NEULOG BAROMETER SENSOR GUIDE
NeuLog barometer sensor
NUL-221 Carolina # 369650
The NeuLog barometer sensor can be used for any science experiment or activity
which requires an accurate atmospheric pressure measurement such as in the fields
of Physics, Biology, Physiology, Exercise Science, Environmental Science, Earth
Science, Weather Science, Botany, etc.
The barometer sensor comes pre-calibrated in the factory, and never requires
recalibration.
Just a few of the thousands of possible experiments that can be done with the NUL-
221 sensors are: demonstrating how pressure is related to altitude, exercise studies at
different altitudes, effects of pressure change on plant growth, weather experiments,
and many more.
The pressure sensor can collect data using four different units of measure:
Kilopascal (kPa): The SI unit of pressure.
Atmospheres (atm): A pressure unit equal to one earth atmosphere at sea
level (101.325 kPa)
Inches of mercury (in.Hg): A non-SI unit of atmospheric pressure
Millimeters of mercury (mmHg): A non-SI unit of atmospheric pressure
Quick start procedure:
PC or Mac Computer
Materials needed:
NUL-221 Barometer Sensor
USB-200 USB Module
A USB to mini USB cable (which comes with the USB-200)
Your barometer sensor needs to be connected to a USB-200 module. The USB-200
module then connects to a computer via a USB to mini-USB cable. Please note that
you cannot plug the barometer sensor directly into the computer.
Resident PC software and browser based software can be downloaded for free at
www.NeuLog.com/dowload as well as a full software user guide. Note: Make sure not
to download and install both types of software, they will conflict on the computer.
Procedure:
1. Install the NeuLog software
2. Connect the USB-200 module to the PC or Mac
3. Connect the barometer sensor to the USB-200 module (they directly plug
together). Please note there is no calibration required for this sensor.
4. Open the NeuLog software.
5. Once a barometer sensor logo appears on the left side of the screen the
probe has been automatically identified and you can begin experimentation.
6. If the barometer sensor is not automatically identified then click the “Search
for sensors” icon to find the sensor.
7. Select the “On-line experiment” button; this will open a graph below.
8. Click on the “Module setup” button located on the barometer sensor icon in
the module window to change the sensor settings if need be.
9. Click on the experiment set up button to change the experiment settings if
need be (experiment duration for example).
10. The barometer sensor will give a live reading in the box to the left of the
screen while plugged in.
11. To run an experiment and collect data click “Run experiment”.
12. To end data collection early, click “Stop experiment”.
Tablet, smart phone device
Materials needed:
NUL-221 Barometer Sensor
WIFI-201 WIFI module
BAT-200 Battery
Your barometer sensor needs to be connected to a WIFI-201 module. The WIFI-201
module will create a closed NeuLog wifi network which will stream the NeuLog data to
a device of your choosing. Once your device is wirelessly connected to the NeuLog
network you can run experiments and collect data through a browser of your choosing.
Procedure:
1. Connect the barometer sensor directly to the left side of a WIFI-201 module
(no wires required).
2. Connect a BAT-200 module to the right side of the WIFI-201 module.
3. Although not required, we recommend plugging the BAT-200 to an outlet
using a USB to micro USB charger (such as a typical cell phone charger).
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