Flow Measure & Weir Gauges
Whether you’re commissioning a combi boiler, checking airflow, or assessing central heating efficiency, BES stocks a specialist selection of flow measurement and weir gauge tools designed for heating, ventilation and plumbing professionals. From Vane and Thermal Anemometers to water flow cups and hardness test kits, we supply accurate, reliable tools that support better diagnostics, compliance and performance across HVAC and plumbing systems.
We also offer digital smart probes, survey kits, and multifunction testing tools to simplify on-site commissioning and maintenance work, all from trusted brands such as Testo, TPI and CalTest. Order online today to benefit from competitive prices and next working day delivery or click-and-collect.
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A Wide Selection Of Flow Measurement & Weir Gauges
At BES, we’ve selected instruments that support accuracy, portability and ease of use and that are ideal for field engineers and heating professionals looking to diagnose and commission systems quickly and effectively
Designed to measure domestic water flow rates from taps and outlets, these are essential tools when commissioning combi boilers. Choose from options like the Water Flow Cup Weir Gauge Dual Measure and the Hayes UK U-Flow Measuring Cup, offering clear dual-scale readings.
Our Testo 417 Compact Class range includes standalone units and complete kits with accessories. Whether you need the base Testo 417, the Kit 1 or Kit 2, or the Part F Kit, each offers high-precision airflow and volumetric flow measurements, ideal for HVAC and ductwork assessments. The Testo 416 also provides a compact, handheld solution with a telescopic probe.
Ideal for low air velocity measurement and temperature analysis, thermal anemometers like the Testo 425 Compact Class and the TPI SP341 Smart Probe are essential for accurate HVAC diagnostics.
Smart Probe & Digital Anemometers
For wireless, app-connected airflow testing, we offer smart probe options including the Testo 410i Vane Anemometer and the Testo 405i Thermal Anemometer, perfect for mobile diagnostics. The TPI SP341 adds further versatility with a combined velocity and temperature reading, ideal for heating and air balancing.
The Testo Smart Probe VAC Set includes multiple probes in a compact kit for measuring flow, temperature and pressure in air conditioning systems. It’s perfect for engineers who need a flexible, smart toolset for mobile HVAC/R work.
For comprehensive diagnostics, the Testo HVAC/R Ultimate Kit includes a suite of wireless smart probes for temperature, pressure and flow measurement, a complete solution for professional installers and service engineers.
Detect scaling risks quickly with the CalTest Water Hardness Testing Kit, helping identify problems in central heating or hot water systems. Ideal for compliance checks and flushing diagnostics.
Test With Confidence – BES Supplies The Trade
At BES, we know that reliable heating and plumbing testing tools are key to efficient diagnostics and safe commissioning. That’s why we stock only quality-approved measuring instruments and testing kits to help heating and HVAC engineers meet their responsibilities with confidence. With fast UK delivery and expert customer service, we’re here to help keep your jobs on track.
Need help? Call our technical team on 0800 801090.
