100 mm Pressure Gauges

Discover our robust and accurate 100 mm pressure gauges, offering clear visibility and precision for industrial, commercial and HVAC applications. Available in bottom or back entry formats, in stainless or general-purpose steel construction, with a wide range of pressure and temperature options.

Large, Readable Dials & Mounting Flexibility

• Generous 100 mm dial size ensures excellent readability from a distance or under poor visibility conditions.
• Available in both bottom entry and back entry models for convenient installation in various panel or pipe layouts.
• Chassis options include durable general-purpose metals, stainless steel, or sealed cases for harsh or hygienic environments.

Durability & Construction Quality

• Stainless steel construction (case and internals) for superior corrosion resistance and industrial toughness.
• Liquid-filled or dry cases to protect against vibration and pulsation, enhancing operational stability.
• Options include safety features like blow-out backs and laminated safety glass for enhanced operator protection.

Pressure Ranges & Precision

• Wide range coverage—from vacuum and low-pressure ranges up to high pressure (hundreds to over 1000 bar), configurable to suit your application.
• Accurate readings adhering to EN 837-1 Class 1.0 or better, with calibration available for regulated environments.
• Sealed case variants maintain performance even in damp or dusty environments.

Typical Use & Industries

• Ideal for HVAC systems, heating plant rooms, and utility monitoring where quick glance readouts are essential.
• Highly suited to manufacturing, process control, water utilities, automotive workshops, and engineering facilities.
• Reliable for harsh environments and OEM instrument panels where visibility, accuracy, and robustness are priorities.

Our 100 mm pressure gauges combine large, clear dials with rugged build quality and flexible mounting to meet demanding industrial needs. Choose your preferred entry type, case material, and sealing options for dependable performance in any environment.

Need help selecting the right model? Contact GNW Instrumentation for expert advice on materials, pressure ranges, mounting formats, and calibration options.