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Measuring Instruments
DEWCAP DM500
Vaisala DEWCAP DM500 User Manual
Vaisala DEWCAP DM500 User Manual
Table of content
Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
GENERAL INFORMATION
Product Related Safety Precautions
ESD Protection
Trademarks
CHAPTER 2 PRODUCT OVERVIEW
Front Panels
Figure 2 DMP501 Dewpoint Sensing Unit Front Panel
Back Panels
Figure 4 DMP501 Dewpoint Sensing Unit Back Panel
Optional Accessories and Spare Parts
CHAPTER 3 FUNCTIONAL DESCRIPTION
Sensing Element
Contamination and Chemical Resistance
CHAPTER 4 GENERAL INFORMATION ABOUT SAMPLING AND RESULTS
Measuring in Overpressure
The Effect of the Ambient Temperature on Cooling Capacity
The Effect of the Liquid Coolant Temperature on Cooling Capacity
The Effect of the Sample Gas Flow Rate on Cooling Capacity and Result Deviation
INFORMATION ON OPTIONAL PARTS
Optional External Temperature Sensor
Wetted Materials of the Optional Parts
CHAPTER 6 SETTING UP FOR OPERATION
Swagelok tube fittings' installation instructions
Connecting the Sample Gas Flow
Selecting the Cooling Method
Connecting the Cooling Liquid
Connecting the Condensation Water Drain Tube
More About the Moisture Phases
CHAPTER 8 DISPLAYS AND MENUS
Graphical Display
Menus and Navigation
CHAPTER 9 BASIC SETTINGS
Key Click ON/OFF
Device Information
Reverting Factory Settings
CHAPTER 10 DISPLAY SETTINGS
Hold/Save Display
Graphic Trend
Contrast Adjustment
MEASUREMENT SETTINGS
Forced Freezing
Statistical Filtering
Response Speed
Transient Recovery Time
CHAPTER 12 SELF DIAGNOSTICS SETTINGS
Sensor Circuit Check
Cooling Capacity Test
Error History
CHAPTER 13 RECORDING DATA
Stopping Recording
Deleting All Record Files
CHAPTER 14 OUTPUT INTERFACES
Serial Communication Settings
Analog Outputs (Optional)
Relay Outputs (Optional)
CHAPTER 15 CALIBRATIOND AND ADJUSTMENT
Calibrating DM500 Equipped with a Pump
CHAPTER 16 SERIAL LINE COMMANDS
Output Commands (DMI500)
S Stopping the Continuous Output
FORM Defining the Output Format
STOP Stopping the Measurement
ANAL Starts/Stops the Statistical Filtering
UNIT Setting the Units
TIME Setting the Date and Time
ASEL Setting the Analog Outputs
AERR Setting the Invalid Output for Analog Channel
COOLER Setting the Cooling Method Status
XFLOW Setting the Flow Value Temporarily
TP Setting the Temperature
Adjustments
PCAL Adjusting the Pressure Sensor (in two points)
Others
HELP Outputting the Commands
OPEN & CLOSE Opening and Closing the Lines
SCC Sensor Circuit Check
VERS Outputting the Program Name and Version
Installation
Displayed Quantities
Cleaning the Sensor
Error Messages
Technical Support
Measured Variables
Figure 23 Dewpoint Temperature Measurement Repeatability
External Temperature (Optional)
Options for DMP501
Options for DMI500
Measured and Calculated Results of DM500
Saturation Vapor Pressure
Relative Humidity (RH)
Mixing Ratio (x)
Absolute Humidity (a)
Effect of Pressure on Dewpoint
USER'S GUIDE
Vaisala DEWCAP
®
Precision SAW
Hygromete
r
DM500
M210205EN-D
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This manual is suitable for:
DEWCAP DM500
