CRL SG2700 Manual De Instrucciones

STRENGTHENED
GLASS DETECTOR
MODEL# SG2700
Figure 1: SG2700 inspecting a dual pane window. Note that one
each glass surface.
Column 4 on the left: Column 1 on the right:
off of bottom
surface of 2nd pane or contacting surface
SINGLE PANE/FIRST PANE DETECTION
1. the meter on the glass. You will Place
see two columns of light
column for each surface of the glass).
2. the meter over a large portion of the Slide
glass surface, and pay close attention to
the colors of the two columns of light.
3. THE GLASS IS STRENGTHENED IF:
• in column 2 CHANGE The
to a different color than column one.
This means that the meter is detect-
ing a stress line in the glass (strength-
ened). See Figure 2.
WARNING! Remember that you are looking
for a CHANGE in color of column 2, with re-
spect to column 1. It is possible that column
2 will start out as different color than column
1. This is NOT signifying strengthened glass.
You must see an actual change of color
(stress line) in column 2 to
strengthened. For soft coat (sputtered) Low-
E coatings and other specialty coatings, the
from the surface of glass contain-
ing the Low-E coating may appear as a differ-
ent color (typically green) than the uncoated
surface. Remember you are watching for
column 2 to change colors with respect to col-
umn 1 as you slide across the glass. If column
2 maintains the same color throughout the
travel across the glass, it is NOT strength-
ened.
DIFFERENCE between columns 1 and 2 indicates stress lines
2 1
Strengthened Glass
Both of the examples inside of this box show differences
between columns 2 as compared to column 1. In both in-
stances, this means the meter has detected stress lines
indicating that the glass is strengthened.
For best results in looking for color change in the left column (2), inspect a large portion of
the glass, and rotate the meter in place over suspected stress lines.
NO DIFFERENCE between columns 1 and 2 indicates no stress lines
2 1
In both of these examples, there is no difference between
columns 1 and 2. This means that the meter is not detect-
ing any stress lines which indicates that the sample is
regular, non-strengthened glass.
Take special notice of the example to the right. The colors near the top of both columns have
changed color, BUT since both columns changed together, this still means there is no indi-
cation of strengthened glass.
column occurs for
The Strengthened Glass De-
tector
glass, or a dual pane window
has been strengthened.
The SG2700 allows the user
to easily view the stress lines
that occur in glass that has
been strengthened. Therefore,
you can determine if the glass
has been strengthened. It also
will estimate the thickness of
the pane of glass.
off of surface
4. THE GLASS IS NOT STRENGTHENED
IF:
• column changes color Neither
(one
columns change color together • Both
can be very helpful to rotate the meter
5. It
in place over a suspected stress line. This
often makes it easier to
or not you are detecting a stress line.
Figure 2: of a single pane of glass in
the viewing window:
2 1
Column 2 on
the left hand
side represents
the opposite
surface of the
glass.
it is
Monitor the colors in column 2. If the colors
change to a color different than column 1 as
you travel across the glass, this represents
stress lines, indicating that your glass is
strengthened.
Note that the color change of column 2 com-
pared to column 1 in this example indicates
the glass is strengthened.
— or —
— or —
Regular Glass
FEATURES:
• or double pane testing accomplished Single
from a single side
• single panes of glass or double pane Test
windows in the production environment
• single or double pane windows that are Test
already installed in the
• viewing area illuminated by multiple Wide
light sources
• 1 glass thickness measurement Pane
if a piece of
• viewing of Head-on
measurement
• viewing optics to accentuate the Special
color changes
• the location of stress lines in the Identify
glass
• Automatic power-off feature to prolong the
life of the battery
• power usage allows for standard 9-volt Low
alkaline battery operation
• battery indicator Low
• operation Simple
SECOND PANE DETECTION
1. the meter on the glass. You will see Place
4 columns of light
for each surface of the glass).
2. the meter over a large portion of the Slide
glass surface, and pay close attention to
the colors of the two columns of light far-
thest to the left (columns 3 and 4).
3. THE GLASS IS STRENGTHENED IF:
The •
whether
a different color than column 3 as you
slide the meter across the glass. This
means that the meter is detecting a
stress line created during the strength-
ening process
4. THE GLASS IS NOT STRENGTHENED
IF:
• column (3 or 4) changes color
columns (3 & 4) change color to- •
Column 1 on
gether
the right hand
5. can be very helpful to rotate the meter It
side represents
in place over a suspected stress line. This
the surface of
the glass that often makes it easier to
the meter is
or not you are detecting a stress line.
touching.
DIFFERENCE
4 3 2 1
Both of the examples inside this box show differences between columns 3 and 4. In both
instances, this means that the meter has detected stress lines indicating that the second
2 1
pane of glass is strengthened.
NO DIFFERENCE
In this example, there is no difference between columns 3 and 4. This
means that the meter is not detecting any stress lines in pane 2, which
indicates that the sample is regular, non-strengthened glass.
2 1
1
•
•
•
BASIC OPERATION
Place the SG2700
be tested. When possible, place the meter
on the side of the glass that will allow for the
darkest background behind the glass. Turn
for easy the meter on, and look through the special-
ized viewing port to view
glass surface. Single panes of glass will re-
sult in two columns of
each glass surface) while double pane win-
dows will result in four columns of
tions in the viewing port head-on, not at
an angle. You will use these
determine if the glass has been strength-
ened.
Figure 3:
glass
(one column
Column 3
(second from
left) represents
the closest
surface of
the second
pane of glass.
in column 4 CHANGE to Column 4
(farthest to the
left) represents
the opposite
surface of the
second pane of
glass.
For second pane detection, monitor the col-
ors in column 4. If the colors change to a
Neither
different color than column 3 as you slide
Both
across the glass, this represents stress lines
indicating that your second pane of glass is
strengthened.
whether
Note that the color change of column 4 with
respect to column 3 in this example indicates
that the second pane of glass is strengthened.
between columns 3 and 4 indicates Stress lines
— or —
Strengthened Glass in pane 2
Both of the examples inside this box show differences
between columns 3 and 4. In both instances, this means
that the meter has detected stress lines indicating that
the second pane of glass is strengthened.
between columns 3 and 4 indicates no stress lines
— or —
Regular Glass in pane 2
PHONE TOLL FREE
FAX TOLL FREE
Convenient push-on/push-off power switch
portable convenient size Small,
Protective carrying case
against the glass to
off the
(one from
-
to
shown from 2 panes of
Column 1
(farthest to
the right)
4 3 2 1
represents the
surface of glass
the meter is
touching.
Column 2
(second from
right)
represents the
opposite sur-
face of the
pane of glass.
4 3 2 1
4 3 2 1
(800) 421-6144
(800) 262-3299