Table Of Contents - TESTO 6681 Instruction Manual

Contents
1 T
RANSMITTER
1.1 Specifications ........................................................................................... 6
1.1.1 Functions and use....................................................................... 6
1.1.2 Scope of delivery ........................................................................ 6
1.1.3 Accessories ................................................................................. 7
1.1.4 Technical Data ............................................................................ 7
1.1.5 Dimensions ................................................................................. 8
1.2 Product description .................................................................................. 9
1.2.1 At a glance .................................................................................. 9
1.2.2 Usable probes ........................................................................... 10
1.2.3 Display and keypad................................................................... 10
1.2.4 Service interface ....................................................................... 10
1.2.5 Relay board (option) ................................................................. 10
1.2.6 Analog outputs .......................................................................... 11
1.2.7 Parameters ............................................................................... 12
1.2.8 Scaling ...................................................................................... 12
1.2.9 Alarm handling .......................................................................... 15
1.3 Commissioning ...................................................................................... 16
1.3.1 Assembling the instrument ....................................................... 16
1.3.2 Connecting the instrument ........................................................ 19
1.3.3 Adjusting the instrument ........................................................... 31
1.4 Operation ............................................................................................... 41
1.4.1 Relationship between user menu and mini-DIN socket is active
.................................................................................................. 41
1.4.2 Key cover .................................................................................. 42
1.4.3 Password protection ................................................................. 43
1.4.4 Structure of user menu ............................................................. 43
1.4.5 Overview of the testo 6681 user menu ........................................... 45
1.4.6 The individual main menus ....................................................... 47
1.5 Status, warning and error messages ..................................................... 59
1.5.1 Status messages ...................................................................... 59
1.5.2 Warning messages ................................................................... 60
1.5.3 Error messages ......................................................................... 62
1.5.4 Handling alarm messages ........................................................ 63
1.5.5 Namur fault conditions .............................................................. 65
1.6 Maintenance and cleaning ..................................................................... 66
1.6.1 Maintaining the instrument ........................................................ 66
1.6.2 Cleaning the instrument ............................................................ 66
............................................................................................ 6
Contents 5