Vaisala HMP230 User Manual
Page 5
HMP230 SERIES
M210225en-B
User's Guide
iii
8.4.
Temperature channel adjustment with Pt 100 simulators................................... 67
8.4.1.
Adjustment using serial commands .......................................................... 67
8.4.2.
Adjustment using display commands........................................................ 68
8.4.3.
Adjustment using LED commands............................................................ 68
8.5.
Measurement of output currents using test points............................................. 69
8.6.
Adjusting the contrast of the display................................................................... 70
9.
TECHNICAL DATA ............................................................................................................ 71
9.1.
Relative humidity .................................................................................................. 71
9.2.
Temperature .......................................................................................................... 71
9.3.
Calculated variables ............................................................................................. 71
9.4.
Pressure ................................................................................................................ 73
9.5.
Analogue outputs.................................................................................................. 73
9.6.
Electronics ............................................................................................................ 74
9.7.
Mechanics ............................................................................................................. 75
9.8.
Electromagnetic compatibility.............................................................................. 77
10. SPARE PARTS AND OPTIONS ......................................................................................... 78
11. FACTORY CALIBRATION AND REPAIR SERVICE ........................................................... 79
Appendix 1
Serial commands ......................................................................................... 80
Appendix 2
Installing the power supply module ......................................................... 103
Appendix 3
Installing and using the RS 485/422 serial port module .......................... 106
Appendix 4
Installing and using the digital current loop module............................... 117
Appendix 5
Error messages.......................................................................................... 127
Appendix 6
Calculation formulas ................................................................................. 133
Appendix 7 Alarm output unit....................................................................................... 135
Appendix 8 Connectors ................................................................................................ 140
Appendix 9 Re-gaining.................................................................................................. 144
Appendix 10 Pressure conversion chart ........................................................................ 155
Appendix 11 Wiring diagramme MK4456 ....................................................................... 156
Warranty ................................................................................................................................. 157