Manometers, also known as pressure meters, are scientific instruments used for the measurement of air pressure, gas, or fluid pressure. These handheld, battery-operated gauges feature LCD displays so results can be read easily. Some units also have a backlight function for low light conditions. Many manometers come with software that allows data to be transferred to laptops, smartphones or tablets for storage or analysis. You can find out more in our guide to manometers.  

Digital manometers are essential for routine pressure testing, troubleshooting system failures, and for seeking out leaks. At RS we offer a range of high-quality manometers from industry-leading brands including Druck, Digitron, Testo, Comark, and of course RS PRO. We also offer in-house calibration services for your manometer if required.  

If you need to quickly convert units of pressure, why not use our pressure unit conversion calculator? Our calculator makes it simple to convert one unit of pressure to another, including ATM pressure units and other common measurements of pressure.

What are manometers used for?

Digital manometers are suitable for measuring absolute pressure, differential pressure, and gauge pressure. They are used across a range of applications:

• Refrigeration: Measuring gauge pressure, vacuum, and temperature in refrigeration systems
• Gas: Used to establish flow and static pressure in gas systems, for pressure-drop testing in gas pipes and test and calibrate gas regulators to maintain proper pressure levels,
• HVAC: Measure static pressure in ductwork to ensure proper airflow and system efficiency and to measure airflow velocity and differential pressure in HVAC systems. They help balance HVAC systems by measuring pressure differences and adjusting components accordingly.
• ATEX manometers are specifically designed for use in hazardous environments, where they ensure safe pressure measurement without the risk of igniting explosive atmospheres.