CCLD (IEPE) accelerometer

CCLD accelerometers are PE charge accelerometers (also refereed to as IEPE accelerometers) with integral preamplifiers that have output signals in the form of low impedance voltage output. Most HBK CCLD accelerometers are hermetically sealed to protect against environmental contamination, they have low susceptibility to radio frequency, electromagnetic radiation and low a impedance output due to the built-in amplifier. This allows the use of inexpensive, and long, coaxial cables.

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What are CCLD Accelerometers?

CCLD is a generic name identifying accelerometers (and is also refereed to as IEPE accelerometers) and CCLD Signal conditioning equipment that operate on a constant-current power supply and give output signals in the form of voltage modulation on the power supply line.

CCLD variants have built-in, low-noise preamplifiers that are made using thick-film technology. The preamplifiers comprise ASICs (application-specific integrated circuit) including a special reference voltage that ensures very stable bias voltage over the entire operating temperature range.

An obvious advantage of using CCLD equipment is that it allows you to use inexpensive cables.

The low-output impedance allows the use of long cables for connection between the accelerometer and the data acquisition hardware, ie. our Input DAQ Module (LAN-XI Type 3050).

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