INFICON Sensistor ISH2000 HySpeed Hydrogen Leak Detector - Manual (Page 3)

Hydrogen leak detector Sensistor ISH2000 HySpeed - Operating Instructions
OP-Sensistor ISH2000 HySpeed-EN-201203 3
EN
Contents
1 User information .......................................................................................................................... 5
1.1 Notes and safety notices.......................................................................................................... 5
1.2 Document outline.................................................................................................................... 5
1.3 Conventions used in this book................................................................................................. 5
2 Description of equipment............................................................................................................. 6
2.1 Sensistor ISH2000 HySpeed ..................................................................................................... 6
3 Controls and connections ............................................................................................................. 7
3.1 Display .................................................................................................................................... 7
3.2 Push-buttons ........................................................................................................................... 7
3.3 LEDs ........................................................................................................................................ 7
3.4 Ports and connections ............................................................................................................. 8
4 Precautions .................................................................................................................................. 10
4.1 When working with gas ........................................................................................................ 10
4.2 Hydrogen Tracer Gas for leak detection ................................................................................. 11
4.3 Interferences ......................................................................................................................... 11
5 Working principle........................................................................................................................ 12
5.1 Leak detection methods ........................................................................................................ 12
5.2 Gas sensor Technology ......................................................................................................... 12
5.3 Condition for leak detection .................................................................................................. 12
5.4 Leak detection modes............................................................................................................ 12
6 Operating the detector............................................................................................................... 15
6.1 To Detect leaks..................................................................................................................... 15
6.2 To Locate Leaks .................................................................................................................... 15
6.3 To Quantify Leaks ................................................................................................................. 16
7 Calibrate the leak detector......................................................................................................... 17
7.1 Introduction .......................................................................................................................... 17
7.2 Calibration reference ............................................................................................................. 17
7.3 Calibration procedure............................................................................................................ 17
7.4 Reference value by gas concentration .................................................................................... 18
8 Reference section ........................................................................................................................ 19
8.1 Menu system......................................................................................................................... 19
Button functions..............................................................................................................................................................19
8.2 Engineering format................................................................................................................ 19
8.3 Change Test Mode ................................................................................................................ 20
8.4 Calibration ............................................................................................................................ 20
Calibrate..........................................................................................................................................................................20
Calibration intervals .........................................................................................................................................................20
Sensitivity too low for reject level .....................................................................................................................................20
High signal! Check reference!..........................................................................................................................................20
Sensor condition indicator ...............................................................................................................................................21
Calibration messages .......................................................................................................................................................21
Reference Value...............................................................................................................................................................22
Reference Unit.................................................................................................................................................................22
Calibration Time ..............................................................................................................................................................22
Minimum calibration time................................................................................................................................................23
Password protected calibration ........................................................................................................................................23
8.5 Detection Mode Settings ....................................................................................................... 23
To detect leaks ................................................................................................................................................................23
To locate leaks.................................................................................................................................................................24
Background compensation ..............................................................................................................................................24
Sensitivity ........................................................................................................................................................................24
Auto Range .....................................................................................................................................................................25
Direct Sensitivity Adjustment............................................................................................................................................25
Audio Threshold ..............................................................................................................................................................25
Reject Indicator................................................................................................................................................................25
Audio Ready Pulse ...........................................................................................................................................................25
8.6 Analysis mode ....................................................................................................................... 25
To analyse leaks...............................................................................................................................................................25
Reject level ......................................................................................................................................................................25
Correlation Value.............................................................................................................................................................26
Analysis Unit....................................................................................................................................................................26
Min Presentation Time .....................................................................................................................................................26
Display Threshold.............................................................................................................................................................26
Audio Threshold ..............................................................................................................................................................26
Reject Indications.............................................................................................................................................................26
Show Reject Level ............................................................................................................................................................26
Audio Ready Pulse ...........................................................................................................................................................26