Description
Product Overview
The Dwyer Instruments Model 2-5003 differential pressure gauge is engineered for accurate measurement of low‑range pressures in air handling and scientific applications. Constructed from robust materials, it features a clear removable lens and rear housing that simplify maintenance and reduce service costs. The gauge supports continuous pressures up to 30 psig (2.067 bar) and operates reliably between 20 °F and 120 °F (-6.67 °C to 48.9 °C). Standard barbed connections for 3/16″ ID tubing provide a secure, leak‑free fit, with an optional 1/8″ male NPT fitting for specialized setups.
![[Product front view showing all components]](https://www.thrustore.store/wp-content/uploads/2026/06/8e5160cd3b1446288af588a38312fdc9.jpg)
Usage
Ideal for air samplers, filter status monitoring, medical respiratory equipment, room positive pressure sensing, electronic air cooling systems, and duct pressure measurement, this gauge delivers consistent performance in laboratories, HVAC facilities, and industrial cleanrooms. Its compact size (3.5 x 2.9 x 2.4 in) and lightweight design (6 oz) make it easy to install in tight spaces and portable testing rigs.
Why Choose Us
Choosing Dwyer means selecting a manufacturer‑direct product with proven reliability and a reputation for precision instrumentation. Each gauge undergoes rigorous quality testing and is backed by responsive technical support, ensuring you receive a dependable tool that meets stringent industry standards.
Key Features
- Accurate pressure measurement up to 30 psig for critical monitoring tasks.
- Wide operating temperature range (20‑120 °F) suitable for diverse environments.
- Removable lens and rear housing enable quick, cost‑effective servicing.
- Barbed 3/16″ tubing connection ensures secure, leak‑free installation.
- Manufacturer‑direct support provides fast assistance and reliable after‑sales service.
FAQ
What is the maximum pressure this gauge can measure?
The gauge is rated for continuous pressures up to 30 psig (2.067 bar).
Can the gauge be used in humid or corrosive environments?
Yes, the housing material is resistant to typical humidity levels found in HVAC and laboratory settings, but it is not intended for highly corrosive chemicals.
How do I replace the lens for cleaning or calibration?
The rear housing unscrews easily, allowing you to remove the lens without special tools. Clean with a soft lint‑free cloth and reinstall.
Is an NPT connection available?
An optional 1/8″ male NPT fitting can be ordered to accommodate specific system requirements.
What warranty does Dwyer provide?
Dwyer offers a one‑year limited warranty covering manufacturing defects, backed by their dedicated technical support team.








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