PASCO ME-9893 Discover Free Fall Accessory - Manual (Page 5)

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M o d e l N o . M E - 9 8 8 9 T e s t D r o p
5
Test Drop
1. Press the PUSH TO DROP button on the drop box.
• If the object drops immediately, no adjustment is necessary.
• If the object does not drop or drops after a delay, add a sticker to the object to
increase the space between the steel part of the object and the drop box mag-
net.
2. Hang the object from the drop box and retest if necessary.
Timing Option 1: Smart Timer
Set-up
1. Connect the Smart Timer’s AC adapter to its power port.
2. Turn on the Smart Timer.
3. Connect the remaining plug of the timer switch to channel 1 of the Smart
Timer.
4. Connect the time-of-flight pad to channel 2 of the Smart Timer.
5. On the Smart Timer, press the 1 Select Measurement button once to
select Time.
6. Press the 2 Select Mode button several times to select Two Gates mode.
Data Collection
1. On the Smart Timer, press the 3 Start/Stop button.
Result: The Smart Timer beeps and an asterisk (*) appears on the display
to indicate that it is ready to start timing.
2. Press the timer switch button.
Result: The object is released from the drop box. When the object hits the
time-of-flight pad, the Smart Timer displays the fall time.
To time another object: hang the object from the drop box, wait until the LED on the
drop box stops blinking, and repeat steps 1 and 2.
ME-8930
SMART TIMER
SPEED
Select
Mode
Start/Stop
One Gate Fence Two Pendulum Stopwatch
One Gate
(cm/s)
Collision
(cm/s)
Pulley
(rad/s)
Pulley
(rev/s)
ACCEL
One Gate
(cm/s 2 )
Linear Pulley
(cm/s 2 )
Angular Pulley
(rad/s 2 )
Two
Gates
COUNT
Counts For:
60 seconds 5 minutes Manual 30 seconds
TEST Blocked Unblocked
Select
Measurement
TIME
1 2 3
1 2 1
Select
Time
Select
Two Gates
Press before
releasing ball
Time: Two Gates
*