Seaward KD1E - Manual (Page 17)

KD1E Range Operating Instructions
15
9.2.3 Push the brass tip on the proving unit onto the
exposed contact electrode of the potential indicator.
9.2.4 Press the pushbutton on the proving unit. The
neon’s on neon potential indicator models will
illuminate to prove the indicator is operational. The
display on digital tential indicators will indicate a
voltage of greater than 1.1kV.
Warning – Do not touch the earth terminal and
the brass tip on the proving unit simultaneously.
When the push button is pressed 1.3KV is
generated between these points.
9.2.5 On completion of the proving test, release the push
button, disconnect the earth clamp from the knurled
nut and remove the proving unit brass tip from the
exposed metal head of the potential indicator.