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Vaisala DMT340 Dewpoint and Temperature Transmitters, calibration free
Vaisala Instruments

DMT340 DRYCAP® Dewpoint and Temperature Transmitters

HMD40 HMW50

Designed for industrial low dewpoint measurements below 10% (RH). Ideal for dry air monitoring and plastic dryers. Optional data logging and (W)LAN interface.

  • Successor of the DMP248 dewpoint transmitter
  • Four different probe types designed to meet various installation requirements
  • Vaisala DRYCAP® Sensor provides accurate, reliable measurement with excellent long-term stability and fast response
  • Optional alarm relays, local display and mains power supply module
  • Integrated data logging, with over four years of measured history
  • LAN and WLAN communication options
PDF File DMT340 Datasheet PDF File DMT340 Order Form PDF File DMT340 User Guide PDF File DMT340 Wiring Diagram
Dewpoint measurement

Measurement range
Accuracy at -60...+80 °C (-76…+176 °F)
Sensor

-70 ... +80 °C (-94 ... +176 °F) Td
±2 °C (±3.6 °F) Td
Vaisala DRYCAP® 180M

Temperature measurement

Measurement range
Accuracy at +20 °C (+68 °F)
Sensor

0 ... 80 °C (+32 ... +176 °F)
±0.2 °C
Pt 100 IEC 751 1/3 class B

Operating environment

Operating temperature
     for probes
     for transmitter body
Operating pressure for probes
Measured gases
Electromagnetic compatibility

-40 ... +80 °C (-40 ... +176 °F)
-40 ... +60 °C (-40 ... +140 °F)

up to 50 bar (725 psi) (varies by probe model)
non corrosive
EN61326-1:1997 + Am1:1998 + Am2:2001; Industrial Environment

Inputs and outputs

Operating voltage
Outputs
     current output
     voltage output
Digital outputs
Relay 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

Display

Display menu languages

10 ... 35 VDC, 24 VAC, 100 ... 240 VAC 50/60 Hz
(2 standard, 3rd optional)
0 ... 20 mA, 4 ... 20 mA
0 ... 1 V, 0 ... 5 V, 0 ... 10 V
RS-232, RS-485 (optional)
0.5 A, 250 VAC, SPDT (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

LCD with backlight, graphic trend display of any parameter

English, French, Spanish, German, Japanese, Russian, Swedish, Finnish, Chinese

Mechanical

Probe cable length
Housing Material
Housing classification

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

Options and accessories

 

Highqualitygraphicaldisplay
Wide selection of installationaccessories for probes and transmitterhousing
Severaloptions for transmittercabling and for powersupply
PC software Mi70Link


DMT340 Dewpoint - Industrial



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