User manual

A621 Instructions
1
Product Description
The Tektronix A621 current probe enables the display of current
waveforms up to 1000 amps RMS on Tektronix TDS, TAS, or
general purpose oscilloscopes. The A621 is especially useful where
the display and measurement of distorte d curre nt wave forms and
harmonics is required. The A621 is also compatible with DMMs by
using the BNC-to-banana plug adapter (recommended accessory, see
page 17 for more inform ation).
Current Flow Symbol
This arrow shows the probe’s polarity convention for measuring
current flowing from positive to negative.
1000
100
10
Range Switch
Slide to select the measurement range of the probe-
10/100/1000 A.