Vaisala PTB330 - Manual (Page 9)

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VAISALA ________________________________________________________________________ 7
List of Tables
Table 1 Manual Revisions ..................................................................... 10
Table 2 Quantities Measured by PTB330 ............................................. 15
Table 3 Pin Assignments to RS-232-/485 Serial Output ....................... 30
Table 4 Pin Assignments to RS-232/485 Serial Output ........................ 31
Table 5 Connecting the Twisted Pair Wires to the Screw Terminals .... 44
Table 6 4-Wire (Switch 3: On) ............................................................... 45
Table 7 2-Wire (Switch 3: Off) ............................................................... 45
Table 8 Periods for Trend and Max/Min Calculations ........................... 52
Table 9 Graph Information Messages in Cursor Mode ......................... 52
Table 10 Default Serial Communication Settings for the User Port ........ 65
Table 11 Fixed Communication Settings for Service Port ...................... 66
Table 12 FORM Modifiers ....................................................................... 71
Table 13 Symbols Used in FORM Checksum Equations ....................... 72
Table 14 Quantity Symbols ..................................................................... 72
Table 15 Output Quantities and Units ..................................................... 73
Table 16 Selection of Output Modes ....................................................... 85
Table 17 ERRS command line parameters............................................. 88
Table 18 Error Messages ...................................................................... 109
Table 19 Adjustment and Calibration Commands for Barometer
Module P1 .............................................................................. 112
Table 20 Barometric Pressure range 500 ... 1100 hPa at 20°C............ 125
Table 21 Barometric pressure range 50 ... 1100 hPa at 20°C .............. 125
Table 22 Temperature Dependence****................................................ 126
Table 23 Total Accuracy at -40 ... +60°C (-40 ... +140 °F).................... 126
Table 24 Long Term Stability ................................................................ 126
Table 25 Operating Environment .......................................................... 126
Table 26 Inputs and outputs.................................................................. 127
Table 27 Mechanics .............................................................................. 128
Table 28 AC Power Supply Module ...................................................... 128
Table 29 Analog Output Module AOUT-1 ............................................. 128
Table 30 Relay Module ......................................................................... 129
Table 31 RS-422/RS-485 Module RS485-1.......................................... 129
Table 32 Options and Accessories........................................................ 130
Table 33 Symbols used in QNH calculation formulas ........................... 134
Table 34 Unit Conversion Table for all Pressure Quantities
(Excluding
ΔP
xx
and P
3h
) ........................................................ 136
Table 35 Unit Conversion Table for Difference Pressure ΔP
xx
and
Pressure Trend P
3h
Quantities ............................................... 136
Table 36 Unit Conversion Table for Settings Pressure Stability
PSTAB and Maximum Pressure Difference
ΔPMAX ............. 136
Table 37 Unit Conversion Table for Settings HHCP and HQFE ........... 137
Table 38 Unit Conversion Table for Settings HQNH............................. 137
Table 39 Unit Conversion Table for Setting TQFE................................ 137