Monroe Electronics Electrostatic Fieldmeter - Static Monitor - model 177A - Manual (Page 72)

APNE-0016 71
are there
conductive layers
inside web, or will they be
applied in this
process?
starting web
material conductive?
(volume resistivity <10E6
ohm-cm?)
[4]
Start
starting
web top & bottom
surfaces: different chem.
and/or mech.
properties?
Simple "Net Charge" Static Survey
has web
ever received, or will
receive CDT in this
process?
will web be
rotogravure printed
or go through pinch
rollers?
to
pg2
no
no
finished web product
conductive?
Stop
yes
no
no
no
web dielectric
breakdown strength
>4000 volts?
[5]
yes
yes
yes
yes
Stop! Hazardous
propagating brush
static discharges
possible from
charges bound
inside web
Obtain expert
advice!
yes
no
no
Static discharges
unlikely if all
conductors are
grounded
yes
Note:
CDT = corona
discharge
treatment
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