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Thermal flow velocity probe (robust hot bulb) 3mm diameter

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For use with the Testo 480 multifunctional climate measurement unit

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Product Description

Overview

Use the hot ball probe (thermal anemometer) to determine flow velocity and volume flow. It is particularly suitable for low flow velocities of up to +10 m/s – primarily for non-directional, undefined air flows. The probe can also measure temperatures of up to +70 °C at the same time.

The hot ball probe is equipped with a telescope, which can be extended to a maximum length of 860 mm. With a diameter of just 3 mm, the probe is ideal for measurements in narrow, inaccessible places.

Intelligent calibration concept

The probe offers maximum digital measurement reliability. The digital probe allows readings to be processed directly in the probe. This technology eliminates instrument measurement uncertainty. The probe can be returned on its own (without the measuring instrument) for calibration. Calculating the determined calibration data in the probe generates a zero-error display.

Key Features:

  • Non-directional flow measurement with unknown flow direction
  • Integrated temperature measurement and absolute pressure compensation for accurate measurement results
  • Intelligent calibration concept 
  • Flow measuring range: 0 to +10 m/s 

Temperature - NTC

Technical data 

Measuring range

-4.0° to 158.0 °F / -20 to +70 °C

Accuracy

±0.9 °F / ±0.5 °C

Velocity / Volume flow

Technical data 

Measuring range

0 to +1968 fpm / 0 to +10 m/s

Accuracy

±(5.90 fpm + 5 % of mv) / ±(0.03 m/s + 5 % of mv)

General technical data

Technical data 

Diameter probe shaft tip

0.1 in. / 3 mm

Length telescope

33.9 in. / 860 mm


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