testo 555 Bedienungsanleitung Seite 28

Contents
4
Copyright ..........................................................2
Preface/general notes ........................................3
Contents ............................................................4
1. Fundamental safety instructions ........................6
2. Use of the unit for its intended purpose ............7
3. Product description............................................7
3.1 Display and controls ......................................................7
3.2 Display and menu overview ..........................................8
4. Commissioning ..................................................9
4.1 Power supply ..............................................................9
4.2 Switching on the unit ....................................................9
5. Operation ........................................................10
5.1 Manometer screen ....................................................10
5.2 Further measurement screens ....................................11
5.2 Hold, Max./Min./Average value displays ......................11
5.2.2 Displaying the cold-cap./heat-cap.-value ....................11
5.2.3 Displaying superheating/sub cooling (testo 556 only) ..12
5.3 Menu ..........................................................................12
5.3.1 Refrigerant ..................................................................12
5.3.2 Temperaturemeasurement (testo 556 only) ..................13
5.3.3 Leakage test (testo 556 only) ......................................13
5.3.4 Record ........................................................................14
5.3.5 Read readings ..............................................................15
5.3.6 Saturation properties ....................................................15
5.3.7 Pressure type................................................................15
5.3.8 Physical units ..............................................................16
5.3.9 Set date ......................................................................16
5.3.10 Set time ......................................................................16
5.3.11 System options ............................................................16
6. Extensions ......................................................18
6.1 Memory module (testo 556 only) ................................18
6.2 Software for memory module (testo 556 only) ............18