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Shop MeterMall
for: Data
Loggers
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| What
is a data logger? |
| A
data logger is an electronic instrument that records
measurements (temperature, relative humidity, light intensity,
on/off, open/closed, voltage and events) over time. Typically,
data loggers are small, battery-powered devices that are
equipped with a microprocessor, data storage and sensor. Most
data loggers utilize turn-key software on a personal computer to
initiate the logger and view the collected data. |
| How
does a data logger work? |
| First,
connect your data logger to a personal computer. Then use
the turn-key software to select logging parameters (sampling
intervals, start time, etc.) and initiate the logger.
Disconnect the logger and deploy it in the desired location.
The logger records each measurement and stores it in memory
along with the time and date. Reconnect your logger to the
personal computer and use the software to readout the data and
see these measurements as a graph, showing the profile over
time. The tabular data can be viewed as well, or exported
to a spreadsheet for further manipulation. |
| Why
are data loggers replacing chart recorders? |
| That's
like asking why CDs replaced albums! Data loggers
incorporate the latest in digital technology which makes them
smaller, less expensive, more accurate and more reliable than
chart recorders. Plus, you get your data in digital format
which makes your data analysis, storage, and presentation so
much more convenient. Data loggers don't require costly
and inconvenient chart supplies because you view data right on
your PC or laptop. |
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| Where
are data loggers used? |
| Data loggers are
used in remote areas or anywhere you want the convenience of
battery power to record measurements. They are ideal for those
involved with field studies, transportation monitoring, HVAC
tests, quality studies, troubleshooting and general research.
Data loggers can be used in a wide
variety of applications. Their small size makes data
loggers ideal for mounting in out-of-the-way locations.
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| What
is a data shuttle? |
| A
data shuttle is a pocket-sized device used to offload and
restart multiple data loggers and transport the data back to
your personal computer. This allows you to keep your
loggers in the field for continuous monitoring and recording.
Connect the Shuttle to your PC and use the the special software
to readout and view the data from the Shuttle. |
| Why
choose data loggers over other data acquisition systems? |
| Some
data acquisition systems require the installation of special
hardware in your PC and special connection and wiring of
sensors. These systems work well in permanently configured,
on-line applications but can be costly and difficult to use.
Data loggers greatly reduce the price per channel for most
logging applications and are so much easier to use. They
and can be placed in remote areas that permanent digital systems
simply cannot go. |
| What
to look for in a data logger? |
| What do you want to
measure? Loggers
to measure temperature, humidity, light intensity, equipment
on/off cycles, positional (eg., open/closed), rainfall, voltage,
and more
are available.
Units
of measure and measuring ranges.
User-selectable
sampling intervals.
Data
storage capacity.
User-friendly
software.
Watertight
cases, if necessary.
Small
size, portable, self-contained, battery operated, low cost. |
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