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Battery-powered data loggers are widely used by performance contractors, technicians, and engineers responsible for monitoring energy efficiency and usage, indoor air quality, and evaluating heating/ventilation/air conditioning (HVAC) systems. Data loggers are easy to use, portable devices that collect data and then offload data to a PC for analysis. Today's most advanced data loggers rival the measurement accuracy of many higher priced, PC-based data acquisition systems.
Planning a solution for getting better equipment data requires answering a number of questions about the energy monitoring application.
* Is there a need to measure a range of conditions, or just a single parameter?
* Does the application require alarm notification when conditions go beyond a certain threshold?
* How often will data need to be offloaded?
* Will the measurement equipment withstand harsh environments?
Measurement accuracy