/月/日/时/分/秒设置

- 09 -

仪器保养

1、机壳的清洁

酒精、稀释液等对机壳尤其是视窗有腐蚀作用，故清洗时，

用较干的湿布轻轻擦拭即可。

2、无法与电脑通信

（1）USB数据线损坏：更换USB数据线。

（2）电脑接口损坏：更换USB接口。

（3）不是Windows系统：请使用Windows系统的电脑(Xp,

Win7,Win8,Win10)。

（4）仪器USB接口损坏：返厂维修。

1、显示器无显示

（1）没有按电源键开机。

（2）USB连接线损坏：更换USB连接线。

（3）电源适配器损坏：更换电源适配器。

三、其它

常见问题

连接电脑(仅525B/525C/525D/525G有)

仪器提供电脑应用程序，可通过USB与电脑通信、下载记

录、实时采样、打印图表和数据等。软件包为

NoiseMeter.rar文件，解压后，打开安装和使用说明文件

夹，用户在使用前，请仔细参阅《安装和使用说明》。

- 10 -

附录A 音量参考

很静、几乎感觉不到；

安静、犹如轻声絮语；

一般、普通室内谈话；

吵闹、有损神经；

很吵、神经细胞受到破坏。

吵闹加剧、听力受损；

难以忍受、呆一分钟即暂时致聋。

极度聋或全聋

0 －2 0 分贝

2 0 －4 0 分贝

4 0 －6 0 分贝

6 0 －7 0 分贝

7 0 －9 0 分贝

9 0 －1 0 0 分贝

1 0 0 －1 2 0 分贝

120分贝以上

- 11 -

User Instructions

This user’s manual includes the method of use and

notes of the product.Before using this product, please read this manual in detail for putting Sound

Level Meter to good use.

Do not use this Sound Level Meter in inflammable

and explosive environment.

Please deal with Sound Level Meter in accordance

with the relevant national or local laws when it’s scrapped.

When Sound Level Meter is out of work or user does

not know how to use it,please contact the local dealers or manufacture.

- 12 -

1、Before Using

Packing List

No. Description Unit QTY Remarks

USB Cable

User Manual

PC

PC

PC

Introduction

Features and Functions

1. Accuracy: ±1.5dB (In Standard sound: 94dB@1KHz)

2. Range of Measurement: 30 ~ 130 dB

3. Frequency Response Range: 31.5 Hz ~ 8.5 KHz

4. Frequency Weighting: A (Ambient Noise) Weighting

Wall-mounted Sound

Level Meter 1 1

2 1

3 1

Please check if all accessories are complete according

to the following list. If not, please contact the dealer or

manufacturer in time.

This Sound Level Meter is a versatile device for measuring sound intensity in an acoustic environment—loud

or soft; high pitched, low-pitched, or broad-band; intermittent or continuous. This meter can be used in measuring noise of various occasions and appliances such

as factory, office, home, traffic route, acoustics,

air-condition, refrigerator, etc.

- 13 -

7

3 5

1

1 4

2

6

5. Response: Fast

6. Connecting computer with USB cable, you can download records, collect samples and print chart and data.

(Only for model 525B / 525C / 525D / 525G)

Parts Name

1. Hooks

2. USB interface

3. Alarm light

4. Microphone sensor

5. Display: 3 digital tubes display sound values

6. Alarm outlet: for external horn connection. This product

is not equipped with a horn, please purchase by yourself.

It is recommended to use 3.5mm two or three headphone

plugs and 6-12V alarm horn, as shown below:

- 14 -

7. Buttons

Buttons Description Specification

Power ON/

OFF key

Down key

Up key

Alarm ON/

OFF key

Short press for power on, hold for

power off.

Short press for reducing value while

setting, hold for continuous reducing

Short press for increasing value while

setting, hold for continuous increasing

Short press for ON/OFF alarm,

hold for setting

- 15 -

Technical Parameters

Description SW-525A

±1.5dB(In standard sound: 94dB@1KHz)

31.5 Hz~8.5 KHz

Measuring range 30~130dB

Accuracy

Frequency range

Frequency weighting

Response time

Microphone 6mm capacitive microphone

A

FAST

Display 3 digits

Resolution 0.1dB (<100dB) 1dB (>100dB)

Alarm prompt

(sound + display)

Alarm output

Storage function 2 s/set, store for 1 year

connecting computer with USB cable

DC5V 1A Type-C USB interface

0~40°C; 10%~80%RH

-10~60°C; 10%~70%RH

228x125.5x32mm

Communication

Power supply

Built-in spare Li-ion 4000mAh 3.7V Li-ion

Red display Green

display White

display Red

display Screen

Operating temperature

/Humidity

Storage temperature

/Humidity

Dimension

SW-525B SW-525C SW-525D SW-525G

- 16 -

Press to turn on the device, long press to turn

off the device;

Auto Power On: The device can start automatically when

it is connect to the power. If user turn off the device by

press , connect to the power after 2minutes, it can

only start automatically again.

2、Instructions

Notes & Warning

Do not use Meter in high temperature and high humidity environment.

Do not use Meter near corrosive material.

Do not use Meter in the conditions that may be splashed by water.

Do not use Meter in heavy dust environment

Do not use Meter in an environment with chemical

gas.

Power ON/OFF

It needs 2s to enter measuring mode after power on.

Sound level is shown in the display.

- 17 -

3) Press button to save alarm value or press power

switch shortly to cancel setting to normal measuring

condition.

2) Press the buttons to adjust the alarm value and

press buttons for a while to set up continuously.

1) Press button for a while into alarm setting, then

it displays the alarm values and the red light blinks.

Turn on alarm function by default when the meter leaves

the factory.

Press button to turn off alarm and the red light off;

Press button to turn on alarm and the red light on.

Alarm

1. Alarm Switch

2. Setting Alarm Value

The default alarm value is 130dB. Users can adjust it

from 50 to 130dB

The alarm switch can be set, it will take the setting as

the default when start the meter next time.

- 18 -

Notes: It will enter alarm time setting when press button

in shortly. Users can press button shortly to

return to measuring condition.

3. Alarm Function（Sound + Display）

When the measuring value is over the alarm value, the

meter will make a sound beeping and lock the data with

blinking for 2 minutes. After 2 mimutes or press any key,

the Meter stops alarmi-ng and blinking, but also locks

the measure data for 5 se-conds. After 5 seconds, The

Meter return to normal measurement. Notes: If the measuring value is over the alarm value again when it’s back

to normal measurement, the Sound Level Meter would

alarm once again.

NOTES: The device will start alarm again, if the first

result is still beyond the alarm value when it return to

normal measurement.

4.Alarm Time & Volume

The default time of alarm is 2 minutes, volume is 3.

User can adjust the time between 6s to 120s, and

volume 1 to 3, 3 is the Maximum. Please check system

setting for operation details.

- 19 -

In the off state, press and hold and to start,

and then release the two keys when is displayed.

At this point, when disappears and the noise value

is displayed, the record is cleared.

Data Records (Only for 525B/525C/525D/525G)

The Meter saves measuring data every 2 seconds,

which is the largest value in this 2 seconds. The data

can be stored for a year, after that, the data in the first

half of the year would be emptied automatically. Users

can export data by connecting computer.

Clear Records (Only for 525B/525C/525D/525G)

- 20 -

Alarm Value

Alarm Time Setting Alarm Volume Setting

Day Setting Hour Setting

Minute Setting Second Setting

Year Setting Month Setting

System Settings

NOTES: Settings of Year/Month/Day/Hour/Minute/

Second are just available for 525B/525C/525D/525G.

- 21 -

System setting parameter including: Alarm value,Alarm

time,Alarm volume,Year,Month,Day,Hour,Minute,Second.

Long press button for alarm value setting

（Refer to <Instrument alarm>）.

System Settings operation as follows:

1 ）Press button to adjust the parameters; Hold it

for continuous adjustment.

2 ）Short press button to save data and set the

next batch of parameters(Alarm value->Alarm time

->Alarm volume->Year->Month->Day->Hour->Minute

->Second).

3） If you don’t want to save data, please press

button to return back to normal measuring.

Connecting Computer

(Only for 525B/525C/525D/525G)

Decompress the software installation package

NOISEMETER. rar. Open the folder of \"Installation and

Operation Instructions\", and read carefully. With the

software, the user can connect the device to computer

with USB to download records, real-time sampling, print

chart and data, etc.

Noise Meter.rar is software files package. Please extract

it to install the software or start the software directly.

Please read the <Installation and Operation Instruction>

carefully before use.

- 22 -

3、Other Instructions

Common Problems

Instrument Maintenance

1.No display

（ 1 ）Press the power ON/OFF switch again.

（ 2 ）Try the other USB cable to connect computer.

（ 3 ）Try the other power adapter.

2.No signal when connecting computer

( 1 ) Try the other USB cable.

( 2 ) Replace the computer USB outlet.

( 3 ) Be applicable to the systems of Windows Xp,Win7,

Win8,Win10 only.

( 4 ) Send the Meter back to factory to check its USB

outlet.

1. Surface Cleaning

Clean the Meter with wrung-out wet cloth.Do not use

the alcohol, alcohol diluent or corrosive chemical liquid

to clean the Meter.

- 23 -

Attached A: Volume Reference

0-20dB

20-40dB

40-60dB

60-70dB

70-90dB

90-100dB

100-120dB

Over 120dB

Very quiet, almost can't hear voice

Quiet,as whisper softly

As comfortable indoor conversation

Noisy,slight nerve damage

Very noisy, serious nerve damage

Extremely noisy,loss part of hearing

Unbearable noise,cause deafness momentarily

Completely deaf or completely irreversibly deaf

- 24 -

Sndway Technology (Guangdong) Co., LTD

全国咨询服务热线/ Service Hotline：400-125-6969

深达威科技（广东）股份有限公司

Add: Sndway Science & Technology Industrial Park, 58

Tuanjie Road, Humen 523930, Dongguan, China

地 址：东莞市虎门镇虎门团结路58号深达威科技园

电 话 / Tel：0769-85265688

网 址/ Web：www.sndway.com

邮 箱/E-mail：market@sndway.com