Vaisala DRYCAP® Dewpoint Transmitters DMT345 and DMT346


  • The DMT345 measures humidity in temperatures up to 180°C (+356 °F)
  • The DMT346 measures humidity in temperatures up to 350 °C (+662 °F)
  • Unique auto-calibration
  • Vaisala DRYCAP® Sensor provides accurate, reliable measurement with excellent long-term stability and fast response
  • Withstands condensation
  • Optional local display with keypad, mains power supply module and alarm relays
  • User-programmable, versatile and easy to use
  • Integrated data logging, with over four years of measured history
  • LAN and WLAN communication options

    •  

    Dewpoint measurement

     


    Range
    Accuracy
    Sensor

    DMT345
    -40..+100 °C (-40..+212 °F)
    ±2 °C (±3.6 °F)
    Vaisala DRYCAP® 180S

    DMT346
    -25..+100 °C (-13..+212 °F)
    ±2 °C (±3.6 °F)
    Vaisala DRYCAP® 180S

    Temperature measurement DMT345

     

    Range
       with sensor warming
    Accuracy
    Temperature sensor

    0...+180 °C (+32...+356 °F)
    upper range limited by humidity
    ±0,4 °C at +100 °C (±32.72 at 212 °F)
    Pt 100 IEC 751 1/3 class B

    Operating environment

     


    Mechanical durability of
       probes
       transmitter body
          with display

    DMT345

    up to +180 °C (+356 °F)
    -40..+60 °C (-40..+140 °F)
    0..+60 °C (32..+140 °F)

    DMT346

    up to +350 °C (+662 °F)
    -40..+60 °C (-40..+140 °F
    0..+60 °C (32..+140 °F)

    Inputs and outputs, both models

     

    Operating voltage
    Power consumption @ 20 °C (Uin24 VDC)
      Uout 2x0...1V/0...5V/0...10V
      Iout 2x0...20mA
      RS-232
      display and backlight
      during sensor purge
    Analog outputs
    Digital outputs

    Ethernet interface (optional)
         Supported standards
         Connector
         Protocols
    WLAN interface (optional)
         Supported standards
         Antenna connector type
         Protocols
         Security
    Authentication / Encryption
         Open / no encryption
         Open / WEP
         WPA Pre shared key / TKIP
         WPA Pre shared key / CCMP (a.k.a. WPA2)

    Optional data logger with
    real-time clock
         Logged parameters
         Logging interval
         Max. logging period
         Logged points
         Battery lifetime
    Menu languages

    10…35 VDC, 24 VAC


    max 25 mA
    max 60 mA
    max 25 mA
    + 20 mA
    + 110 mA max
    2 standard, 3rd optional
    RS-232, RS-485 (optional)


    10/100Base-T
    RJ45
    Telnet

    802.11b
    RP-SMA
    Telnet
    WEP 64/128,WPA









    max. three with trend/min/max values
    10 sec (fixed)
    4 years 5 months
    13,7 million points per parameter
    min. 5 years
    English, French, Spanish, German, Japanese, Russian, Swedish, Finnish, Chinese

    Mechanics

     

    Probe cable length
    Weight (housing)
    Material (housing)
    Housing classification

    2 m, 5 m or 10 m
    1.2 kg
    G-AlSi 10 Mg (DIN 1725)
    IP 65 (NEMA 4X)

    Options and accessories

     

    Display
    Relayoutputs 2+2 pcs

    LCD with backlight, graphic trend display
    0.5 A, 250 VAC, SPDT

    For complete specifications, please see the brochure or manual in "Product Documentation".

     

    Brochures

    Order Forms

    User Guides

    Wiring Diagrams

    Vaisala News articles

     

    Typical delivery times

     

      USA

      EUROPE

      JAPAN, CHINA, ASIA

      1 - 8 products

      7 work days

      7 work days

      7 work days

      1-16 products

      21 work days

      21 work days

      21 work days


    Note that the products are configured to your needs.

     

    Calibration services

     

    Calibration parameters
    Traceability

    dewpoint, temperature
    NIST

     

    Calibration services are available at Vaisala service centers for a fixed price.
    -Factory calibrations (ISO9001)

    Calibration price includes:
    -adjustment to meet specifications
    -calibration and certificate after adjustment
    -replacement of wearing parts

    Spare parts

     

    Common spare and wearing parts are available. For availability contact sales.

    Repair

     

    Repair services are available at Vaisala service centers for a fixed price.

    Repair price includes:
    -repair work
    -required parts
    -calibration certificate
    -service report

    Technical support

     

    Technical support for your installed units, contact helpdesk@vaisala.com.

    Vaisala DRYCAP® Dewpoint Transmitters DMT345 and DMT346