Testo 0635 1047 Thermal Anemometer Probe

Brand: Testo

SKU: 0635-1047

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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Description

Overview

The Testo 0635 1047 Thermal Anemometer Probe is designed to measure and inspect laboratory fume cupboards in conjunction with the testo 400 measuring instrument. Its thermal sensor measures low air velocities from 0 to 5 m/s with a fast response time of less than 0.5 s, and the probe head shows the correct reading even when its alignment is turned up to 20° from the exact flow direction. Compliance with EN 14175-3/-4 makes it a dependable tool for fume-hood safety verification.

Key Features

Purpose-designed for laboratory fume cupboard inspection with the testo 400
Thermal sensor measuring low velocities from 0 to 5 m/s
Fast response with a time constant of less than 0.5 s
Correct readings even at up to 20° misalignment to the flow
Complies with EN 14175-3, -4 (Draft) for fume-hood testing

Applications

Face velocity measurement on laboratory fume cupboards
EN 14175 fume-hood commissioning and safety inspection
Low air velocity measurement in controlled environments
Laboratory ventilation performance verification

What’s in the Box

1 x Testo 0635 1047 Thermal anemometer probe

Why buy from MME in UAE

MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Testo test and measurement equipment in the UAE. We offer genuine products, competitive pricing, and reliable local support across Dubai, Abu Dhabi, Sharjah and the wider Emirates. Download the datasheet

Specifications

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Thermal Sensor Specifications
Application temperature	0 to +50 °C / 32 to 122 °F
Sensor	Thermal
Measurement range	0 to 5.00 m/s
Accuracy (at 22 °C)	± (0.02 m/s + 5 % of reading)
Time constant	< 0.5 s
Adjustment	In free jet Ø 350 mm, reference pressure 1013 hPa, referred to testo reference DKD laboratory velocity.
Absolute pressure	Compensation in testo 400, testo 454
Standard	Corresponds to EN 14175-3, -4 (Draft)

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1 review for Testo 0635 1047 Thermal Anemometer Probe

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mohammadjasem – October 20, 2025

Rated 5 out of 5
The TESTO 0635 1047 probe provides incredibly accurate airflow measurements and is a great addition to our toolkit!

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