Sound level meter SPMONE

Measure and store sound

Measure, store and monitor sound levels. Self-sufficient and user-friendly. Ideal for rail, road and air traffic as well as on construction sites, at events and for sound level measurements in industrial plants.



How we measure success: Your advantages.

Measuring accuracy class 1

Measurement according to DIN EN 61672

Accredited calibration

Calibration by accredited calibration laboratory

Server connection

Automatic measured value transmission


Transmission of sound and event data

Analogue output 4-20 mA

Data interface 4-20 mA

Ethernet und RS232
Ethernet RS232

Data interfaces Ethernet, 4-20mA and RS232

Technology at a glance

See here how the sound level meter is constructed and which components create its functionality. We will be happy to show you more live or online during a personal consultation.

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For all those who like to take a closer look. Our photo gallery shows you the product in detail, as a whole and from different perspectives and in different situations.

Technical information

The SPMONE is particularly user-friendly and has been specially developed for sound level monitoring. Its performance spectrum includes long-term storage of data as well as automatic transmission to a computer or server. Furthermore, the device enables automated customer-specific analyses and evaluations as well as the correlation of different measured variables on the server side.

Advice on installation and operation

In addition to our products, we offer a range of services tailored to your specific application. We take care of installating sound level meters and microphones correctly and offer annual inspection and recalibration. This can even take place directly on your premises. In addition, we can develop customer-specific evaluation procedures and result protocols for you. And if purchasing a sound level meter is not an option for you, ask us about our rental options.

Level range30–127 db
Frequency range20 Hz – 20 kHz
Frequency ratingA-Filter, C-Filter
Time ratingFast, Slow
AccuracyClass 1 according to DIN EN 61672
Display2-line LCD display with 20 characters each
Microphone interfaceAnalogue
Data interfaceEthernet, RS232
ModemAnalogue, ISDN, GSM

Suitable accessories

Outdoor housing

The outdoor housing reliably protects the device from environmental influences thanks to the housing-within-a-housing concept and is suitable for wall and pole mounting.

Mobile Messstation
Mobile measuring station

For carrying out self-sufficient, mobile measurements.

Installation material and other accessories

Everything you need for installation, such as stand, sliding mast, LTE modem, cable extensions, etc.

PC Software

With the software you can transfer and visualize noise curves.


How is the product maintained?

We recommend an annual recalibration and adjustment for all our sensors to be able to guarantee the exact functionality. We calibrate our sensors with state-of-the-art measurement technology in our in-house calibration laboratory. Our test equipment is one of the most accurate references in measurement and control technology. The test results are summarised in a factory calibration certificate in accordance with DIN EN ISO/IEC 17025:2018-03.

Ready to download?

Simply download the latest product information here. Do you have further questions about iocto and our products? We are happy to be there for you.