Optidew User’s Manual
50
October 2019
APPENDIX B
Register Address
Dec
Hex
Access Data Type
Description
Comment
Instrument Information
0
0000 R|W
uint16
Instrument Modbus Address
2
0002 R
uint32
Instrument Serial MS
3
0003
Instrument Serial LS
4
0004 R
uint16
Instrument Firmware Version
5
0005 R
uint16
Register Map Version
Measured and Calculated Values
6
0006 R
float
Dew/Frost point MS
Units = Temperature
Unit
7
0007 R
Dew/Frost point LS
8
0008 R
float
Ambient Temp MS
Units = Temperature
Unit
9
0009 R
Ambient Temp LS
10
000A R
float
Pressure MS
Units = Pressure Unit
11
000B R
Pressure LS
12
000C R
float
Relative Humidity MS
13
000D R
Relative Humidity LS
14
000E R
float
ppm (vol) MS
Default = Dry Basis,
register 105 for wet
basis
15
000F R
ppm (vol) LS
16
0010 R
float
ppm (wt.) MS
Mol weight of carrier
set in register 108
17
0011 R
ppm (wt.) LS
18
0012 R
float
Absolute Humidity MS
Units = g/m3
19
0013 R
Absolute Humidity LS
20
0014 R
float
Mixing Ratio MS
Units = g/kg
21
0015 R
Mixing Ratio LS
22
0016 R
float
Wet Bulb MS
Units = Temperature
Unit
23
0017 R
Wet Bulb LS
24
0018 R
float
Water Vapor Pressure MS
Units = Pascal
25
0019 R
Water Vapor Pressure LS
30
001E R
uint16
Temperature Unit
Set using register 100
0=°C
1=°F
Содержание Optidew Series
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