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Differential Pressure Gauges

Item# PGD-45B-100

Differential Pressure Gauges Differential Pressure Gauges
OMEGA’s PGD Series differential pressure gauges are rugged industrial gauges which indicate the difference between two input connections. Differential ranges provide the maximum resolution for applications where one input is always at a higher pressure than the other. In cases where one input can be higher or lower than the other, a bi-directional differential range should be used. The PGD Series is constructed with two independent Bourdon tubes. The opposing Bourdon tubes are linked to a single pinion gear which rotates a pointer for direct pressure readings. By using two independent Bourdon tubes, the gauge can handle liquids or gases on either or both ports. The large 4½" dial makes reading pressure easy. Each gauge is equipped with a micrometer adjustment for rezeroing the gauge. Gauges are available with ports located in the lower (six o’clock) position or in the rear for panel mounting.
PGD-45B-100
  • Heavy Duty Construction
  • Double-Strength Shatter-Resistant Glass
  • 2-1-2% ANSI Grade A Accuracy
Pressure Mode
Pressure Range
Pressure Port Type
Pressure Port Size
Accuracy Value
Display Window Diameter
Additional Features
See All Options
Quantity Price each
1-4 $1,130.00
5-9 $1,107.40
10-24 $1,084.80
25-49 $1,039.60
50-99 $1,028.30
100+ $1,017.00

In stock

Lead Time ( If not in Stock): 6 weeks

Product Specs

  • Accuracy Value 2-1-2%
  • Maximum Ambient Temperature 65°C (150°F)
  • Measurement Type Pressure
  • Wetted Materials Bronze Tube

OMEGA’s PGD Series differential pressure gauges are rugged industrial gauges which indicate the difference between two input connections. Differential ranges provide the maximum resolution for applications where one input is always at a higher pressure than the other. In cases where one input can be higher or lower than the other, a bi-directional differential range should be used. The PGD Series is constructed with two independent Bourdon tubes. The opposing Bourdon tubes are linked to a single pinion gear which rotates a pointer for direct pressure readings. By using two independent Bourdon tubes, the gauge can handle liquids or gases on either or both ports. The large 4½" dial makes reading pressure easy. Each gauge is equipped with a micrometer adjustment for rezeroing the gauge. Gauges are available with ports located in the lower (six o’clock) position or in the rear for panel mounting.

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