PASCO PS-2128 Visual Accelerometer - Manual (Page 7)

Visual Accelerometer Model No. PS-2128
6 ®
Inserting/Replacing the Batteries
When the Accelerometer is operating on batteries alone, a battery test
is performed when you turn on the unit. When the first red and first
green light on each scale alternately flash on and off, you have a low
battery condition. To replace the batteries, do the following:
1. Turn the power off and/or disconnect the PASPORT extension cable.
CAUTION: In the case of a malfunction, do not tamper with any of
the internal components on the circuit board of the Visual
Accelerometer. Refer to the Troubleshooting section (Appendix B) or
call Technical Support for assistance or a replacement (See
Appendices C and D).
2. Loosen the screws on the underside of the casing.
3. Remove the bottom casing and replace the
batteries in the orientation shown in Figure
3. (Note: The Accelerometer will turn on
as the last battery is installed.)
4. Realign the bottom casing with the top
casing. Replace the screws and tighten.
Zeroing the Visual Accelerometer
The Visual Accelerometer was calibrated at the factory and does not
require calibration. However, if you plan to use the Visual
Accelerometer in an inclined (or other than horizontal position), you
should always zero the Accelerometer in the same position that you
plan to use during an experiment.
Note: The Visual Accelerometer only measures acceleration
measurements in a single plane. If you need to simultaneously
measure acceleration in multiple planes, order a PS-2118 or PS-2119
Acceleration Sensor from PASCO.
To zero the sensor:
1. Place the sensor in a resting position (in the same orientation that you
plan to use during the experiment).
2. Press and release the black button on the side of the sensor. (The
sensor requires about one second to complete the zeroing function.
Try not to move or jar the sensor during this operation.)
3. To verify the zero, open DataStudio and click the Start button. Your
reading should be zero.
Figure 3