Hi, I'm John Wheeler, Director of Engineering
here at Vernier Software & Technology.
Today we're going to collect data
using the Go Wireless Temp and an iPad.
The Go Wireless Temp comes in this eco-friendly packaging.
We're going to open it up, and inside you'll find
the temperature sensor... some instructions,
and a charging cable.
The first thing on the instructions
is to charge the temperature sensor.
You do this by snapping on the charge cable
to the end of the temperature sensor
and plugging this end into a USB port.
It takes about two hours to charge the Go Wireless Temp.
And while you're doing that, you can download
the free application from the Apple Store.
The Go Wireless Temp app, once it's on your iPad,
you can launch it,
and it will begin by looking for a Go Wireless device.
So on your temperature sensor, it's very simple controls.
There's a single button to turn it on and off
and an LED to show you when it's collecting data.
So you want to turn that unit on.
Now it sees the temperature sensor, and we'll select it.
And now you'll see on the left side of the display
there is a bar meter showing
the present reading of the temperature.
Go Wireless Temp can read from -40 degrees C
to +125 degrees C.
And its wireless range is about 30 meters
in a clear hallway with no obstructions.
But you can get a good distance away from your iPad
and still collect data.
So we have a beaker of hot water
and a beaker of cold water here
just to give us a nice temperature difference
and some interesting numbers.
So we'll stick the temperature sensor into the hot one.
You can see the numbers rising,
the temperatures are going up.
If we want to collect data over time, there's a graph here.
And to begin collecting data,
we press the Collect button.
Now you can see we're collecting data.
Now we're going to move the temperature sensor
from the warm water to the cool water.
The Go Wireless Temp has a rugged enclosure.
In fact, it's watertight -- in case someone decides
to use this as a stir stick or something,
it shouldn't damage the device.
We're going to put it right into the ice beaker,
so we should see a great temperature change there.
So now that we've collected some data,
we're able to go through and select points
and read off those data points, examine those data points.
So over here you can see the reading.
So if I move around the graph,
maybe these points are interesting.
You can see the temperature at those
individual points on the graph.
If we wanted to do further analysis,
we can export this data using email, text messages,
this will come through as a text file,
or we can actually export it directly
to our Graphical Analysis for iOS application.
Here we see that same graph.
We can select regions, do curve fits, statistics,
and any other further analysis we'd like to do.
For more information on graphical analysis
or the Go Wireless Temp, please visit our website.