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Overview
The QD1, a general-purpose quadrature decoder, is required for some shaft encoders you may use in water-level or slope-stability applications. Please note that our CS410 Shaft Encoder does not require the QD1.
Note: A new quadrature instruction is available in the CR1000, CR800, CR850, and CR1000X dataloggers. For questions, contact Campbell Scientific.
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Specifications
| Dimensions | 7.62 x 3.81 x 1.91 cm (3.0 x 1.5 x 0.75 in.) |
| Weight | 90.72 g (0.2 lb) |
Compatibility
Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.
Data Loggers
| Product | Compatible | Note |
|---|---|---|
| 21X (retired) | ||
| CR10 (retired) | ||
| CR1000 (retired) | ||
| CR10X (retired) | ||
| CR200X (retired) | ||
| CR206X (retired) | ||
| CR211X (retired) | ||
| CR216X (retired) | ||
| CR23X (retired) | ||
| CR295X (retired) | ||
| CR3000 (retired) | ||
| CR500 (retired) | ||
| CR5000 (retired) | ||
| CR510 (retired) | ||
| CR6 | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR9000 (retired) | ||
| CR9000X (retired) |
Additional Compatibility Information
Data Logger Considerations
Two data logger pulse count channels are required. A connection to a 5 V output and ground is also required.
Programming
Connected sensors are measured by the PulseCount Instruction in CRBasic and by Instruction 3 (Pulse Count) in Edlog. The "up" versus "down" pulses are tallied in the data logger.
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