Hach-lange ORBISPHERE Model 51x User Manual Manuel d'utilisateur Page 67
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Calibration menu
7.6 Interference calibration (TC sensor)
7.7 Barometric pressure calibration
7.8 External pressure calibration (optional sensor)
Interference calibration (TC sensor)
This calibration is available for TC sensors and is required when one of the interferences has been
enabled (see Interferences configuration on page 55). The lower part of the screen displays the actual
measurement.
• Select from the interfering gas to be calibrated from those available, or press the Change
configuration button to reconfigure and go back to the process described in Interferences
configuration on page 55
• Hold during calibration: Selected by default, this holds the measurement sequence to avoid storing
invalid values during calibration.
Instructions For interfering oxygen on measured hydrogen or nitrogen, expose both
sensors to ambient air, or a 100% oxygen source, and press Start to initiate
the calibration.
For interfering hydrogen on measured oxygen or nitrogen, expose
both sensors to a 100% hydrogen source and press Start to initiate
the calibration.
Barometric pressure calibration
Upper box shows the barometric pressure measured by the instrument.
Using a precision certified barometer, measure barometric pressure in the location where the measuring
instrument is used. Compare the values, if values are the same press Cancel, otherwise enter the new
barometric value in the lower box and Validate the new setting.
On completion a calibration report is created.
Note: The barometric sensor has been factory calibrated.
External pressure calibration
Two calibration methods for the external pressure sensor can be selected:
• Two point calibration (recommended)
• One point calibration
By default the two point calibration is selected.
Two point calibration
(recommended)
Connect a certified absolute pressure gauge to the sample line, and use a
certified precision barometer.
• The two point calibration starts with barometric pressure for the lower
point. Expose the external pressure sensor to the atmosphere.
Enter the barometric pressure read on the barometer in the upper
window and validate P1.
• Expose the external pressure sensor to line pressure, making sure it is
exposed to the same pressure as the certified absolute pressure gauge.
Enter the absolute pressure value read on the certified absolute
pressure gauge in the lower box, and validate P2.
Note: Any pressure can be used for P1 and P2, but for an accurate
calibration P1 and P2 should be as different as possible.
One point calibration Connect a certified absolute pressure gauge to the sample line.
• Expose the external pressure sensor to the line pressure, making sure it
is exposed to the same pressure as the certified absolute pressure
gauge.
Enter the absolute pressure value read on the certified absolute
pressure gauge in lower box, and validate P1.
Note: Any pressure can be used for P1, but for one point it should be as
close as possible to the sample pressure
- 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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