Modal exciters, vibration shakers and controllers

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American Hofmannoration

Vibration controller - VibroGard-R 1500

The compact vibration and rolling bearing monitor VibroGard-R 1500 is used for low cost monitoring, i.e. on electric motors, fans or pumps. Different operating...

Vibration controller - VibroGard-R 1500

The compact vibration and rolling bearing monitor VibroGard-R 1500 is used for low cost monitoring, i.e. on electric motors, fans or pumps. Different operating conditions (e.g. idle operation and load) can be considered. The measurement values are stored in the device and can be evaluated using a PC.

*Features

Data storage in the device
Monitoring of various condition and process values
Setup via PC
Data acquisition for trend analysis on PC
Data export via serial port or memory card
Optional networking via CAN bus or Ethernet

Control system / vibration analysis - Spider-81

Spider-81 is a highly modular, distributed, scalable vibration control system developed by Crystal Instruments. It represents the fourth generation of vibration control systems because its advanced technology is not seen in any other...

Control system / vibration analysis - Spider-81

Spider-81 is a highly modular, distributed, scalable vibration control system developed by Crystal Instruments. It represents the fourth generation of vibration control systems because its advanced technology is not seen in any other...

Control system / vibration analysis - GEA

A complete solution for measurement and analysis of vibrations in civil, geotechnical and construction field. A unique...

Control system / vibration analysis - GEA

A complete solution for measurement and analysis of vibrations in civil, geotechnical and construction field. A unique...

Sound source - ARA

       The ARA Façade Source is a loudspeaker designed for on-site measurements of airborne noise sound isolation. Thanks to is neodymium magnets, the ARA speakers provide high sound pressure levels while remaining light in weight and easy...

Sound source - ARA

       The ARA Façade Source is a loudspeaker designed for on-site measurements of airborne noise sound isolation. Thanks to is neodymium magnets, the ARA speakers provide high sound pressure levels while remaining light in weight and easy...

Shock hammer - F22.50


The F22.50 uses adjustable energy levels to allow the full range of test settings. This product is a Complete Impact Test Apparatus...

Shock hammer - F22.50


The F22.50 uses adjustable energy levels to allow the full range of test settings. This product is a Complete Impact Test Apparatus...

Shock hammer - 5110 series

2.0 J Impact Hammer


Product Details

* 1250 g body includes release mechanism and striking element guide.
* 250 g striking element comes with cocking knob and hammer...

Shock hammer - 5110 series

2.0 J Impact Hammer


Product Details

* 1250 g body includes release mechanism and striking element guide.
* 250 g striking element comes with cocking knob and hammer...
Norsonic AS

Semi-dodecahedral loudspeaker - 120 dB | Nor275

A powerful sound source designed for building acoustics measurements per ISO-140/4 Annex A (Field measurements). The source provides uniform sound radiation. When used with the power amplifier Nor280, the high sound power level ensures accurate descriptors in measurement...

Semi-dodecahedral loudspeaker - 120 dB | Nor275

A powerful sound source designed for building acoustics measurements per ISO-140/4 Annex A (Field measurements). The source provides uniform sound radiation. When used with the power amplifier Nor280, the high sound power level ensures accurate descriptors in measurement conditions that include high background levels, high sound insulation properties and large room volumes.
Nor275 is designed for placement on the floor and uses the floor as a mirror for emitted sound

Nor275 is designed for placement on the floor and uses the floor as a mirror for emitted sound.
The loudspeaker is designed to operate at full power for more than one hour continuously.



The Nor275 is designed to be used with the Nor280 power amplifier only. Using other amplifiers may damage the speaker and will void the warranty.

* Nor275 fulfill ISO 140-4 Annex A standard for airborne insulation measurements in field.
* Powerful - 120 dB Lw
* Lightweight (6 kg / 13.2 lb), portable and rugged design for field use.

Semi-dodecahedral loudspeaker - Nor276

The Nor276 is a high power loudspeaker with omnidirectional characteristics.
It fulfils the following standards; ISO 140-3 Annex C (Laboratory...

Semi-dodecahedral loudspeaker - Nor276

The Nor276 is a high power loudspeaker with omnidirectional characteristics.
It fulfils the following standards; ISO 140-3 Annex C (Laboratory measurements), ISO 140-4 Annex A (Field measurements) and the ISO3382 Annex A (Reverberation Time measurements).

The output power level is up to 120 db re. 1pW for a pink noise signal.

The Nor276 has been designed for continuous operation for more than one hour at full power. It is designed to be used with Nor280 Power Amplifier only. Using other amplifiers may damage the speakers and will void the warranty.

Reference sound source - 94 dB, 50 - 20 000 Hz | Nor278

Nor278 Reference sound source

Reference sound source for Sound Power measurements.

The rugged and compact design makes...

Reference sound source - 94 dB, 50 - 20 000 Hz | Nor278

Nor278 Reference sound source

Reference sound source for Sound Power measurements.

The rugged and compact design makes it well suited for both laboratory and field use. The design ensures a stable and uniform sound power output with unique long-term stability.
Applications

Substitution and Juxtaposition methods for determination of sound power of noise sources according to ISO 3747
Comparison method for determination of sound power of noise sources according to ISO 3741, ISO 3743-1, ISO3744 and 3747.
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