Kahn Optidew Series User Manual page 59

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