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52 results found.
Stopping your data logger
All HOBO and StowAway data loggers shut off when the memory is full (unless wrap-around is selected) or the data is downloaded to a computer. Once the data is downloaded to the computer, the data logger is in off mode and will need to be relaunched to continue data collection. If the data logger you are using is shuttle-compatible and you are downloading to a shuttle, the shuttle will automatically relaunch the data logger using the previous settings.
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H21-002 (HOBO® Micro Station) battery installation
It is always recommended that you readout the data logger before replacing the batteries. If you replace the batteries while the Micro Station is logging, it will stop recording data. The data will be overwritten the next time you launch it. If the batteries are dead, be sure to readout the data prior to re-launching the data logger after you have replaced the batteries. To replace the batteries, unscrew the top cover. Remove the battery strap and the old batteries. Insert the new batteries and replace the battery strap.
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A quick temp-accuracy check (ice bath)
We receive many calls requesting information on how to calibrate our data loggers. While our data loggers cannot be calibrated, you can certainly check to see if the data loggers are recording within their specifications. Ideally, testing should be done in a controlled environment. Unfortunately, not everyone has access to this type of environment.
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Protecting data loggers from electrical discharge (ESD)
A discharge of static electricity may cause a running data logger to stop recording. Precautions should be taken to prevent this while handling the data logger. Discharges may occur when there is a charge difference between the data logger and a cable being connected to it or when a person touches an exposed jack.
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Possibility of exposure to chemicals or chemical vapors
This is dependent on the data logger you are using and the chemical and/or concentration of the chemical to which the data logger is exposed. Many chemicals will have an adverse effect on the data loggers and/or the sensors that the loggers utilize. Contact your authorized sales representative with questions regarding specific chemical contact with the data logger that you are using.
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Using Onset data loggers if computer has USB ports and no serial port
Onset offers a Serial-to-USB Adapter (http://www.onsetcomp.com/products/cables/adapt-ser-usb) that provides a simple way to connect HOBO and StowAway® data loggers to available USB ports on your computer.
Onset also offers a USB solution with the U-Series Family of data loggers, which interfaces directly with the USB port on your computer.
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Maximum sensor cable length
The entire network (all sensors combined) cannot exceed 100 meters. As long as your total cable length is below this, it does not matter how you designate the individual cable lengths. It is important to insure that the connections are weatherproof.
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Rapid battery consumption (outdoor loggers)
All Users: Check both the logging and the sampling interval to make sure they are greater than one-minute intervals. For example, with a sampling interval of one second, the HOBO logger is constantly on and there is a constant drain to the batteries. If your application calls for such an interval, you may need to replace the batteries more frequently
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