Vaisala GMP231 Manuel d'utilisateur télécharger pdf (Page 46)

User's Guide _______________________________________________________________________

44 ___________________________________________________________________ M211501EN-C

Adjust Pressure Measurement

Use the CP command to perform an offset correction to the internal

pressure measurement. The correction is done by providing the correct

pressure as an argument to the CP command.

CP [pressure]<cr>

CP [-reset]<cr>

where

pressure

Correct pressure in hectopascals (hPa).

Example (adjust the internal pressure measurement to 990 hPa at the

current conditions):

pass 1300

cp 990

Example (clear the offset adjustment from internal pressure

measurement):

pass 1300

cp -reset

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USER'S GUIDE 1
CHAPTER 5 4
CHAPTER 6 5
CHAPTER 7 5
CHAPTER 8 5
CHAPTER 9 6
List of Figures 7
List of Tables 8
GENERAL INFORMATION 9
Version Information 10
Related Manuals 10
Documentation Conventions 10
Recycling 11
Regulatory Compliances 12
Patent Notice 12
Trademarks 12
Software License 12
Warranty 13
PRODUCT OVERVIEW 14
Basic Features and Options 15
GMP231 Parts 16
Operating Principle of CO 17
Measurement 17
1403-161 18
Probe Startup 20
INSTALLATION 22
Avoiding Condensation 23
Probe Installation Depth 23
Dimensions 24
Recommended Installation 25
Power Supply 26
VAISALA INDUSTRIAL PROTOCOL 27
Connecting with a Computer 28
0807-004 29
Serial Commands 30
Showing Device Information 31
Show Serial Number 32
Show Firmware Version 32
Show Firmware Information 32
Show Probe Uptime 32
Serial Line Output Commands 33
Stop Measurement Output 34
Set Output Interval 34
Output a Reading Once 34
FORM Command Examples 36
Set Compensation Modes 37
Set Serial Line Settings 41
Set Probe Address 41
Set Serial Line Echo 42
Calibration Commands 43
Set Calibration Date 44
Set Calibration Info Text 45
Adjust Pressure Measurement 46
Configuring Analog Output 47
Other Commands 49
POLL Mode 50
Show Active Errors 50
Reset Probe 51
Restore Factory Settings 51
C INTERFACE 52
Communication Parameters 53
Addressing 53
Communication Flow 54
GMP231 State Machine 55
Get_Parameter,CO2_ID 56
I2C write 56
Get_Parameter,CO2_ID,549, ACK 56
I2C read 56
1403-163 57
1403-118 57
1403-117 57
Status Word 59
Commands 60
Get_Parameter 61
Example: Read CO 62
Measurement Result 62
Set_Parameter 63
Example: Set Compensation 64
Temperature 64
Get_Parameter_Info 65
Adjusting Measurement 67
Data Registers 68
Register Table 69
MAINTENANCE 72
Changing the Filter 73
Changing the Silicone Plug 74
Calibration and Adjustment 75
Limits of Adjustment 77
Adjustment Types 77
C Interface 78
Vaisala Industrial Protocol 78
MI70 Hand-Held Indicator 78
Overview of MI70 Support 79
Settings with MI70 Indicator 80
Compatible Reference Probe 81
1403-134 82
1403-142 82
1403-126 84
1403-125 84
Technical Support 86
Product Returns 86
Analog Output Error State 86
TECHNICAL DATA 87
Spare Parts and Accessories 89
*M211501EN* 90

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Vaisala GMP231 Manuel d'utilisateur Page 46

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