Tektronix IsoVu TIVM Series, User Manual

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Operating information
While measuring high frequency common mode signals, there is a risk of
RF burns. Refer to the following derating curve to identify the danger areas.
Measuring common mode signals within the light gray area can result in RF burns
while directly contacting the sensor head. Measuring common mode signals
within the dark gray shaded area can result in RF burns when within 6 inches
(15.25 cm) of the sensor head.
Figure 1: Maximum safe handling limits for common mode voltages between the
sensor head and earth ground.
TIVM Series Measurement System User Manual 5