Introduction .................................................................................................................................3
Description of instrument ...........................................................................................................6
Function fields .......................................................................................................................8
Resetting instrument data ........................................................................................................16
Data management .....................................................................................................................17
Working with the barcode.........................................................................................................18
Examples of measuring tasks
Temperature measurement ..............................................................................................19
Humidity measurement ....................................................................................................24
aw value measurement .....................................................................................................28
Automatic storing..............................................................................................................30
Velocity measurement.......................................................................................................37
WBGT measurement.........................................................................................................44
NET measurement.............................................................................................................45
Pressure measurement .....................................................................................................46
rpm measurement .............................................................................................................46
Barometric measurement .................................................................................................48
Leak detection probe........................................................................................................49
CO measurement/ CO
Power supply.............................................................................................................................51
Update on disk ..........................................................................................................................52
Technical data ...........................................................................................................................53
Ordering data.............................................................................................................................55
...................................................................................................................................64
©
2002 Copyright Testo AG
The software and software structure included in the product testo 400 are protected by
copyright laws worldwide.
measurement .............................................................................50
2
The conformity certificate confirms that the instruments meet
89/336/EWG guidelines.
2
Contents