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AVW100 Interface for Vibrating-Wire Sensors
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Resumen

The AVW100 is available as a replacement part or as needed for continuity or compatibility, but Campbell Scientific recommends the AVW200-series interfaces for all new applications. The AVW200 interfaces are much more accurate and feature a high degree of noise immunity for your vibrating-wire measurements.

The AVW100 provides amplification and signal conditioning for the frequency signal of one vibrating-wire or vibrating-strip transducer. Compatible sensors include pressure, load, strain, or even vibrating-wire temperature sensors. The recommended frequency range is 250 to 9900 Hz (up to 5000 Hz in the CR5000). It is similar in general design to our AVW1 and AVW4, but it is designed for use with frequencies that those interfaces do not support (i.e., 250 to 1000 Hz).

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Ventajas y características

  • Interfaces one vibrating-strip/wire sensor to the datalogger
  • Integra las medidas de temperatura y frecuencia de sensores de cuerda vibrante
  • Supports a frequency sweep range of 250 to 9900 Hz
  • Can be used in conjunction with an AM16/32B or AM416 multiplexer

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Descripción detallada

The AVW100 is available as a replacement part or as needed for continuity or compatibility, but we recommend the AVW200-series interfaces for all new applications. The AVW200-series interfaces are much more accurate and feature a high degree of noise immunity for your vibrating-wire measurements.

The AVW100 provides amplification and signal conditioning for vibrating-wire pressure, load, strain, or temperature sensors. The recommended frequency range is 250 to 9900 Hz (up to 5000 Hz in the CR5000). It is similar in general design to our AVW1 and AVW4, but is designed for use with frequencies that those interfaces do not support (i.e., 250 to 1000 Hz).

Especificaciones

Frequency Sweep Range 250 to 9900 Hz
Number of Vibrating-Wire Sensors Measured One vibrating-wire sensor connects to the AVW100. Additional sensors can be measured by using an AM16/32-series multiplexer.

Compatibilidad

Nota: lo siguiente muestra información de compatibilidad notable. No es una lista de todos los productos compatibles.

Dataloggers

Producto Compatible Nota
CR1000 (retired)
CR1000 (retired)
CR1000 (retired)
CR1000 (retired)
CR1000 (retired)
CR1000X
CR200X (retired)
CR216X (retired)
CR3000 (retired)
CR3000 (retired)
CR3000 (retired)
CR5000 (retired)
CR800
CR850
CR9000X (retired)

Miscelaneo

Producto Compatible Nota
21X (retired)
CR10 (retired)
CR10X (retired)
CR23X (retired)
CR500 (retired)
CR510 (retired)
CR9000 (retired)

Información de compatibilidad adicional

Datalogger Considerations

Programming

Vibrating-wire/strip transducers are measured by the VibratingWire Instruction in CRBasic, and by Instruction 28 (Vibrating Wire) in Edlog. The datalogger produces a swept-frequency excitation, then measures a specified number of cycles of the sensor's resonant frequency.

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Preguntas frecuentes

Número de FAQs relacionadas con AVW100: 3

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  1. The AVW1, AVW4, and AVW100 have a resolution of 0.1 Hz. Certifications of compliance for these items are not available.

  2. The AVW1 is able to detect frequencies ranging from 1000 to 9900 Hz; the AVW100 is able to detect frequencies ranging from 250 to 9900 Hz.

  3. Both the P28 and P131 instructions will work with the AVW100. The AVW100 was designed for sensors with measurement frequencies below 1000 Hz, so it is the best choice if any part of the swept frequency of the transducer is below 1000 Hz. Compared to the P28 instruction, the P131 instruction has four additional user-configured parameters, which allow the user to fine tune the measurement; otherwise, the P28 and P131 instructions are identical.