Marconi TF 933C User Manual

Sheets
and
boards
(e.g.
cardboard)
Thin
The
ring
and
plunger
of
the
test
cell
are
not
required
for
those
for the
sheets
should
be
folded
to
give
a
thickness
of
about
0.25
mm,
large
test
cell.
Fig. 2.2
Use
of
compression
cell
with
thin
sheet
materials
Place
the electrode
in position on
the base of the clamp.
Put
the
sheet to be
tested
on the
electrode and screw
down the clamp until
the two parts
of the
cylindrical
spring housing,
mounted on
the end of the screw, become flush.
2.5
READING
THE INSTRUMENT
Set ZERO
Slide the calculator scale
between the central
retaining clip and the BALANCE
scale graduations as shown
in Fig. 1.1.
Move the scale along until the
vertical index
line on the
central retaining clip is in alignment with
the ambient temperaluve on the
temperature scale. (See Sect. 2. G if the material
under
test is not at
ambient temp-
erature.)
Fig. 2.3
illustrates the sequence of
operations.
SET ZERO
Switch to ZERO.
The meter
pointer will
deflect.
Turn the
red ZERO
knob until
the
pointer
rests
at the
centre
mark.
933C
(la)
11

Marconi TF 933C Specifications

General

Brand	Marconi
Model	TF 933C
Category	Measuring Instruments
Language	English