User manual

ManualsBrandsTESTO ManualsEnvironmental Testing EquipmentAnemometer 425 0 up to 20 m/s Hot wire sensor Calibrated to Manufacturer standards

Bedienungsanleitung de

Instruction manual en

Mode d’emploi fr

Contents

General notes ....................................................18

1. Safety advice......................................................18

2. Intended purpose ..............................................19

3. Product description............................................20

3.1 Display and control elements ........................................21

3.2 Voltage supply ..............................................................22

4. Commissioning ..................................................22

5. Operation ..........................................................23

5.1 Connecting a probe ......................................................24

5.2 Switching the instrument on / off ..................................24

5.3 Switching the display light on / off ................................24

5.4 Performing settings ......................................................24

6. Measuring ..........................................................26

7. Care and maintenance ......................................28

8. Questions and answers......................................29

9. Technical data ....................................................30

10. Accessories/spare parts ....................................31

testo 425

Thermal anemometer