28119 Parallax Inc, 28119 Datasheet - Page 21

• Manufacturer Part Number: 28119
• Description: KIT UNDERSTANDING SIGNALS
• Manufacturer: Parallax Inc

Specifications of 28119

• Lead Free Status: Contains lead
• Accessory Type: Oscilloscope
• Interface Type: USB
• For Use With/related Products: BASIC Stamp® 2 and Board of Education
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

The Reset Plots button will reset all plots to their default values. This button allows you to
zoom out after you have zoomed in, and will also reset the Autoscale .
Measurements Tab
The Measurements tab displays the automatic measurements for both channels. Each time
a new screen shot of data is displayed the measurements are recalculated. Here is a quick
description of each measurement:
MAX is the maximum the signal reached in the acquisition.
MIN is the minimum the signal reached in the acquisition.
Pk - Pk is the peak to peak voltage of the signal, calculated from MAX and MIN .
MEAN is the mean average voltage of the signal.
PERIOD is the time measured between two rising edges.
FREQ is the frequency of the signal (1/ PERIOD ).
ACTIVITIES PREPARATION
You should already have your OPTAscope 81M connected to your PC and its software
up and running.
www.parallax.com
You will also need to have your Board of Education with a BASIC Stamp 2, or your
HomeWork Board, connected to your PC. You will need the BASIC Stamp Editor v 2.0,
available on a May 2003 or newer Parallax CD, or as a free download from
www.parallax.com.
Cursor menu functions can also be accessed by right-clicking on the Plot Area.
You may also check for the latest OPTAscope software at
Figure 1-13:
Measurements
Tab