Engineered for precision, portability, and durability, the Gould Instruments Hydrant Pro GI-HP500 is the smart choice for professionals conducting fire hydrant flow and pressure testing across Australia. Designed with a stainless steel flow chamber and a high-visibility backlit LCD, it offers reliable digital readings for both flow and pressure in a rugged, field-ready package. Whether you’re testing for AS 2419 compliance, commissioning new hydrant lines, or auditing council infrastructure, the Hydrant Pro delivers results you can trust — fast. ✅ Key Features: Model: GI-HP500 Flow Range: 2–42 litres per second Flow Resolution: 0.01 L/s Flow Totaliser: Resettable in 0.1 L increments Accuracy: ±1.5% Pressure Range: 0–1600 kPa Pressure Resolution: 1 kPa Display: Large, backlit LCD for easy viewing in all conditions Battery: Rechargeable lithium with USB port Flow Chamber: 316 stainless steel (test pressure rated to 1600 kPa) Enclosure: 3D printed PETG body with rubberised feet + impact-absorbing end caps Weight: Approx. 5.8 kg (*excluding fittings) Transit Case: Heavy-duty, padded case with wheels and retractable handle 🧰 Ideal For: Fire hydrant commissioning & certification Council hydrant audits Building compliance checks (AS 2419.1) Hydraulic consultants & infrastructure engineers Fire safety contractors 💡 Why Choose the Hydrant Pro? Unlike analogue gauges or makeshift rigs, the Hydrant Pro GI-HP500 gives you digital flow and pressure readings in real-time, with exceptional accuracy and a totaliser for flow volume tracking. Built tough with a stainless steel flow chamber, this unit is made to withstand demanding field use — and comes packed in a rugged transit case for go-anywhere testing. 📦 In stock and shipping Australia-wide⚙️ Fully supported with calibration services and technical advice🛠️ Trusted by fire service professionals, councils, and testing contractors