Sound Level Meters

Sound level meters are handheld electronic devices that take acoustic measurements. They provide readings on the noise level in an environment and usually return a measurement in decibels (dB). Sound level meters are also called decibel meters or noise meters.


Most sound meters feature an integrated digital display and some have an inbuilt memory to store readings. Many models can be attached to a smartphone or tablet and the data easily shared. Some models need connecting to a computer to export data.


What is the difference between Class I and Class II?


There are two classes of sound meter; Class I and Class II (also referred to as Type I or Type II). Sound level meters are given a classification of I or II depending on which international standard they meet. Type I or Class I sound meters are used for incredibly precise measurements (such as in laboratories) as they are able to measure the smallest sound levels. Class II sound level meters are usually used in workplaces for assessing and measuring noise.


What is weighting?


Weighting refers to the frequency range that is measured. Some sound meters will only measure one frequency range, while other models are able to measure all.


A frequency covers a 20 Hz to 20 kHZ range. However, the sound is cut from the lower and higher ends of the spectrum in order to approximate the frequency that is audible to the human ear.


C frequency can measure much higher noise levels, but still covers the frequency heard by the human ear.


Z frequencycovers the whole frequency range between 10Hz to 20 kHZ, ±1.5dB.


Should I calibrate my sound level meter?


Calibrating your sound level meter will ensure that it always returns the most accurate measurements. It provides you with absolute confidence that your meter works as expected with the highest accuracy.


What is a dosimeter?


Sound level meters measure the noise within a whole environment whereas dosimeters measure personal exposure to noise. Dosimeters (or dosemeters) are typically attached to an individual at work to monitor noise levels.


Why would I use a sound level meter?


Sound level meters will give you measurements on the level of noise within an environment. High noise levels can damage hearing, cause hearing loss and can have a detrimental effect on health. With a reading from a sound meter, you can make sure that you have the correct measures in place (such as slowing down machinery to minimise excess noise) and appropriate PPE (Personal Protective Equipment) to minimise risk.


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Description Price Maximum Sound Level Minimum Sound Level Resolution Accuracy Class DOSE Measurement Weighting Display Type Battery Type Fast/Slow Time Averaging Data Logging Interface Type Maximum Frequency Maximum Operating Temperature Minimum Frequency
RS庫存編號 668-0839
製造零件編號SM-10
BrandAmprobe
HK$1,816.12
單位
130dB 35dB 0.1 dB ANSI S1.4 Type 2, IEC 651 Type 2 - A, C LCD - - - - 8kHz - 31.5 Hz
RS庫存編號 477-110
製造零件編號CEL-240
HK$4,285.30
單位
130dB 30dB - ANSI S1.4, IEC 60651, IEC 61672 Yes A, C LCD AAA Both Yes USB - +40°C -
RS庫存編號 477-100
製造零件編號CEL-240/K1/RS
HK$7,401.94
單位
130dB 30dB - ANSI S1.4:1983 Type 2, IEC 60651:1979 Type 2, IEC 61672-1:2002 Class 2 - A, C Digital, Graphic Display AA - Yes - - +40°C -
RS庫存編號 498-0102
製造零件編號0563 8155
BrandTesto
HK$3,099.01
單位
130dB 32dB 0.1 dB IEC 60651 Class 2 - A, C LCD 9V Both - USB 8kHz +40°C 31.5 Hz
RS庫存編號 909-3742
製造零件編號GA116I
BrandCastle
HK$10,298.99
單位
140dB 35dB - - Yes A, C - - - Yes USB 20kHz - 1 Hz
RS庫存編號 909-1884
製造零件編號GA216B
BrandCastle
HK$5,308.57
單位
140dB 35dB 0.1 dB - Yes A, C LCD Alkaline, PP3 Both Yes - 20kHz - 1 Hz
RS庫存編號 468-3895
製造零件編號P01185501Z
HK$3,056.65
單位
130dB 35dB 0.1 dB IEC 651 Type 2 - A, C LCD 9V Both - - - +50°C -
RS庫存編號 447-7381
製造零件編號GA213
BrandCastle
HK$6,182.52
單位
140dB 35dB 0.1 dB IEC 60651:1979 Type 2, IEC 61672-1:2002 Class 2 - A, C LCD - Backlit 9V Both - - 20kHz +40°C 1 Hz
RS庫存編號 800-3183
製造零件編號0563 8170
BrandTesto
HK$4,807.20
單位
130dB 30dB 0.1 dB IEC 60942 Class 2 - A, C Backlight AA Both Yes USB 8kHz +40°C 20 Hz
RS庫存編號 447-9630
製造零件編號GA215
BrandCastle
HK$5,095.45
單位
140dB 35dB 0.1 dB IEC 60651:1979 Type 2, IEC 60804:2001 Type 2, IEC 61672-1:2002 Class 2 - A, C LCD - Backlit 9V Both - - 20kHz +40°C 1 Hz
RS庫存編號 909-3749
製造零件編號GA116L
BrandCastle
HK$13,322.02
單位
143dB 29dB - - Yes A, C, Z LCD Alkaline, PP3 Both Yes USB - +50°C -
RS庫存編號 909-1923
製造零件編號GA116E
BrandCastle
HK$12,433.55
單位
133dB 19dB - - Yes A, C, Z LCD Alkaline, PP3 Both Yes USB - +50°C -
RS庫存編號 447-9646
製造零件編號GA256
BrandCastle
HK$4,318.83
單位
140dB 75dB 0.1 dB IEC 61252:1993 Yes A, C LCD - Backlit 9V Both - - 20kHz +40°C 1 Hz
RS庫存編號 909-3745
製造零件編號GA216L
BrandCastle
HK$7,698.43
單位
143dB 29dB - - Yes A, C, Z LCD Alkaline, PP3 Both Yes USB - +50°C -
RS庫存編號 123-2225
BrandRS PRO
HK$3,379.35
單位
130dB 30dB 0.1 dB ANSI S 1.4: 1983 Type 2, IEC 61672:2013 Class 2 - A, C LCD 9 V Battery - - - 8kHz +50°C 31.5 Hz
RS庫存編號 146-4650
BrandRS PRO
HK$1,265.69
單位
130dB 30dB 0.1 dB - - A, C, Z LCD NEDA 1604 Both No - 8kHz +50°C 31.5 Hz
RS庫存編號 123-2226
BrandRS PRO
HK$9,952.80
單位
130dB 30dB 0.1 dB ANSI S 1.4: 1983 Type 2, IEC 61672-1:2013 Class 2 - A, C LCD AA - Yes USB 8kHz +50°C 31.5 Hz
RS庫存編號 122-4294
BrandRS PRO
HK$4,356.38
單位
130dB 30dB 0.1 dB - - A, C LCD AA, LR6 - Yes USB 8kHz +50°C 31.5 Hz
RS庫存編號 146-4651
BrandRS PRO
HK$3,321.85
單位
130dB 30dB 0.1 dB - - A, C, Z LCD NEDA 1604 Both Yes Micro USB 8kHz +50°C 31.5 Hz
RS庫存編號 123-2228
BrandRS PRO
HK$4,180.18
單位
- - 0.1 dB - Yes A LCD AAA - - RS232 10kHz +50°C 20 Hz