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The Testo 6446 is a compressed air meter designed for large pipe diameters, enabling accurate consumption, leak and flow measurement in bigger compressed-air mains. Precise measuring technology creates transparency around consumption, helping industrial users save energy, reduce costs and support environmental management systems such as ISO 50001 or ISO 14001.
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The Testo 6447 is a compressed air meter with an interchangeable fitting, allowing the sensor to be installed and removed conveniently for accurate consumption, leak and flow measurement. Precise measuring technology creates transparency around compressed-air consumption, helping industrial users save energy, reduce costs and support ISO 50001 or ISO 14001 management systems.
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The Testo 324 is a professional pressure and leakage measuring instrument for gas and water pipe testing. Its basic set includes a system case with feeding unit that safely feeds the system’s own gas via a gas bladder, so no hazardous gas-air mixture can form during the serviceability test, and stored TRGI guidelines walk the technician step by step through automatic tightness and pressure tests.
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The Testo 6443 is a DN40 compressed air meter for accurate consumption, leak and flow measurement from 1.3 … 410 m³/h. In industrial compressed-air systems, precise measuring technology creates transparency around consumption, helping you save energy, reduce costs and support environmental management systems such as ISO 50001 or ISO 14001.
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The Testo 0635 9552 is a 16 mm high-temperature vane anemometer probe measuring air velocity from 0.6 to 50 m/s and temperature from -30 to +140 °C. Its long 960 mm shaft is ideal for airflow and temperature measurements in warm ducts and outlets.
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The Testo 0635 1047 is a thermal anemometer probe designed to measure and inspect laboratory fume cupboards in conjunction with the testo 400. Measuring from 0 to 5 m/s with a fast response, it complies with EN 14175 for reliable fume-hood face velocity checks.
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The Testo 417 Set 1 combines the testo 417 vane anemometer with the testovent 417 funnel set for reliable flow velocity and volume flow measurement at ventilation grilles and poppet valves. The funnels overcome the turbulence and varying flow directions at outlets, ensuring simple, accurate testing of incoming and outgoing air in controlled ventilation systems.
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The Testo 417 Set 2 equips the testo 417 vane anemometer with two measurement funnels and a volume flow straightener for accurate flow measurement at plate outlets, ventilation grilles and swirl diffusers. Air turbulence is particularly strong at swirl outlets, and the included flow straightener overcomes it so precise volume flow readings can still be taken.
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The Testo 0635 9343 is a 100 mm vane/temperature probe for determining flow velocity and volume flow at ventilation outlets. Covering 0.1 to 15 m/s with integrated temperature measurement up to +60 °C, it is ideal for testing incoming and outgoing air at grilles and plate outlets.
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Achieve high accuracy airflow measurements with the TESTO Vane Probe, ideal for HVAC applications.
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The Testo 0635 9540 is a 16 mm vane probe with an integrated type K thermocouple, measuring air velocity from 0.6 to 60 m/s and temperature from -30 to +140 °C. It is ideal for high-velocity duct measurements where temperature is also required.
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The Testo 417 is an advanced air flow meter with an integrated 100 mm vane for measuring air velocity, temperature and volume flow in ventilation and air-conditioning systems. Precise and easy to use, this handheld instrument is a must-have for HVAC professionals, and works with optional funnels for quick volume flow measurement at air outlets.
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The Testo 6441 is a DN15 compressed air meter for accurate consumption, leak and flow measurement from 0.25 to 75 m³/h. In industrial compressed-air systems, precise measuring technology creates transparency around consumption, helping you save energy, reduce costs and support environmental management systems such as ISO 50001 or ISO 14001.
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The Testo 0632 1260 is a dual wall clearance (annular gap) probe for measuring O₂ in the supply air of concentric flue systems. Its curved shaft slides easily into the dual wall clearance so you can check for leaks and blockages with a compatible testo flue gas analyzer.
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The Testo 6456 is a DN65 compressed air meter with integrated display for accurate consumption, leak and flow measurement in larger compressed-air mains. Precise measuring technology creates transparency around consumption, helping industrial users save energy, reduce costs and support environmental management systems such as ISO 50001 or ISO 14001.
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The Testo 6453 is a DN40 compressed air meter with integrated display for accurate consumption, leak and flow measurement in your compressed-air system. Precise measuring technology creates transparency around consumption, helping industrial users save energy, reduce costs and support environmental management systems such as ISO 50001 or ISO 14001.
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The Testo 6452 is a DN25 compressed air meter with integrated display for accurate consumption, leak and flow measurement in your compressed-air system. Precise measuring technology creates transparency around consumption, helping industrial users save energy, reduce costs and support environmental management systems such as ISO 50001 or ISO 14001.
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The Testo 6454 is a DN50 compressed air meter with integrated display for accurate consumption, leak and flow measurement in your compressed-air system. Precise measuring technology creates transparency around consumption, helping industrial users save energy, reduce costs and support environmental management systems such as ISO 50001 or ISO 14001.
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The Testo 435-2 is a versatile indoor air quality and climate meter that lets you carry out all the measurements needed to inspect and adjust ventilation and air-conditioning systems and assess indoor air quality. With a wide range of plug-in probes plus an integrated differential pressure sensor and memory, it handles air velocity, temperature, humidity, CO₂ and pressure in one rugged instrument.
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The Testo 0632 1543 is an indoor air quality probe that measures CO₂, temperature, humidity and absolute pressure in one unit. Ideal for quickly checking the indoor climate in offices, production areas and warehouses, it makes CO₂ — the key indicator of air quality — easy to monitor with the testo 400 or 440.
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The Testo 0632 1535 is an indoor air quality probe that measures temperature, humidity, absolute pressure and CO₂ in one unit. Ideal for quickly checking the indoor climate in offices, production areas and warehouses, it makes CO₂ — the key indicator of air quality — easy to monitor.
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The Testo 0699 70771 is an air flow velocity matrix (approx. 360 x 360 mm) for accurate volume flow measurements on laminar flow supply air outlets. Used with a differential pressure instrument such as the testo 420 or 480, it is ideal for HEPA filters and safety cabinets in clean rooms.
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The Testo 0638 1841 is a high pressure probe measuring from -1 to +30 bar with ±1 % of full-scale accuracy. Rated for -40 to +100 °C and a high 120 bar overload, it is ideal for pressure measurement in refrigeration, heat pump and industrial systems.
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The Testo 0638 1447 is a precise 10 hPa differential pressure probe with ±0.03 hPa accuracy and fine 0.001 hPa resolution. Its metal housing and high 1,000 hPa static pressure rating make it ideal for accurate differential and flow pressure measurements.
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