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 (Uin
24 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".

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.


Dewpoint Transmitters DMT345 and DMT346 Range:-40...+100°C (-40...+212°F) Td Accuracy:±2°C (± 3.6 °F) Td
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This page was printed from www.vaisala.com on Jul 4, 2008
URL: http://www.vaisala.com/instruments/products/dewpoint/fixed/dmt345_dmt346