Table Of Contents - TESTO 6457 Instruction Manual

Table of contents

1 GENERAL INFORMATION ........................................................................... 5
1.1 Incoming goods inspection, transportation and storage ......................... 5
• Make sure that the packaging is undamaged! ............................................5
• Make sure that the contents are not damaged!...........................................5
• If you have any questions, please contact your supplier or their sales
office. .......................................................................................................5
2 SAFETY PRECAUTIONS .............................................................................. 6
Read this instruction manual before commissioning the compressed air
meter. Store this instruction manual in a location that is accessible
for all users at all times. .........................................................................6
2.1 Intended use .......................................................................................... 6
2.2 Installation, commissioning and operation .............................................. 7
As the user, you are responsible for compliance with all valid safety
regulations, including: ...........................................................................7
• The authorised personnel must have read and understood this
instruction manual and comply with the instructions set out in it. .....7
2.3 Exclusion of liability ................................................................................ 8
3 DESIGN AND FUNCTION / SCOPE OF DELIVERY ..................................... 9
3.1 Electric sensor unit quick-change fitting ............................................... 10
Absolute measuring range ............................................................................... 10
3.2 Aluminium quick-change fitting with Compac flange ............................ 11
3.3 Compac welding neck flange (V flange) steel ...................................... 11
3.4 Dummy plug ......................................................................................... 11
3.5 Measuring station ................................................................................. 12
3.6 ISO calibration certificate ..................................................................... 12
4 TECHNICAL DATA ..................................................................................... 13
4.1 Thermal mass flow sensor ................................................................... 13
Output signals ................................................................................................... 13
4.2 Accessories .......................................................................................... 14
4.2.1
4.2.2
4.2.3
• ISO certificate .............................................................................................. 14
• Sensor parameter setting for CO2 and N2 ................................................ 15
4.3 Function ............................................................................................... 15
4.3.1
4.3.2
4.3.3
Replacement sensor .............................................................. 14
Connecting cable with electric isolation ................................. 14
Calibration options ................................................................. 14
Processing the measuring signals ......................................... 15
Switching output .................................................................... 16
Analog output ........................................................................ 17