Hach-lange ORBISPHERE Model 51x User Manual Manuel d'utilisateur Page 65
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63
Calibration menu
7.2.3 H
2
sensor calibration
7.3 TC gas sensor calibration
WARNING
Potential Fire and Explosion Hazard. Handle H
2
gas with great care!
H
2
sensor calibration
The recommended method is at known concentration (Direct Value). The gas can be pure H
2
or a
mixture of H
2
with an inert gas (e.g. a mixture of H
2
/N
2
). The known concentration is entered by the user
in the calibration parameter window. The sensor is in contact with the calibration gas in gas phase at
atmospheric pressure.
NOTICE
Make sure the H
2
concentration used for calibration is within the acceptable range for the
membrane. Hach Lange recommends the following calibration gas/inert gas combinations for
calibrating with the following membranes:
Membrane Recommended calibration gas
2956A 1% H
2
/ 99% N
2
2952A 10% H
2
/ 90% N
2
2995A 100% H
2
29015A 100% H
2
Calibration of the measured gas
Start Before initiating a calibration process, the calibration parameters must be
set by pressing on the Modify button. The last calibration parameters are
memorized, so this step can be ignored if the correct parameters are
already set.
Similarly, if only the calibration value has changed, then this can be updated
directly instead of pressing the Modify button.
Note: When calibration is started, a calibration event is set, and the analog
output and relay are put on hold (if selected below) to avoid unwanted alarms
or potential process problems. This resumes when calibration is finished.
Modify calibration
parameters
• Gas Phase: Select liquid or gas (direct calibration only)
• Gas unit type: Partial, fraction or dissolved (dissolved is for
calibration in a liquid only)
•Gas unit: The list of available units depends on unit type selected
above.
•Liquid: Select as appropriate.
• Enter the gas concentration according to the value in the calibration
media.
• Hold during calibration: On by default, this stops any output from the
instrument during the calibration process to avoid sending invalid
information to any connected device.
• Automatic calibration stop: If selected, when the stability criteria is
reached, the calibration process stops automatically.
• Interferences enabled: If selected, this takes into account the influence
of interferences during calibration. By default the same interferences as
during measurement are selected.
Press OK to start calibration
- ORBISPHERE Model 51x Analyzer 1
- Table of Contents 3
- Section 1 General Information 7
- 1.3.2 Safety precautions 8
- 1.3.3 Service and repairs 8
- 1.3.4 Precautionary labels 9
- General Information 10
- 1.5 Product disposal 12
- Section 2 Specifications 15
- Specifications 16
- 2.2 Hardware description 17
- 2.4 Security level table 20
- 2.5 Default parameters 21
- Section 3 Installation 23
- 3.2 Installation check list 24
- Installation 25
- 3.3.1 Instrument dimensions 25
- 3.3.2 Wall mounting 26
- 3.3.3 Pipe mounting 26
- 3.4 Panel mount instrument 29
- 3.4.2 Mounting 30
- 3.5 Portable table instrument 32
- 3.5.2 Mounting 33
- 3.8.1 Sensor cable 38
- 3.8.3 Main board connections 39
- 3.8.4 Measurement board 40
- 3.9 Measurement alarm relays 41
- 3.10 Sensor installation 42
- Section 4 User Interface 43
- User Interface 44
- 4.2.3 Menu navigation 45
- 4.2.4 Rolling list 45
- 4.2.5 Virtual keyboard 46
- 4.2.7 Warning windows 46
- 4.3 Main menu structure 47
- Section 5 View Menu 49
- View Menu 50
- Section 6 Measurement Menu 53
- 6.1 Instrument configuration 54
- 6.2 Measurement configuration 55
- Measurement Menu 56
- Section 7 Calibration menu 61
- Calibration menu 62
- 7.1 Definitions 63
- 7.2 EC gas sensor calibration 63
- sensor calibration 64
- 7.3 TC gas sensor calibration 65
- 7.9 Calibration reports 68
- Section 8 Inputs/Outputs Menu 69
- 8.1 Configure snooze 70
- 8.2 View inputs/outputs 70
- 8.3 Relays 70
- 8.4 Analog outputs 71
- Inputs/Outputs Menu 72
- Section 9 Communication Menu 79
- Communication Menu 80
- 9.1.1 Data available 81
- 9.1.2 Example of use 84
- 9.2.1 Installation 85
- 9.2.2 Input/Output data 86
- 9.3 USB-A port (host) 89
- 9.4 HTTP/TCP-IP 90
- 9.5.3 Upload report files 92
- Section 10 Security Menu 95
- 10.2 Configure security 96
- 10.3 User management 96
- 10.4 User action log file 96
- Section 11 Products Menu 97
- Products Menu 98
- Global Configuration Menu 100
- Section 13 Services menu 101
- Services menu 102
- 13.1 Sensor diagnostics 103
- 13.5 Buzzer 104
- 13.6 Boards info 104
- 13.2 Language selection 104
- 13.3 Clock 104
- 13.4Screen 104
- 13.7 Batteries 105
- 13.8 Software download 105
- 13.9 End application 105
- 14.1 Instrument maintenance 107
- 14.2 Troubleshooting 107
- Table 4 List of Events 108
- Section 15 Part Lists 111
- 15.2 Spare parts 112
- Section 16 Glossary 113
- Glossary 114
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