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Electrical Safety Analyzer
Simulating ECG Waveforms
51
Measuring Current
The Analyzer can make dc only, ac only, and ac+dc
current measurements up to 10 mA. To make a current
measurement:
1. Press the softkey labeled Leakage from the
Point-To-Point menu.
2. Using G or H select between ac only, dc only, or
ac+dc measurement mode.
3. Insert test leads in the RED (V/Ω/A ) and BLACK
jacks.
4. Place the leads on the two points the unknown
current may flow and read the measurement in the
Analyzer’s display.
Simulating ECG Waveforms
The Analyzer is capable of generating various waveforms
on the applied parts connection posts. These signals are
used to test the performance characteristics of ECG
monitors and ECG strip printers. See Figure 33 for proper
connections between the Analyzer and an ECG monitor.
For monitors using the snap style connectors, insert the
BJ2ECG adapter into the connectors at the top of the
Analyzer and connect the monitor leads to the snap
connectors on the adapter.
Note
If the ECG monitor/interpreter has banana posts
instead of snaps, use the optional universal snap
to banana adapter to connect to the Analyzer.
To access the ECG Simulation Waveform menu shown in
Figure 32, press C. From this menu, a number of
different waveforms are selected through F1, and the rate
or frequency of the waveform is selected through F2.
fis109.jpg
Figure 32. ECG Waveform Simulation Menu
To select one of the predefined waveforms, press the
softkey labeled Wave Form. A scroll box with K next to it
appears above the softkey label. Use G or H to scroll
through the different waveforms.
For all waveforms except VFIB and Triangle, the rate or
frequency of the waveform is adjusted through the softkey