CMA Charge Amplifier

PACEline CMA - Charge amplifier including TEDS and zoom function

The PACEline CMA charge amplifier (analog amplifier) ensures reliable transmission of data from piezoelectric force transducers. This is done by signal conditioning to +/-10 V analog standard signals.

Product Description

The PACEline CMA charge amplifier transfers the many benefits of TEDS technology to the world of piezoelectric force measurement for the first time. TEDS is the Transducer Electronic Data Sheet - and enables automatic sensor identification providing many benefits for more efficiency and reliability of measurement processes. Which means: TEDS relieves you from complex parameterization of all individual components of the measurement chain prior to measurement.

Another PACEline CMA benefit is the availability of two calibrated measuring ranges amounting to 100% and 20% of the nominal (rated) force. The second measuring range opens up a "zoom on your production". You can check overload-critical sections at high resolution like looking through a magnifying glass. Extra comfort and significance which normally is only available with strain gage technology-based transducers. PACEline CMA is furthermore optionally available with two measurement inputs to allow cost-efficient summation of two measurement signals.

The workmanship of PACEline CMA is top class as well: Thanks to electrically isolated inputs and electrical isolation from mains between measurement signal and supply voltage the charge amplifier meets the demanding requirements of adverse industrial environments.

The CMA charge amplifier is part of the complete "PACEline" piezoelectric force measurement chain which, due to the perfect matching of transducers and charge amplifier, ensures both reliable test results and minimal set-up times.

Benefit from high resolution resulting from a wide measuring range. PACEline CMA is now also available for the following measuring ranges - which enables you to select the amplifier that matches the sensors' measuring range:

  • 1 000 pC
  • 2 000 pC
  • 5 000 pC
  • 20 000 pC
  • 2 000 000 pC
  • 5 000 000 pC

CMA5000 charge amplifier with large measuring range

The CMA5000 charge amplifier has a measuring range of 5 million picocoulombs (pC) and allows monitoring of machines and systems where high forces are generated.

With its enormous input range of 5 nC, the CMA5000 can process charges corresponding to forces exceeding 1.1 MN. Furthermore, the charge amplifier has two input sockets connected in parallel, thus enabling the instrument also to be used when two smaller, distributed sensors are to be connected in parallel. This cost-efficient solution eliminates the need for additional summing elements and wiring to be purchased.

The charge amplifier for piezoelectric sensors offers IP65 protection and can be used in industrial applications without any problems.

The CMA5000 is linked to higher-level data acquisition systems via the analog signal output (+/-10 V DC). Two calibrated, internal measuring ranges - 100% and 20% of the nominal (rated) measuring range - allow precise adaptation of the measuring range.

Accessory

CSB4/1 summing box

Simplify the installation of piezoelectric sensors. The CSB4/1 summing box enables up to four piezoelectric sensors to be connected in parallel to an amplifier input. It can be fastened with screws and features electrical isolation of enclosure and sensor shielding.

CSB4/1 - Data sheet

CSB4/1 - Operating manual

ePLAN

In addition to the industrial amplifiers HBM provides the appropriate ePLAN macros. They allow easy and error-free integration of the instruments in the project planning of the automation environment.

ePLAN Electric P8 is an engineering tool for modern CAE software supported by a database and facilitates consistent project planning, documentation and administration of automation systems. ePLAN macros enable users to easily integrate the process controllers in their project planning. Parts data, drawings and pin assignments are available in ePLAN Electric P8 immediately after import of the macros.

The free macros are available on the documentation CD included in the process controllers' scope of supply and can also be downloaded here.

Product Literature

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Product Literature

PACEline CMA
PACEline CMA ENDEESFRITPTCNJPKRRU
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Candid data sheets: We keep our promises.

Precision in series: This also applies to the accuracy of the values specified in our data sheets. Ideal conditions can often be theoretically attained based on the values given, but our data sheets focus on realistic standard assumptions - such as those likely to be encountered in your application. Therefore, please consider this when comparing our data sheets with those of other manufacturers.

Case Studies

Serving a greener automotive industry

The demands on energy efficiency and the CO2 balance of motors are constantly increasing. A manufacturer of water, oil and vacuum pumps for thermal engines therefore decided to use a complete solution from HBM.

Machine monitoring made easy

Artis GmbH in Bispingen is an international leading company in the sector of tool, process and machine monitoring. Artis is using the proven piezoelectric systems of the HBM Paceline series in the monitoring of turning-turning...

Enhanced ergonomics in the car: Valeo opts for innovative operating concepts - and measurement technology from HBM

Air conditioning, navigation system, radio, MP3 player, etc.: Modern cars continue to develop into genuine multimedia cockpits. However, the more complex the technology available, the more important it is that this multitude of...

Piezoelectric force transducer: 5 rules for installation and mounting

Do you want to use piezoelectric force transducers? If so, you should make sure that you observe our 5 rules for installation and putting into operation to get correct results.

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To connect our piezoelectric products in a measuring chain proceed as follows:

PACEline Online Brochure

Measurement ranges PACEline CMA (pC)

  • 1 000
  • 2 000
  • 5 000
  • 20 000
  • 39 500
  • 158 300
  • 210 500
  • 287 000
  • 482 000
  • 2 000 000
  • 5 000 000

Order Number

1-CMA1
1-CMA2
1-CMA5
1-CMA20
1-CMA39
1-CMA158
1-CMA210
1-CMA287
1-CMA482
1-CMA2000
1-CMA5000/2