Vaisala Combined Pressure, Humidity and Temperature Transmitter PTU300

  • 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
 

Barometric pressure measurement

 

Measurement range

Accuracy at +20 °C
     Class A 500 ... 1100 hPa
     Class B 500 ... 1100 hPa
     50 ... 1100 hPa

Total accuracy  (-40...+60 °C/
-40...+140 °F)
     Class A 500 ... 1100 hPa
     Class B 500 ... 1100 hPa
     50 ... 1100 hPa

Long-term stability
     Class A 500 ... 1100 hPa
     Class B 500 ... 1100 hPa
     50 ... 1100 hPa

Sensor

500 ... 1100 hPa, 50 ... 1100 hPa


±0.10 hPa
±0.20 hPa
±0.30 hPa



± 0.15 hPa
± 0.25 hPa
± 0.45 hPa


± 0.1 hPa
± 0.1 hPa
± 0.2 hPa

Vaisala BAROCAP®

Relative humidity measurement

 

Measurement range
Accuracy (including non-linearity and hysteresis)
        at +15 … +25 °C


Sensor

0 ... 100 %RH


± 1 %RH (0 … 90%)
± 1.7 %RH (90 … 100%)

Vaisala HUMICAP®180
Vaisala HUMICAP® 180R

Temperature measurement

 

Measurement range
Accuracy
         at -40 °C (-40 °F)
         at +20 °C (68 °F)
         at +60 °C (140 °F)

Sensor

-40 ... +60 °C (-40 ... +140 °F)

± 0.4 °C (±0.8 °F)
± 0.2 °C (±0.4 °F)
± 0.3 °C (±0.6 °F)

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
        supply module
Analog outputs (optional)
        current outputs
        voltage output

Serial interface

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

10 ... 35 VDC

100 … 240 VAC

0 … 20 mA, 4 … 20 mA
0 … 1 V, 0 … 5 V, 0 … 10 V

RS-232C, RS-485


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 graphic trend display

Calculated quantities

 

Humidity parameters






Pressure parameters

Dewpoint temperature (Tdp)
Absolute humidity (a)
Mixing ratio (x)
Wet bulb temperature (Tw)
Water vapour pressure (Pw)
Entalphy (h)

QNH Pressure
QFE Pressure
Height corrected pressure HCP
WMO Pressure tendency code

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

 

 

Typical delivery times

 

  USA

  EUROPE

  JAPAN, CHINA, ASIA

  1 - 2 products

  4 work days *

  3 work days *

  4 work days *

  1 - 5 products

  7 work days

  7 work days

  7 work days

  6 or more products

  21 work days

  21 work days

  21 work days


Note that the products are configured to your needs.

* Urgent delivery fee will be added.

 

Calibration services

 

Calibrated quantities
Traceability

barometric pressure, relative humidity, temperature
NIST

 

Calibration services are available at Vaisala service centers for a fixed price.
-Accredited calibrations (ISO17025)
-Factory calibrations (ISO9001)

Service price includes:
-calibration and certificate before adjustment
-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.

 

 

 

 

PTU300 Combined Pressure, Humidity and Temperature Transmitter