Vaisala Combined Pressure, Humidity and Temperature Transmitter PTU300

DNV Type Approved Product

TYPE APPROVED PRODUCT
CERTIFICATE NO.: A-11440
 

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    Overview
     

     Overview

    		 
      • Barometric pressure, humidity and temperature measurement in one transmitter
      • Available with two barometric pressure sensors - for added reliability
      • RS-232C serial interface with NMEA protocol for GPS use
      • Optional display, RS-485, analog output, and relay
      • Optional power supply module
      • NIST traceable calibration
      • HMT330MIK Installation kit for outdoor use
      • Applications include environmental monitoring in calibration laboratories, GPS meteorology: estimating precipitable water vapor in the atmosphere; weather stations
      • Integrated data logging, with over four years of measured history
      • LAN and WLAN communication options
      Technical Specifications
       

       Technical Specifications

      		 

      Barometric pressure measurement

      ​
      		 ​Measurement range ​500 ... 1100 hPa, 50 ... 1100 hPa
      ​
      		 ​Accuracy at +20 °C ​
      ​
      		 ​      Class A 500 ... 1100 hPa ​±0.10 hPa
      ​
      		 ​      Class B 500 ... 1100 hPa ​±0.20 hPa
      ​
      		       ​50 ... 1100 hPa ​±0.30 hPa
      ​
      		 ​Total accuracy 
      (-40...+60 °C/-40...+140 °F)      		 ​
      ​
      		 ​     Class A 500 ... 1100 hPa ​± 0.15 hPa
      ​
      		 ​     Class B 500 ... 1100 hPa ​± 0.25 hPa
      ​
      		 ​      50 ... 1100 hPa ​± 0.45 hPa
      ​
      		 ​Long-term stability ​
      ​
      		 ​    Class A 500 ... 1100 hPa
      		 ​± 0.1 hPa
      ​
      		 ​    Class B 500 ... 1100 hPa
      		 ​± 0.1 hPa
      ​
      		 ​    50 ... 1100 hPa
      		 ​± 0.2 hPa
      ​
      		 ​Sensor ​Vaisala BAROCAP®

      Relative humidity measurement

      ​
      		 ​Measurement range ​0 ... 100 %RH
      ​
      		 ​Accuracy (including non-linearity and hysteresis)
              at +15 … +25 °C
      		 ​

      ± 1 %RH (0 … 90%)
      ± 1.7 %RH (90 … 100%)
      ​
      		 ​Sensor ​Vaisala HUMICAP®180
      Vaisala HUMICAP® 180R

      Temperature measurement

      ​
      		 ​Measurement range ​-40 ... +60 °C (-40 ... +140 °F)
      ​
      		 ​Accuracy ​
      ​
      		 ​         at -40 °C (-40 °F) ​± 0.4 °C (±0.8 °F)
      ​
      		 ​        at +20 °C (68 °F) ​± 0.2 °C (±0.4 °F)
      ​
      		 ​        at +60 °C (140 °F) ​± 0.3 °C (±0.6 °F)
      ​
      		 ​Sensor ​Pt100 RTD 1/3 Class B IEC 751

      Operating environment

       

      Temperature range
              with display
      Humidity range

      -40 ... +60 °C (-40 … +140 °F)
      0 ... +60 °C (+32 … +140 °F)
      non-condensing

      Inputs and outputs

      ​
      		 ​Operating voltage ​
      ​
      		 ​       with an optional power ​10 ... 35 VDC
      ​
      		 ​       supply module ​100 … 240 VAC
      ​
      		 ​Analog outputs (optional) ​
      ​
      		 ​      current outputs ​0 … 20 mA, 4 … 20 mA
      ​
      		 ​      voltage output ​0 … 1 V, 0 … 5 V, 0 … 10 V
      ​
      		 ​Serial interface ​RS-232C, RS-485
      ​
      		 ​Ethernet interface (optional)
              Supported standards      		 ​
      10/100Base-T
      ​
      		 ​      Connector ​RJ45
      ​
      		 ​      Protocols ​Telnet
      ​
      		 ​WLAN interface (optional) ​
      ​
      		 ​      Supported standards ​802.11b
      ​
      		 ​      Antenna connector type ​RP-SMA
      ​
      		 ​      Protocols ​Telnet
      ​
      		 ​      Security ​WEP 64/128,WPA
      ​
      		 ​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      		 ​max. three with trend/min/max values
      ​
      		 ​       Logged parameters ​10 sec (fixed)
      ​
      		 ​       Logging interval  ​4 years 5 months
      ​
      		 ​       Max. logging period ​13,7 million points per
      ​
      		 ​       Logged points  ​parameter
      ​
      		 ​       Battery lifetime ​min. 5 years
      ​
      		 ​Display ​LCD with graphic trend display

      Calculated quantities

      ​
      		 ​Humidity parameters
      		 ​Dewpoint temperature (Tdp)
      Absolute humidity (a)
      Mixing ratio (x)
      Wet bulb temperature (Tw)
      Water vapour pressure (Pw)
      Entalphy (h)
      ​
      		 ​Pressure parameters ​QNH Pressure
      QFE Pressure
      Height corrected pressure HCP
      WMO Pressure tendency code

      For complete specifications, please see the brochure or user guide in "Documents".

       

       
      Services
       

       Services

      		 

      Technical Support
      Get fast, easy access to professional support over the entire life cycle of your equipment. The Vaisala HelpDesk is your single contact point for technical inquiries related to Vaisala products and systems.   

      Service Center Calibration
      Regular calibration ensures that your Vaisala equipment continues to provide accurate, high-quality data. We offer traceable, standards-compliant calibration services for almost all Vaisala products and partner with world-class couriers for rapid, trouble-free return of your equipment.

      Spare Parts
      Get rapid access to the spare parts you need to maximize the uptime of your equipment and ensure reliable and accurate operation. In addition to standard spare part delivery, we also offer an express service where parts are shipped within one business day.

      Repair Services
      Vaisala repair services include fault tracing and repair or replacement of failed components, as well as final testing to ensure your equipment is functioning properly. Repairs can be carried out on site or at one of our service centers.

      Warranty
      All Vaisala products and services are covered by a 12-month warranty as standard, with selected products covered for up to 24 months. During this period you benefit from free repair or replacement of faulty equipment. With Vaisala’s extended warranty, you get free repair or replacement for five years.

      Documents