Vaisala DEWCAP DM500 User's Guide download pdf (Page 45)

Chapter 7 _____________________________________________________ Measuring the Dewpoint

VAISALA _______________________________________________________________________ 43

automatically converted to a corresponding dewpoint temperature,

which is then displayed to the user. The symbol on the display

changes to 7 after the freezing is complete.

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 137 138

USER'S GUIDE 1
Table of Contents 3
CHAPTER 17 6
CHAPTER 18 7
CHAPTER 19 7
APPENDIX A 7
List of Figures 8
List of Tables 8
GENERAL INFORMATION 9
General Safety Considerations 10
ESD Protection 11
Regulatory Compliances 11
Trademarks 14
License Agreement 14
Warranty 14
PRODUCT OVERVIEW 15
Front Panels 17
Back Panels 19
FUNCTIONAL DESCRIPTION 23
Sensing Element 24
RF-Signal 24
Contamination and Chemical 25
Resistance 25
GENERAL INFORMATION ABOUT 27
SAMPLING AND RESULTS 27
Measuring in Overpressure 28
Cooling Capacity 29
Flow l/min 31
Tsensor /C 31
INFORMATION ON OPTIONAL PARTS 33
SETTING UP FOR OPERATION 37
Selecting the Cooling Method 40
Connecting the Cooling Liquid 41
MEASURING THE DEWPOINT 43
START/STOP 44
DISPLAYS AND MENUS 47
Graphical Display 48
Menus and Navigation 49
BASIC SETTINGS 51
Key Click ON/OFF 52
Setting Date and Time 52
Device Information 53
Reverting Factory Settings 54
DISPLAY SETTINGS 55
Hold/Save Display 56
Graphic Trend 57
Contrast Adjustment 58
Alarm Sound 58
MEASUREMENT SETTINGS 61
Forced Freezing 62
Cooling Method Air/Water 62
Statistical Filtering 63
Response Speed 64
Pump ON/OFF 64
Transient Recovery Time 65
OK to confirm the settings 66
SELF DIAGNOSTICS SETTINGS 67
Sensor Circuit Check 68
Cooling Capacity Test 69
Error History 70
RECORDING DATA 71
Stopping Recording 72
Viewing Recorded Data 72
Deleting All Record Files 73
OUTPUT INTERFACES 75
Serial Communication Settings 76
Analog Outputs (Optional) 77
Relay Outputs (Optional) 79
CALIBRATIOND AND ADJUSTMENT 83
Making an Adjustment 84
SERIAL LINE COMMANDS 87
Output Commands (DMI500) 88
>intv 1 min 90
Output interval: 1 MIN 90
Operational Commands 93
HEAT ON/OFF<cr> 94
Detection 94
SCAL<cr> 95
PTEST<cr> 95
ANAL ON/OFF<cr> 96
Freezing Procedure 96
FFROST ON/OFF<cr> 96
Setting Commands 97
TIME [date time]<cr> 98
RSEL Setting the Relays 98
RSEL [q1 q2]<cr> 98
ASEL [x y z]<cr> 99
AERR<cr> 100
COOLER [WATER/AIR]<cr> 101
FLOW Setting the Flow Value 101
FLOW<cr> 101
TP Setting the Temperature 103
TP<cr> 103
XTP xx.xx<cr> 103
Adjustments 104
Example: 105
CTP<cr> 106
FCAL<cr> 107
PCAL<cr> 107
OPEN x<cr> 110
CLOSE<cr> 110
PLAY [file]<cr> 110
VERS<cr> 112
MI70 LINK PROGRAM 113
Displayed Quantities 114
Sensing Unit Status 114
Real-Time Quantities 114
Real-Time Update Interval 114
MAINTENANCE 115
Error Messages 117
Technical Support 118
Return Instructions 118
SPECIFICATIONS 121
Dew / Frostpoint [°C] 122
Integrated Flow (Optional) 123
DMP501 Dewpoint Sensing Unit 123
Options for DMP501 124
DMI500 User Interface Unit 124
Electromagnetic Compatibility 125
Dimensions (in mm) 125
PPPPP +++= (1) 129
Saturation Vapor Pressure 130
Dewpoint Temperature (T 130
Frost Point Temperature (T 130
Relative Humidity (RH) 131
Mixing Ratio (x) 132
Absolute Humidity (a) 133
Wet Bulb Temperature 133
Enthalpy (h) 133
// PwPtPwPt = (11) 134

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Vaisala DEWCAP DM500 User's Guide Page 45

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