INFICON UL1000 Helium leak detector - Manual (Page 4)

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Table of Contents
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3 First Operation Check 34
3.1 Needed Equipment 34
3.2 Description of the Initial Operation 34
3.2.1 Start up and Measure 34
3.2.2 Internal Calibration 37
3.2.3 Verification 37
4 Description and Working Principle 38
4.1 Introduction 38
4.2 Components of the UL1000 and UL1000 Fab 38
4.2.1 Vacuum System 39
4.2.2 Control Panel 40
4.2.2.1 LC Display 41
4.2.2.2 START Button 41
4.2.2.3 STOP Button 41
4.2.2.4 ZERO Button 41
4.2.2.5 MENU Button 43
4.2.2.6 Soft Keys 43
4.2.2.7 Numerical Entries 43
4.3 Working Modes 45
4.3.1 Vacuum Mode 45
4.3.2 Sniffer Mode 47
4.3.3 Auto Leak Test Mode 47
5 Operation of the UL1000 and UL1000 Fab 48
5.1 Display 48
5.2 The Screen in Run-Up Mode 48
5.3 Display in stand-by mode 49
5.3.1 Purging 49
5.4 The Screen in Measurement Mode 49
5.4.1 Call for Calibration 49
5.4.2 Speaker Volume 50
5.4.3 Status Line in the Display 50
5.4.4 Numerical Display Mode 51
5.4.5 Trend Mode 51
6 Description of the Menu 52
6.1 Main Menu 52
6.2 View 54
6.2.1 Scale linear/logarithmic 55
6.2.2 Display-range auto/manual 55
6.2.3 Time axis 56
6.2.4 Contrast 56
6.2.5 Background in Stand-by 57
6.2.6 Decimal places 57
6.2.7 Lower display limit 58
6.3 Mode 58
6.3.1 Auto Leak Test 59