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

HOW TO ORDER TYPE T
TEST GAUGES

DIAL DIA. MODEL NO. CONNECTION PRICE

1

⁄

"

4

2

6"

1

⁄

"

8

2

[*] Insert range code from table below. To order cleaned for oxygen service, add suffix
“-X6B” to model number and $65. Note: Precision test gauges cannot be oil filled.
Ordering Example: PGT-45B-300, test gauge with 4
0 to 300 psi range, $390.

Standard psi Ranges
Type T

RANGE & TAB MINOR MINOR MINOR

CODE RANGE INTERVAL GRAD GRAD GRAD

15 0/15 1 0.05 0.05 0.02
30 0/30 2.5 0.1 0.1 0.05

60 0/60 5 0.2 0.1 0.1
100 0/100 5 0.5 0.2 0.2
150 0/150 10 0.5 0.5 0.2
200 0/200 10 0.5 0.5 0.5
300 0/300 25 110.5
400 0/400 25 111
600 0/600 50 221
800 0/800 50 222

1000 0/1000 50 522
1500 0/1500 100 552
2000 0/2000 100 10 55
3000 0/3000 250 10 10 5

5000 0/5000 500 20 10 10
10,000 0/10,000 500 50 20 20

VACUUM

30V 30/0" Hg 2.5 0.1 0.1 0.05

COMPOUND

RANGE INCHES

CODE MERCURY psi inHg psi inHg psi inHg psi inHg psi

30V/15 30 inHg Vac/0/15 psi 530.2 0.1 0.2 0.1 0.1 0.05
30V/30 30 inHg Vac/0/30 psi 550.5 0.2 0.2 0.1 0.2 0.1
30V/60 30 inHg Vac/0/60 psi 550.5 0.2 0.5 0.2 0.5 0.2

30V/100 30 inHg Vac/0/100 psi 10 510.5 0.5 0.5 0.5 0.2
30V/150 30 inHg Vac/0/150 psi 10 10 1 0.5 1 0.5 0.5 0.5
30V/200 30 inHg Vac/0/200 psi 30 20 2110.5 1 0.5
30V/300 30 inHg Vac/0/300 psi 30 20 212 110.5
30V/400 30 inHg Vac/0/400 psi 30 20 522 12 1

See the following page for custom and metric ranges.

ACCESSORIES

MODEL NO. PRICE DESCRIPTION

EI-CAL-3-PRESSURE†$150 NIST-traceable calibration
PGT-CC 140 Universal carrying case for all size test gauges

PGT-45L-[*] Lower $390
PGT-45B-[*] Back 390
PGT-60L-[*] Lower 480
PGT-60B-[*] Back 480
PGT-85L-[*] Lower 745
PGT-85B-[*] Back 745

1

⁄2" dial, back connection,

MOST POPULAR MODELS HIGHLIGHTED!

1

⁄2" DIAL 6" DIAL 81⁄2" DIAL

FIGURE

RANGE 41⁄2" DIAL 6" DIAL 81⁄2" DIAL

4

FIGURE MINOR GRAD MINOR GRAD MINOR GRAD

PRESSURE

GAUGES

G

PGT-45L-100,
stem or flush
mount, $390,
shown smaller
than actual size.
See dimensions
on page G-61.

PGT-45B-100, back mount, $390,
shown smaller than actual size.
See dimensions on page G-61.

Recommended Reference Book:

Pump Handbook,

ME-0341, $150.

Visit omega.com/bobi

for Additional Books

G-62

SPECIAL METRIC RANGES FOR TYPE S (PAGES G-55 TO G-57)
AND TYPE T GAUGES (PAGES G-60 TO G-62)

TYPE S RANGE DIAL GRADUATIONS RANGE DIAL GRADUATIONS

OUTER SCALE
WHEN DUAL

2

kg/cm

PRESSURE

0/1 0/1 0.1 0.01 0/100 10 1 0/14
0/1.6 0/1.6 0.2 0.02 0/160 20 2 0/22
0/2.5 0/2.5 0.5 0.05 0/250 50 5 0/35
0/4 0/4 0.5 0.05 0/400 50 5 0/55
0/6 0/6 0.5 0.1 0/600 50 10 0/85
0/10 0/10 1 0.1 0/1000 100 10 0/140
0/16 0/16 2 0.2 0/1600 200 20 0/220
0/25 0/25 5 0.5 0/2500 500 50 0/350
0/40 0/40 5 0.5 0/4000 500 50 0/550
0/60 0/60 510/6000 500 100 0/850
0/100 0/100 10 1 0/10,000 1000 100 0/1400
0/160 0/160 20 2 0/16,000 2000 200 0/2200
0/250 0/250 50 5 0/25,000 5000 200 0/3500
0/400 0/400 50 5 0/40,000 5000 500 0/5500
0/600 0/600 50 10 0/60,000 5000 500 0/8500
0/1000 0/1000 100 10 0/100,000 10,000 1000 0/14,000

VACUUM

-1/0 -1/0 0.1 0.01 - 100/0 kPa 10 1 30/0 inHg

COMPOUND

-1/0/1.5 -1/0/1.5 0.5 0.05 - 100/0/150 kPa 50 5 30 inHg/0/20

-1/0/3 -1/0/3 0.5 0.05 - 100/0/300 kPa 50 5 30 inHg/0/40

-1/0/5 -1/0/5 0.5 0.1 - 100/0/500 kPa 50 10 30 inHg/0/70

-1/0/9 -1/0/9 1 0.1 - 100/0/900 kPa 100 10 30 inHg/0/125

bar

TYPE T RANGE

2

kg/cm

PRESSURE

0/1 0/1 0/100
0/1.6 0/1.6 0/160
0/2.5 0/2.5 0/250
0/4 0/4 0/400
0/6 0/6 0/600
0/10 0/10 0/1000
0/16 0/16 0/1600
0/25 0/25 0/2500
0/40 0/40 0/4000
0/60 0/60 0/6000
0/100 0/100 0/10,000
0/160 0/160 0/16,000
0/250 0/250 0/25,000
0/400 0/400 0/40,000
0/600 0/600 0/60,000

VACUUM

-1/0 -1/0 -100/0

COMPOUND

-1/0/1.5 -1/0/1.5 -100/0/150

-1/0/3 -1/0/3 -100/0/300

-1/0/5 -1/0/5 -100/0/500

-1/0/9 -1/0/9 -100/0/900

FIGURE MINOR FIGURE MINOR RANGE
INTERVAL

bar kPa

GRADUATION

kPa

- 100/01500 kPa 200 0 30 inHg/0/215

INTERVAL GRADUATION

PGS-25L-150, $80, shown
smaller than actual size.

SPECIFIED

PGT-45L-100, $390,
shown smaller than
actual size.

PGS-35L-30, $90, shown
smaller than actual size.

Ordering Special Ranges:

Type S and Type T custom dials are
available to fulfill the varying needs of
our customers. There is a $135 setup

fee and a 5-piece minimum order
per customized dial.

G-63

(psi)

One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | [e-mail]

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