Advanced IEPE Amplifiers: Optimized Signal Conditioning Solutions

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IEPE amplifiers are required to provide the power for IEPE (Integrated Electronics Piezoelectric) accelerometers, microphones, force and other dynamic sensors are devices which include an internal circuit board providing amplification and signal conditioning for the piezoelectric charge signal.
One of the significant benefits of IEPE sensors has been the implementation of signal conditioning within many Data Acquisition (DAQ), vibration controller and other acquisition hardware. Often a software selected feature although it can also be via manual switch. In-built IEPE power means sensors can be directly connected to the DAQ without the need for external charge amplifiers, thus simplifying the measurement chain.

As with most situations there however exists a broad array of applications wherein measurement instrumentation hardware lacks inherent IEPE signal conditioning capabilities. Consequently, external provision of this supply becomes imperative, typically accompanied by the flexibility to fine-tune signal gain. Many of Kemo’s signal amplifiers include the facility to change the IEPE signal supply current from a standards 4mA up to 12mA giving user the ability to drive signals along much longer cables without signal distortion at higher frequencies.
Kemo’s comprehensive range of signal conditioning instruments not only serves as standalone conditioners and signal amplifiers but also offers seamless integration with filtering functionalities. This ensures versatility and precision in signal processing across diverse measurement scenarios.

The use of signal filters as part of your signal conditioning solution offers numerous benefits. Particularly if your installation suffers with noise from external sources such as RFI/EMC or from digital sampling causing Aliasing issues. IEPE signal amplifiers with integrated filters minimises additional noise as there is no need for cabling between individual pieces of equipment. As a result data accuracy is improved and in industrial applications machine efficiency can be improved.

DIN Rail Filter

DR1000

DIN Rail Mounting IEPE single channel supply with gain and variable IEPE supply

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DIN Rail Filter

DR1000-I

DIN Rail Mounting IEPE single channel supply with gain and variable IEPE supply also featuring 4-20mA output

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Kemo 3X-I Amplifier

3X-I

3 channel IEPE supply with x1, x10, x100 gain. BNC input and output on the front panel. DC powered for use in the field and the laboratory. Earth/Floating configuration

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IEPE Amplifier range Charge Amplifiers

3X-CI

3 channel charge/IEPE amplifier with x1, x10 and x100 gain individually selectable per channel. Each channel can be switched from Charge to IEPE conditioning. DC powered for ease fo use in the field or laboratory. Earth/Floating configuration

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9 Channel Charge Amplifier

9X-I

9 channel IEPE supply with x1, x10, x100 gain. BNC input and output on the front panel. DC powered for use in the field and the laboratory. Earth/Floating configuration

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9 Channel Charge Amplifier

9X-CI

9 channel charge/IEPE amplifier with x1, x10 and x100 gain individually selectable per channel. Each channel can be switched from Charge to IEPE conditioning. DC powered for ease fo use in the field or laboratory. Earth/Floating configuration

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