What instrument is used to measure water pressure in sprinkler systems?

• A. Pressure Gauges
• B. Piping Support
• C. Open-Grid Ceilings
• D. Discharge Criteria

Answer: (A)

Measuring water pressure in sprinkler systems is done with a pressure gauge. Gauges are installed on the system’s riser or test connections so you can read the pressure inside the piping in psi or kPa, which helps verify that the pump and piping can deliver the required pressure and flow for the sprinkler design. The device works by translating fluid pressure into a readable dial, often using a Bourdon tube mechanism. This kind of instrument is essential during commissioning, testing, and normal operation to ensure the system stays within design parameters. The other options—piping support, open-grid ceilings, and discharge criteria—are not measurement tools: piping support is for securing the pipes, open-grid ceilings are an architectural feature, and discharge criteria relate to criteria for water discharge, not pressure measurement.