700.05 Differential Pressure Gauges


  • For use in measurement applications requiring high differential / static process pressures.
  • Suitable for applications with particulate matter present in liquid/gas media or when separation of the media is required.

Product features

  • Magnetic piston sensing element
  • Rugged thermoplastic case
  • Buna-N separating diaphragm
  • 3000 psig (200 barg) maximum working pressure
  • Differential pressure ranges to 100 psid (7 bard)

Application Datasheet – Fill Out and Return for Most Accurate Quote



Pressure connections
¼” NPT female, back connection
½” NPT female, back connection, with adapters
¼” NPT female, top mount and bottom mount
½” NPT female, top mount and bottom, with adapters

Nominal Sizes
2½” & 4½” (63 & 115 mm)

Accuracy (on increasing pressure)
± 2% of span for ranges 0/15 psid (1 bard) and above
± 5% of span for ranges below 0/15 psid (1 bard)

Scale Ranges
0/50” H2Od through 0/100 psid
(0/125 mbard through 0/7 bard)

Maximum Safe Working Pressure
3000 psig (200 barg)

Operating Temperature
Ambient: -40°F to 212°F (-40°C to +100°C)
Media: -40°F to 212°F (-40°C to +100°C)

Weather protection
NEMA 4X (IP 66)

Sensing Element Internal Wetted Parts
Ceramic magnet and 316 SS

Sensor Block
Black anodized aluminum – standard
316L SS- optional

Elastomers (O-rings & diaphragm)
Buna-N – standard
Viton – optional

Case & Bezel
Fiberglass reinforced thermoplastic

White aluminum with black lettering

Black aluminum

Acrylic – standard
Laminated safety glass – optional

Dial Case filling
Glycerine – changes to Model 703.05
Silicone – changes to Model 703.05
No other case fills approved