Omega Products PGT-45B-100 User Manual
OMEGA®TEST GAUGES—TYPE T
HIGH ACCURACY AND MONEL®WETTED PARTS
41⁄2, 6, 81⁄2" DIALS
PGT Series
Monel Wetted
Parts on
All Ranges
PRESSURE
GAUGES
Starts at
$
390
†
Optional
⻬ High Accuracy: 0.25%
⻬ Stem and Panel Mount
⻬ Mirrored Scale
⻬ Monel
⻬ 4
The OMEGA®test gauge line
consists of highly accurate gauges
designed for use in instrument
shops, plants of all types, and
laboratories throughout industry.
Most models provide sustained
accuracy to 0.25% full scale.
Performance, reliability, and
precision measurement are
coupled with consistency in
meeting the demanding
service needs of numerous
test gauge applications.
OMEGA®test gauges are used
as master reference gauges,
in test stand measurements,
for production inspection,
and for verifying the accuracy
of general service gauges.
The gauge dial has a
stainless steel mirror ring for
pointer reflection, which
prevents parallax error. This
mirror surface reflects the pointer
in any position and allows the
gauge to be read with great
accuracy. The lightweight, frictionadjustable balanced pointer with
knife-edge tip ensures reading to
the smallest subdivision. The
accented dial graduations have a
true width equivalent to 0.25%
tolerance for quick and accurate
gauge checking.
®
1
⁄2, 6, or 81⁄2" Dials
Wetted Parts
PGT-85L-100, $745,
shown smaller than
actual size. See next
page for dimensions.
PGT-60B-100, back mount, $480,
shown smaller than actual size.
See next page for dimensions.
Warning:
all gauge components should be
chosen with an eye to the media
and ambient operating conditions
to which they will be exposed.
Improper application can be
detrimental to the gauge, causing
failure and possible personal injury
and property damage.
†
Refer to the accessories chart on page
G-62 for NIST calibration ordering information.
To prevent misapplication,
G-60
G
PGT-45L-100, stem or flush
mount, $390, shown smaller
than actual size. See next
page for dimensions.
TEST GAUGES—HIGH ACCURACY WITH MONEL®WETTED PARTS
A
3 MOUNTING STUDS
G
D
B
M
Hole in
Panel
H
B
T
F
C
K
LL
CC threaded equally spaced
on E dia. B.C. (back connection only)
U
S
Dimensions: mm (in)
DIAL
SIZE
1
2
/
4
"
6"
1
2
/
8
"
ABCD EFGHKMS&T U CC LL
155 73 121 30 137 41 100 35 34 124 16 19
3
(
)(
6
⁄
32
192 73 121 30 178 41 114 35 34 165 16 19
9
(
) (
7
⁄
16
257 73 121 30 244 41 152 35 34 229 16 19
1
(
)(
10
⁄
16
Lower Mount
7
2
⁄
7
2
⁄
7
2
⁄
)(
4
8
) (
4
8
)(
4
8
3
)(
⁄
4
3
)(
⁄
4
3
)(
⁄
4
3
1
⁄
16
3
1
⁄
16
3
1
⁄
16
3
)(
)(
5
⁄
8
)(7)(
5
)(
)(
9
⁄
8
5
1
5
1
5
1
15
)(
⁄
8
) (
⁄
8
)(6)(
⁄
8
3
⁄
16
1
4
⁄
2
)(
)(
3
)(
1
⁄
8
3
)(
1
⁄
8
3
)(
1
⁄
8
Back Mount
11
1
/
11
1
/
11
1
/
7
) (4
32
) (6
32
)(9)(
32
)(
⁄
8
1
)(
⁄
2
5
⁄
8
5
⁄
8
5
⁄
8
3
)(
)(
)(
⁄
3
⁄
3
⁄
#10-24
)(
4
1
⁄4-20
)(
4
1
⁄4-20
)(
4
3 to 13
1
to
⁄
8
3 to 13
1
to
⁄
8
3 to 13
1
to
⁄
8
1
)
⁄
2
1
)
⁄
2
1
)
⁄
2
SPECIFICATIONS
Case: Solid aluminum with epoxy-
coated black finish
Window: Glass
Movement: Stainless steel
Bourdon Tube: Monel
Connection: Monel
Fitting:
Dial: Externally adjustable, aluminum,
white background, black graduations
and polished mirror band
Mounting:
Accuracy: 0.25% FS
Ring:
Safety Features: Solid front with pressure
relief back
Media Temperature: 66°C (150°F)
[models will withstand continuous
temperature up to 177°C (350°F), but there
will be discoloration of case and dial face]
Temperature Compensation:
0.005% FS/°F
1
⁄2 NPT
Stem: Lower connection
Panel or Stem: Back connection
Lower Connection Model:
Threaded aluminum
Back Connection Model: Mounting
flange, hinged cover ring secured by
knurled screw
Ordering Example:
1. Pressure Gauge:
Test Type
2. Dial Size: 41⁄2 "
3. Connection: Lower (L) or Back (B)
4. Range Code: See p. G-62
G-61
PGT-45L-100, stem or flush
mount, $390, shown
smaller than actual size.
See dimensions above.
PGT-45q– Range Code
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