PASCO PS-2136A Manuel utilisateur
Instruction Sheet
012-08511D
3-Axis Acceleration/Altimeter Sensor
PS-2136A
.
*See the PASCO catalog or the PASCO web site at www.pasco.com
for more information.
Introduction
The PS-2136A 3-Axis Acceleration/Altimeter Sensor
is capable of five simultaneous measurements:
acceleration (change of velocity with respect to time)
in three axes: X, Y, and Z, resultant acceleration,
and altitude. The units of measure for acceleration
include m/s2 (meters per second squared) and g
(acceleration due to Earth gravity), and the units for
altitude include meters (m) and feet (ft).
The sensor is designed to work with a
PASPORT-compatible interface and PASCO data
collection software.
1. 5.
2.
3. 4.
Included Items
1. 3-Axis Acceleration/Altimeter Sensor
2. Mounting Bracket
3. Smaller Thumbscrew
4. Larger Thumbscrew
5. Sensor Extension Cable (PS-2500)
Required Items*
PASCO Interface
PASCO Data Collection Software
Recommended Items*
PASCO Cart
PASCO Dynamics Track
Angle Indicator
PASCO Xplorer GLX Vest
3-Axis Acceleration/Altimeter Sensor Introduction
2012-08511D 2
Setup the 3-Axis Acceleration Sensor
• Plug the sensor into a PASPORT input port of a
compatible interface.
NOTE: If more distance is needed between the
sensor and the interface or datalogger, you can plug
the sensor into a PASPORT Sensor Extension
Cable (included), and then plug the cable into the
computing device.
• Start the PASCO data collection software.
Data Collection Software Help
See the SPARKvue Help or PASCO Capstone Help
for information about collecting, displaying, and
analyzing data.
• In SPARKvue, select the HELP button in any
screen.
• In PASCO Capstone, select Help from the Help
menu, or press F1.
Software Setup
• Set up a display.
• Select a measurement.
• Begin recording data.
Direction of Sensitivity
The acceleration sensing units inside the sensor are
oriented so that the lines of greatest sensitivity follow
the three arrows indicating the direction of
acceleration.
Zero the Sensor
The sensor can be set up so that it will automatically
zero itself when you start to record data. Or, the
sensor could be mounted in the specific orientation
needed for an experiment, and then set to zero from
within the data collection software,
Search in the software Online Help for directions
about how to set the sensor output to zero before
starting a measurement.
Arrows indicate direction of acceleration. See (1). In
this orientation, the X-axis direction is ‘positive’ to
the left, the Y-axis direction is ‘positive’ toward the
end plate, and the Z-axis direction is ‘positive’
perpendicular to the label on top.
Test the Sensor’s Output Using Earth’s Gravity
For example,
if the sensor
is on its side
and oriented
with its long
axis
horizontal as
shown, the
Acceleration
X-axis
reading is
1.0 g in X.
See (1). If the
sensor is
oriented with the X-axis arrow pointing down, the
Acceleration X-axis reading is -1.0 g in X. See (2).
Sensor
PASPORT
Input Port
Interface
(1)
Z
X
Y
(1)
(2)
PS-2136A Specifications
3
012-08511D
If the sensor is
oriented with
the Y-axis
pointing down,
the
Acceleration
Y-Axis reading
is -1.0 g in Y.
See (3). If the
sensor is
oriented with
its the Y-axis
arrow pointing
up, the
Acceleration
Y-axis reading
is 1.0 g in Y. See (4)
If the sensor is
oriented with
the label
facing up, the
Acceleration
Z-axis reading
will read 1.0 g
in Z. See (5). If
the label is
facing down,
the reading is
-1.0 g in Z. See (6).
About the Measurement
This sensor has the over-sampling command capa-
bility that can be used by the data collection soft-
ware
Over-sampling
Over-sampling reduces noise, produces smoother
data, and improves the measurement resolution.
This effect is especially noticeable when very small
changes are measured. The degree of
over-sampling depends on the sample rate.
Maximum over-sampling occurs at slower sample
rates. To increase the degree of over-sampling,
lower the sample rate in the software.
Specifications
(*NOTE: Altitude reads zero for sample rate greater than 100 Hz)
Altitude
The Altimeter relies upon barometric pressure to
calculate altitude. As barometric pressure changes
with weather conditions, the altitude reading will
appear to change. During a period of high pressure,
for example, the altitude reading may be lower than
expected. However, the Altimeter will correctly
measure the change in altitude or height. If possible,
zero the sensor when it is located at the starting
position. If more than altitude change is required,
use the data collection software to create a
calculation of true altitude using a correction factor
based on the known altitude at the starting position.
(3) (4)
(6)
(5) Top
Item Value
Range for Each Axis: Acceleration: ± 16 g
Unit Choices
(examples):
Acceleration: m/s2 and g
Altitude: m and ft
Resolution: Acceleration: 0.002 g
Altitude: 0.10 m (10 cm)
Maximum Sample
Rate:
Acceleration: 500 Hz
Acceleration with simultaneous
Altitude: 100 Hz*
3-Axis Acceleration/Altimeter Sensor Technical Support
4012-08511D 4
Mounting on a PASCO Cart
Use the smaller thumbscrew to attach the mounting
bracket to the accessory tray of a PASCO Cart. Use
the larger thumbscrew to attach the sensor to the
mounting bracket.
Suggested Activities
• Acceleration on an inclined plane.
• Roller coaster amusement park physics.
• Hiking, mountain biking, skiing.
• Starting, stopping, turning a vehicle.
Sample Data
Acceleration and altitude data from a roller coaster.
Technical Support
For assistance with any PASCO product, contact
PASCO at:
More Information
For the latest information about the sensor, visit the
PASCO web site at www.pasco.com and enter the
product number or the product name in the Search
window.
Limited Warranty
For a description of the product warranty, see the PASCO catalog or
the PASCO web site at: www.pasco.com/legal.
Copyright
This document is copyrighted with all rights reserved. Permission is
granted to non-profit educational institutions for reproduction of any
part of this manual, providing the reproductions are used only in their
laboratories and classrooms, and are not sold for profit.
Reproduction under any other circumstances, without the written
consent of PASCO scientific, is prohibited. Version: 2016-05-04.
Trademarks
PASCO, PASCO scientific, PASCO Capstone, SPARK SLS,
SPARKvue and PASPORT are trademarks or registered trademarks
of PASCO scientific, in the United States and/or in other countries.
All other brands, products, or service names are or may be
trademarks or service marks of, and are used to identify, products or
services of, their respective owners. For more information visit
www.pasco.com/legal.
Item
1. Mounting Bracket
2. Larger Thumbscrew
3. Smaller Thumbscrew
Threaded hole
(1)
(2)
(3)
Cart
Address: PASCO scientific
10101 Foothills Blvd.
Roseville, CA 95747-7100
Phone: 916-786-3800 (worldwide)
800-772-8700 (U.S.)
Web: www.pasco.com
Email: [email protected]
PS-2136A Technical Support
5
012-08511D
Product End of Life Disposal Instructions:
This electronic product is subject to disposal and
recycling regulations that vary by country and
region. It is your responsibility to recycle your
electronic equipment per your local environmental
laws and regulations to ensure that it will be recycled
in a manner that protects human health and the
environment. To find out where you can drop off
your waste equipment for recycling, please contact
your local waste recycle/disposal service, or the
place where you purchased the product.
The European Union WEEE (Waste
Electronic and Electrical Equipment)
symbol (to the right) and on the
product or its packaging indicates
that this product must not be
disposed of in a standard waste
container.
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