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Sound Level Meter and Sound Measurement
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Mini Digital Sound Level Meter
Model No ASL-85A
£47.50
Range 40 to 130dB
Resolution 0.1dB
Accuracy ±3.5db
Auto Ranging Sound Level Meter
Model No ASL-8928
£75.00
Range 40 to 130dB
Resolution 0.1dB
Accuracy ±2db
Dual Range Sound Level Meter Calibrator
Model No ASC-942
£95.00
Range 94dB & 114dB
Accuracy ±0.75dB
Dual Range Precision Sound Level Meter
Model No ASL-805
£99.00
Range 30 to 130dB
Resolution 0.1dB
Accuracy ±1.5db
Precision Logging Sound Level Meter
Model No ASL-8851
£165.00
Range 30 to 130dB
Resolution 0.1dB
Accuracy ±1.4db
Precision Data Logging Sound Level Meter
Model No ASL-8852
£195.00
Range 30 to 130dB
Resolution 0.1dB
Accuracy ±1.4db
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Sound Level Meter
ATP Instrumentation have digital sound level meter, auto ranging sound level meter, precision sound, precision logging and sound level meter calibrators available.
Do you need advice as to which is best for your sound monitoring need? Please contact our technical team on 01530 566804 or by email: technical@atp-instruments.co.uk . To speak to our sales staff please call 01530 566800 or on sales@atp-instruments.co.uk .
Sound Meters available
Mini Digital
This mini digital device has a wide dynamic range and gives virtually instant readings. It is ideal for quick and easy environmental sound level checks. Click for more details about this mini digital sound level meter.
Auto Ranging
A superbly designed easy to use auto ranging device with features normally only found on more expensive instruments. It has an electret condenser microphone giving virtually instant readings updated every 0.5 seconds on an extra large LCD display. Learn more about this auto ranging sound meter.
Dual Range Precision
A dual range precision meter ideal for measuring noise levels in different environments and industries. Manufactured to IEC 60651 Type 2, this sound level meter has a precision ½" electret condenser microphone and is lightweight and easy to use. Learn more about this dual range precision sound meter.
Precision Logging
Precision logging meter designed to meet IEC 61672-1 Class 2 with accuracy of ±1.4dB. A ½" electret condenser microphone ensures accurate and repeatable readings. A modern ergonomically shaped grip, high-intensity backlight and USB interface make these sound level meters extremely convenient to use. Learn more about this precision logging sound level meter.
Precision Data Logging
Precision data logging meter designed to meet IEC 61672-1 Class 2 with accuracy of ±1.4dB. A ½" electret condenser microphone ensures accurate and repeatable readings. A modern ergonomically shaped grip, high-intensity backlight and USB interface make these sound level meters extremely convenient to use. Learn more about this precision data logging sound meter.
Mini Digital
Mini digital sound level meter from ATP Instrumentation. Find more details about this mini digital sound level meter.
More information about Sound Level Meters
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MINIMUM specifications for popular applications |
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Noise at Work Measurements
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Full compliance with IEC 61672:2002 (at least Class 2), or IEC 60651:1979 (at least Type 2) Readings in dB(A) and dB(C) Measurements in Leq or Lex or L EP,d Peak (Pmax or Ppeak), ideally simultaneously to the above Field Calibrator, same class as instrument |
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Alarm Testing |
Readings in dB(A), Maximum hold (Lmax) |
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Machinery Regulations
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Full compliance with IEC 61672:2002 (Class 1 or 2), or IEC 60651:1979 (Type 1 or 2) Readings in dB(A) Average level (Leq) Calibration |
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Engineering |
Full compliance with IEC 61672:2002 (Class 1 or 2), or IEC 60651:1979 (Type 1 or 2) Readings in dB(A) Maximum hold (Lmax) Calibration |
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GUIDE TO NOISE EXPOSURE LEVELS |
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dB Noise level |
Exposure Time |
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85 |
8 hours |
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88 |
4 hours |
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94 |
1 hour |
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100 |
15 minutes |
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115 |
47 seconds |
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121 |
14 seconds |
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130 |
1.75 seconds |
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Note: an increase of 3Db halves the exposure time |
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GUIDE TO NOISE LEVELS |
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Noise Level dB (A) |
Example |
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50-60 |
Normal Conversation |
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65-75 |
Loud radio |
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78-85 |
Busy street |
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100 |
Light tractors, Electric hand tools, Light garden machinery |
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85-120 |
General manufacturing industry |
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100-120 |
Heavy tractors, Steel construction, Road construction |
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120-130 |
Forestry equipment, chainsaws, Textile industry, Paper and printing works, Heavy plant, Pneumatic drills |
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120-150 |
Airports, jet engines, motor sports |
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Glossary of Terms |
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A Weighting |
A standard weighting of the audible frequencies which approximates to the response of the human ear to noise. |
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Accoustic Calibrator |
Provides a reference noise source to calibrate and check the performance of a Sound Level Meter. |
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C Weighting |
A standard weighting of the audible frequencies used for the measurement of Peak Sound Pressure level. |
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Z Weighting |
Flat frequency response with defined limits, used as well as C weighting |
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dB(A) |
Decibels A weighted |
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dB(C) |
Decibels C weighted |
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dB(Z) |
Decibels Z weighted |
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Decibel (dB) |
The units of sound level and noise exposure measurement |
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LE or SEL |
Sound exposure level compared to 1 second of time |
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LEP,d or Lex |
Daily personal noise exposure (Leq normalised to 8 hours) |
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Leq |
Equivalent continuous sound pressure level. A measure of the average sound pressure level during a period of time |
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Lmax |
The maximum sound level |
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Lp or SPL |
Instantaneous sound pressure |
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Pascal |
Unit of pressure related to Newtons per m2 |
Please take the time to view the products we have available and if you can't find what you need in the categories above, please contact our Technical Support Team, who will be happy to help: 01530 566804 or email: technical@atp-instruments.co.uk. For sales please call 01530 566800 and if you would prefer you can contact us by email on sales@atp-instruments.co.uk
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