GNW
1650

General Purpose Pressure Gauge for Hydraulic & Pneumatic Use

The GNW 50mm Bottom Entry General Purpose Pressure Gauge is a reliable and versatile instrument designed for everyday hydraulic and pneumatic applications. With a larger 50mm dial offering improved readability, it’s ideal for plant equipment, workshop installations and machinery where clear pressure indication is required.

Available in a range of dual-scale bar/psi ranges from -1/0 bar compound up to 0–28 bar (0–400 psi), this gauge is supplied with a 1/8" BSPT bottom connection as standard. An optional traceable calibration certificate is available for compliance and documentation.

Key Features

  • 50mm Dial: Larger dial for enhanced visibility.
  • General Purpose Construction: Brass connection, sensitive element and movement for everyday industrial use.
  • Durable Case: Black enamelled steel case for long service in standard environments.
  • Dual Scale Dial: PSI outer scale with Bar inner scale for quick, accurate readings.
  • Bottom Entry Connection: 1/8" BSPT as standard for straightforward installation.
  • Optional Calibration: Add a traceable calibration certificate at checkout.

Technical Specifications

Parameter Specification
Dial Size 50 mm
Connection Bottom Entry, 1/8" BSPT (standard)
Case Black enamelled steel
Bezel Push fit window
Window Acrylic
Wetted Parts Brass (connection, element, movement)
Joints Soldered silver alloy
Dial Stoved enamel on aluminium
Pointer Black aluminium
Accuracy Class 2.5
Scale Dual: PSI (outer) / Bar (inner)
Ranges Available -1/0 bar & -30/0"Hg up to 0/28 bar (0/400 psi)
Calibration Optional Traceable Calibration Certificate

Applications

  • Hydraulic Systems – Clear pressure monitoring for general plant and workshop use.
  • Pneumatic Installations – Compressed air pressure indication in industrial environments.
  • OEM & Workshop Equipment – Improved dial visibility for machines and test rigs.
  • General Industrial Use – Everyday monitoring where brass wetted parts are suitable.
50mm Bottom Entry General Purpose Pressure Gauge
1650

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