This product is no longer available and has been replaced by: AVW200. Some accessories, replacement parts, or services may still be available.
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Overview
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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Benefits and Features
- Interfaces one vibrating-strip/wire sensor to the data logger
- Interfaces both temperature and frequency measurements from vibrating-wire sensors
- 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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Detailed Description
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).
Specifications
| 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. |
Compatibility
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Dataloggers
| Product | Compatible | Note |
|---|---|---|
| 21X (retired) | ||
| CR10 (retired) | ||
| CR1000 (retired) | ||
| CR1000X | ||
| CR10X (retired) | ||
| CR200X (retired) | ||
| CR211X (retired) | ||
| CR216X (retired) | ||
| CR23X (retired) | ||
| CR3000 (retired) | ||
| CR500 (retired) | ||
| CR5000 (retired) | ||
| CR510 (retired) | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR9000 (retired) | ||
| CR9000X (retired) |
Additional Compatibility Information
Data Logger Considerations
Programming
Vibrating wire/strip transducers are measured by the VibratingWire Instruction in CRBasic, and by Instruction 28 (Vibrating Wire) in Edlog. The data logger produces a swept-frequency excitation, then measures a specified number of cycles of the sensor's resonant frequency.
Documents
Frequently Asked Questions
Number of FAQs related to AVW100: 3
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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.
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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.
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The AVW1, AVW4, and AVW100 have a resolution of 0.1 Hz. Certifications of compliance for these items are not available.
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