Table Of Contents - TESTO 6446 Instruction Manual

Contents
GENERAL INFORMATION ........................................................................... 5
1
Incoming goods inspection, transportation and storage ....................................... 5
1.1
SAFETY PRECAUTIONS .............................................................................. 6
2
Intended use ......................................................................................................... 6
2.1
Installation, commissioning and operation ............................................................ 7
2.2
Exclusion of liability ............................................................................................... 8
2.3
DESIGN AND FUNCTION ............................................................................. 9
3
Electric sensor unit .............................................................................................. 10
3.1
Compac stainless steel sealing cone .................................................................. 12
3.2
Compac welding neck flange (V flange) steel ..................................................... 12
3.3
Dummy plugs included as standard .................................................................... 13
3.4
Measuring station ................................................................................................ 14
3.5
ISO calibration points .......................................................................................... 14
3.6
TECHNICAL DATA ..................................................................................... 15
4
Thermal mass flow sensor .................................................................................. 15
4.1
Accessories ......................................................................................................... 16
4.2
Connecting cable with electric isolation .................................................... 16
4.2.1
Replacement sensor ................................................................................. 16
4.2.2
Calibration options .................................................................................... 16
4.2.3
INSTALLATION ........................................................................................... 17
5
Determining the installation point ........................................................................ 17
5.1
Length measurements of the compressed air meter .......................................... 18
5.2
Installation position ............................................................................................. 19
5.3
Required measuring section ............................................................................... 20
5.4
Direction of flow .................................................................................................. 20
5.5
Installation of the compressed air meter ............................................................. 21
5.6
Installation of the measuring station ......................................................... 21
5.6.1
Installing the sensor in the measuring station .......................................... 22
5.6.2
22
Sensor replacement ............................................................................................ 23
5.7
Electrical connection ........................................................................................... 24
5.8
4-wire pin assignment ............................................................................... 24
5.8.1
5-wire pin assignment (accessory) ........................................................... 25
5.8.2