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DT137 Schematic ( PDF Datasheet ) - Fourier

Teilenummer DT137
Beschreibung Photo Gate Sensor
Hersteller Fourier
Logo Fourier Logo 




Gesamt 24 Seiten
DT137 Datasheet, Funktion
Photo Gate Sensor
DT137
The Photo Gate Sensor is a general-purpose photo gate that measures the time it
takes for an object to pass between its arms.
The Photo Gate sensor is used for a wide variety of experiments in physics and
physical science classes and is supplied with a mounting rod.
Typical Experiments
Measuring the free fall acceleration
Studying the swing of a pendulum
Measuring the speed of a rolling object
Measuring the speed of objects undergoing collisions
How it Works
The Photo Gate sensor has a narrow, infrared beam and fast response time, which
provides very accurate signals for timing. When the infrared beam between the
source and detector is blocked, the output of the photo gate is high (high voltage, 5
V, on the graph) and the light-emitting diode (LED) on the photo gate lights up. When
the beam is not blocked; the output is low (low voltage, 0 V, on the graph) and the
LED is off.
When working with the Fourier data logger and MultiLab software, it is recognized as
a 0-5 V sensor.
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DT137 Datasheet, Funktion
_ _ _ _ _TIMING _ _ _ _ _
Mode: Time Speed Acc
Measure: In1 –> In2
Card width: 30mm
Gates distance: 20cm
Start ( > )
1. Press Enter twice, and then use the arrow buttons to select the card (the
body that blocks the gate) width in mm between 0 to 59 mm.
2. Press Enter , and then use the Forward arrow button to select the
distance between the photogates in cm between 0 to 99 cm.
3. Press Enter , and then use the Forward arrow button to enter timing
standby mode.
Timing begins each time a body enters the first photo gate (Input 1) and ends
when leaving the second photo gate (Input 2). MultiLogPRO then displays the
elapsed time between entering the gates and the body's average velocity and
acceleration.
4. Use the arrow buttons to scroll between the time, speed and acceleration results.
5. Press Escape to return to the Timing menu.
6. Press Escape a second time to return to the main menu.
Using the Photo Gate Sensor with the MultiLogPRO or TriLink and
MultiLab Software
MultiLab enables you to measure timing events with MultiLogPRO's Timer module
using the Timing Wizard from the logger’s main menu.
To use the photo gates together with other sensors operate MultiLogPRO as a data
logger and then analyze the photo gate data with the aid of MultiLab's Timing
Wizard from the Analysis menu on the main toolbar.
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DT137 pdf, datenblatt
Working with the Timing Wizard from the Analysis Menu
The Timing Wizard, accessible via the Analysis menu on the on the main MultiLab
toolbar, enables you to easily measure and calculate many types of time events,
including velocity and acceleration, with one or two photo gates.
Connect one photo gate to Input 1 or connect two photo gates to Input 1 and Input 2
in MultiLogPRO and perform the experiment. The Timing Wizard will then guide you
through the analysis.
With the Timing Wizard you can measure sequences of time events at gate one
and/or at gate two, or time events between the two gates. MultiLab can then
calculate the velocity and acceleration. Special options make it easy to measure
velocities in collisions and the time period of a pendulum or any other oscillating
body.
The Timing Wizard can handle multiple events. For example, when a body is
crossing a photo gate several times, applying the Timing Wizard will result in a series
of measurements that match the number of crossings.
1. Display the data that you wish to analyze in the graph window.
2. Click Analysis on the main menu, and then click Timing Wizard to launch
step 1 of the Timing Wizard dialog:
3. Select the desired measurement: Time, Velocity or Acceleration.
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