Vaisala BAROCAP PTB330 Guide de l'utilisateur Page 26
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USER'S GUIDE____________________________________________________________________
24 __________________________________________________________________ M210855EN-D
Pressure connections
The barometer is equipped with a barbed pressure fitting which is
ideal for 3-4mm internal diameter tubing. If you require some other
pressure fitting, you can replace the standard barbed fitting. The main
pressure connector in the barometer housing has a metric M5 internal
thread. It is, however, in practice possible to use pressure fittings with
a non-metric 10-32 external thread together with this main pressure
connector.
The barbed pressure fitting supplied with the barometer is not a static
pressure head and cannot be used in turbulent or high-speed wind
conditions. The barometric pressure measurement accuracy quoted for
the PTB330 series digital barometers does not include any wind or air
conditioning system induced measurement errors.
Protect the pressure fitting from the rain. If water gets into the
pressure connector it may cause errors in the pressure measurement.
The PTB330 barometers are designed to measure the pressure of
clean, non-condensing, non-conducting, and non-corrosive gases only.
If you use Static Pressure Head SPH10/20 with PTB330, make sure
the SPH10/20 tube is pointing downwards from PTB330. This way
the condensed water does not accumulate inside the tube and cause
measurement errors.
- USER'S GUIDE 1
- Table of Contents 3
- CHAPTER 4 4
- List of Figures 8
- List of Tables 9
- GENERAL INFORMATION 11
- ESD Protection 13
- Recycling 14
- Trademarks 14
- License Agreement 14
- Warranty 14
- PRODUCT OVERVIEW 15
- Basic Features and Options 16
- Pressure Measurement 16
- INSTALLATION 19
- Kit for Pole or Pipeline 21
- Mounting Rain Shield with 24
- Installation Kit 24
- Panel Mounting Frame 24
- Pressure connections 26
- Cable Bushings 27
- Grounding the Cables 28
- Alternate Wiring Systems 29
- WARNING 30
- M-12 (8-Pin) Connector 32
- D-9 Connector 33
- AC Power Supply Module 34
- Installation 35
- Warnings 36
- Analog Output Module AOUT-1T 40
- Relay Module RELAY-1L 42
- (RS485-1) 44
- Installation and Wiring 45
- 1102-028 46
- OPERATION 49
- Menus and Navigation 50
- Reading 51
- Graphic History 53
- Information Display 55
- Display Settings 56
- Rounding 57
- Backlight 57
- Contrast 57
- Keypad Lock 57
- Measuring Settings 58
- Diagnostic Settings 58
- Serial Interface Settings 59
- System Settings 60
- Factory Settings 61
- Clearing Graph Displays 61
- CAUTION 61
- Relay Settings 62
- Analog Output Settings 64
- Serial Line Communication 66
- User Port Connection 67
- Service Port Connection 68
- Terminal Program Settings 68
- 0810-070 69
- List of Serial Commands 70
- General Settings 72
- Table 14 Quantity Symbols 74
- UNIT [x] [y] 76
- DATE and TIME 77
- TIME [?] [x] 78
- Measurement Related Commands 79
- DPMAX [x] [y] [?] 80
- DPMAX 80
- AVRG [x] [?] 81
- HHCP [?] [x] [y] 81
- HQFE [?] [x] [y] 82
- HQNH [?] [x] [y] 82
- ICAOQNH 83
- PSTAB [?] [x] [y] 84
- User Port Serial Settings 86
- SMODE [x] 87
- INTV [xxx yyy] 88
- ECHO [x] [y] 88
- System Information Commands 89
- Resetting Barometer by Using 90
- Locking Menu/Keypad by Using 91
- Data Recording 92
- Selecting Data Recording 92
- Quantities 92
- View Recorded Data 93
- Operating Relays 95
- Quantity for Relay Output 95
- 1102-007 96
- Enabling/Disabling Relays 98
- Setting Relay Outputs 98
- RTEST to test 100
- RTEST [x1 x2] 100
- Operating RS-485 Module 101
- Networking Commands 101
- SMODE POLL 102
- OPEN [aa] 103
- SEND [aa] 103
- Operating Analog Output 104
- Analog Output Quantities 106
- Analog Output Tests 107
- Setting 107
- MAINTENANCE 109
- INFO button to display the 110
- Table 18 Error Messages 111
- Technical Support 112
- Product Returns 112
- CALIBRATION AND ADJUSTMENT 113
- Pressure Adjustment 115
- Serial Line 118
- LCP1 (LCP2 119
- MPCP1, MPCP2, MPCP3 120
- MPCP1 [x/y] [z] 121
- Activate MPCP1 adjustment: 122
- Using Display/Keypad 123
- Using Serial Line 124
- TECHNICAL DATA 127
- Operating Environment 128
- Inputs and outputs 129
- Mechanics 130
- Technical Specifications of 130
- Optional Modules 130
- Table 30 Relay Module 131
- Options and Accessories 132
- Dimensions (in mm) 133
- CALCULATION FORMULAS 135
- ICAOQNH Mode for QNH and QFE 136
- UNIT CONVERSION TABLES 137
- Min...Max 138
- PA11A EMULATION MODE 141
- PA11A Message Format 142
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