NEULOG BLOOD PRESSURE SENSOR GUIDE
NeuLog blood pressure sensor
NUL-222 Carolina # 39651
The NeuLog blood pressure sensor can be used for any science experiment or activity
which involves blood pressure measurements such as in the fields of Exercise
Science, Biology, Physiology, Human Health, etc.
The sensor comes pre-calibrated so you can start experimentation right out of the box
using any of the following guides.
Just a few of the thousands of possible experimental subjects that can be done with
the NUL-222 sensors are: exercise studies, human health studies, athlete
comparisons, blood pressure abnormalities, and many more.
The blood pressure sensor uses the following units of measure:
Millimeters of mercury (mm Hg): A standard non-SI pressure measurement.
Analog arbitrary units (Arb): An arbitrary value used to demonstrate
waveforms without a unit.
Millimeters of mercury and analog arbitrary units (mm Hg + Arb): A
combination of both units.
Using the blood pressure cuff:
To accurately record blood pressure rates you must first properly attach the blood
pressure cuff to the user. Note: The cuff works through clothing though try to
minimize layers for the best readings possible.
1. Unwrap the blood pressure cuff and locate the Velcro connection pads.
2. Situate the blood pressure cuff so the Velcro pads are facing outwards.
3. Wrap the blood pressure cuff tightly, without causing discomfort, around the
user’s upper arm.
4. Ensure that the rubber tubing (connected directly to the blood pressure cuff)
is situated only a couple of centimeters above the inner elbow.
5. Close the air pressure release valve by twisting the metallic knob until it
tightens.
6. Using the hand-pump fill the blood pressure cuff’s bladder until it forms a
snug but not uncomfortable fit (around 170 mm Hg should suffice).
7. Run an experiment following one of the following guides.
8. Loosen the pressure valve to allow a pressure decrease of about 3 to 4 mm
Hg per second.
Calculating heart rate, systolic, diastolic, and mean arterial pressure (MAP):
Using the NeuLog software the systolic, diastolic, and MAP blood pressure values can
easily be calculated:
1. Conduct an experiment following the “Using the blood pressure cuff” guide
and one of the following guides for setup.
2. After your data has been collected, click the “Select Zone” button
underneath the graph.
3. Highlight the region of the data that has a steady decline with visible heart
beats by clicking and dragging on the graph.
4. Click on the “Show Functions” button.
5. Select the sensor you wish to calculate for.
6. Select the “Functions” button.
7. Click on “Blood Pressure” and an information box will appear on the right
hand side of the graph.
Systolic:
Systolic pressure is the pressure which blood exerts on the arterial walls while the
heart is beating (the maximum pressure achieved). This value ideally is in the 90 to
120 mmHg range for adults and roughly 100 mmHg for children aged 6 to 9.
Diastolic:
The pressure which blood exerts on the arterial walls while the heart is relaxed in
between beats (the minimum pressure achieved). This value ideally is in the 60 to 80
mmHg range for adults and around 65 mmHg for children aged 6 to 9
Quick start procedure:
PC or Mac Computer
Materials needed:
NUL-222 Blood pressure Sensor
USB-200 USB Module
A USB to mini USB cable (which comes with the USB-200)
Your blood pressure 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 blood pressure sensor directly into the computer.
(5 pages)
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