Document Outline

• HMT310 User's Guide
  • Table of Contents
  • GENERAL INFORMATION
    • About This Manual
      • Version Information
      • Related Manuals
      • Documentation Conventions
    • Safety
      • ESD Protection
    • Recycling
    • Regulatory Compliances
      • Emissions
      • Immunity
    • Trademarks
    • Software License
    • Warranty
  • PRODUCT OVERVIEW
    • Introduction to HMT310
    • Output Quantities
    • HMT310 Transmitter Parts
    • Probe Options
    • Filter Options
    • Sensor Options
  • INSTALLATION
    • Measuring at Overpressure
      • Pressure Regulator Recommended
    • Selecting Location
      • Mounting the Transmitter/Removing the Transmitter Unit
      • Mounting the Transmitter with Optional Rain Shield
      • Mounting the Rain Shield with Larger Mounting Plate
      • Mounting the Probes
        • Beware of Temperature Differences
        • General Instructions for Probes with Cable
        • HMT313 for General Use
        • HMT314 for Pressurized Spaces
        • HMT315 for High Temperatures
        • HMT317 for Demanding Processes
        • HMT318 for Pressurized Pipelines
        • Tightening the Clasp Nut
    • Connections
      • Cable Wiring
    • Power Supply Requirements
  • OPERATION
    • Power Supply
    • Transmitter Start-Up
    • Serial Line and Analog Communication Options
      • RS-232 Serial Port Connection
      • USB Connection
        • Installing the Driver for the USB Cable
      • Connection to an MI70 Hand-held Indicator
    • Terminal Program Settings
      • Opening a Serial/USB Connection with PuTTY
    • List of Serial Commands
    • Measurement Output
      • Start Continuous Outputting
      • Stop Continuous Outputting
      • Set Continuous Output Interval for RUN Mode
      • Output Reading Once
      • Set Serial Interface Mode
      • Serial Line Settings
      • Set Transmitter Address for Use in POLL Mode
      • Temporarily Open Transmitter from POLL Mode to Receive Serial Commands
      • Set Transmitter in POLL Mode
    • Output Formatting
      • Set Serial Output Format
      • Set Time and Date
      • Add Time and Date to SEND and R Outputs
      • Select Metric or Nonmetric Output Units
      • Output State of Chemical Purge or Sensor Heating (with SEND and R Commands)
    • Other Commands
      • Check Transmitter Settings
      • Serial Bus Echo
      • All Devices in POLL Mode Send Their Addresses
      • List Commands
      • Set Ambient Pressure for Calculations
      • Set Result Filtering
      • Reset Transmitter
      • Display Error Messages
    • Setting, Scaling and Testing Analog Outputs
      • Set Analog Output Mode
      • Select Parameter for Analog Outputs
      • Scale Analog Outputs
      • Test Analog Outputs
      • Test Analog Outputs for Desired Readings
      • Set Error Outputs
    • Chemical Purge (Optional)
      • General
      • Automatic/Manual Chemical Purge
    • Automatic Chemical Purge Settings
      • Turn ON/OFF Automatic Chemical Purge
      • Set Chemical Purge Interval
      • Chemical Purge in Powerup
    • Chemical Purge Activated Manually
      • Starting Manual Chemical Purge
    • Sensor Heating (Optional)
      • General
        • HMT317 Fuel Cell Model Heating Settings
    • Setting Humidity Sensor Heating
      • Sensor Heating ON/OFF
      • Setting Heating Parameters
  • MAINTENANCE
    • Periodic Maintenance
      • Calibration Interval
    • Replacing Consumables
      • Changing the Filter
      • Changing the Sensor
    • Technical Support
    • Product Returns
  • CALIBRATION AND ADJUSTMENT
    • Calibration and Adjustment Commands
      • Revert to Factory Calibration
      • View Current Offset and Gain Adjustment
      • Relative Humidity Calibration after Sensor Change
      • Set Calibration Information Text
      • Set Calibration Date
      • Analog Output Calibration
      • Multipoint Relative Humidity Adjustment
    • Relative Humidity Calibration and Adjustment (in Two Points)
      • Low End Adjustment
      • High End Adjustment
    • Temperature Calibration and Adjustment (in One Point)
    • Humidity Calibration and Adjustment (in One Point)
    • Multipoint Adjustment Using Serial Line
      • MPC Command Syntax
      • Example Multipoint Adjustment Procedure
    • Adjustment Using an MI70 Indicator
      • Starting MI70 Adjustment
      • Adjusting RH with MI70
        • 1-point RH Adjustment
        • 2-point RH Adjustment
        • LiCl – NaCl automatic adjustment
      • Adjusting T with MI70
        • 1-point T adjustment
        • 2-point T adjustment
      • Environment Settings
      • Last Adjustment Date
  • TECHNICAL DATA
    • Specifications
      • Calculated Variables
      • Accuracies of Calculated Variables
        • Accuracy of Dewpoint Temperature °C
        • Accuracy of Mixing Ratio g/kg (Ambient Pressure 1013 mbar)
        • Accuracy of Wet Bulb Temperature °C
        • Accuracy of Absolute Humidity g/m³
      • Dewpoint Temperature
    • Spare Parts and Accessories
    • Dimensions in mm (inches)
      • Transmitter Enclosure and Mounting Plate Dimensions
      • Rain Shield Dimensions
      • Probe Dimensions
        • HMT311
        • HMT313
        • HMT314
        • HMT315
        • HMT317
        • HMT318
  • PROBE INSTALLATION KITS AND INSTALLATION EXAMPLES
    • Duct Installation Kits (for HMT313/317/315)
    • Pressure-Tight Swagelok Installation Kits (for HMT317)
      • RH Probe Installation
    • Examples of Vapor-Tight Installations with Cable Gland
      • RH Probe Installations (for HMT313/317)
    • Ball Valve Installation kit for HMT318