INFICON UL5000 Dry Helium Leak Detector - Manual (Page 3)

Table of contents
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3.2.1 Startup and Measure 29
3.2.2 Internal Calibration 32
3.2.3 Verification 32
4 Description and Working Principle 33
4.1 Introduction 33
4.2 Components of the UL5000 33
4.2.1 Vacuum System 33
4.2.2 Control Panel 35
4.2.2.1 LC Display 35
4.2.2.2 START Button 35
4.2.2.3 STOP Button 36
4.2.2.4 ZERO Button 36
4.2.2.5 MENU Button 37
4.2.2.6 Soft Keys 37
4.2.2.7 Numerical Entries 38
4.3 Working Modes 39
4.3.1 Vacuum Mode 39
4.3.2 Sniffer Mode 40
5 Operation of the UL5000 41
5.1 Display 41
5.2 The Screen in Run-Up Mode 41
5.3 Display in stand-by mode 41
5.3.1 Purging 42
5.4 The Screen in Measurement Mode 42
5.4.1 Call for Calibration 42
5.4.2 Speaker Volume 43
5.4.3 Status Line in the Display 43
5.4.4 Numerical Display Mode 44
5.4.5 Trend Mode 44
5.4.6 HYDRO•S on / off 44
6 Description of the Menu 45
6.1 Main Menu 45
6.2 View 47
6.2.1 Scale linear/logarithmic 47
6.2.2 Display-range auto/manual 48
6.2.3 Time axis 48
6.2.4 Contrast 49
6.2.5 Background in Stand-by 49
6.2.6 Decimal places 50
6.2.7 Lower display limit 50
6.3 Mode 51
6.4 Trigger & Alarms 52
6.4.1 Trigger Level 1 52
6.4.2 Trigger Level 2 53
6.4.3 Volume 53
6.4.4 Units 54