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Product

Barometric Pressure

Specification

Barometric pressure measurement

  Measurement range 500 ... 1100 hPa or 50 ... 1100 hPa
  Accuracy at +20  °C 
(serial output)
 
         500 ... 1100 hPa Class A: ±0.10 hPa; 
Class B: ±0.20 hPa
         50 ... 1100 hPa ±0.30 hPa

  Total accuracy at  -40 ... +60 °C (serial output)  
         500 ... 1100 hPa Class A: ±0.15 hPa;
Class B: ±0.25 hPa
         50 ... 1100 hPa ±0.45 hPa

  Accuracy for 500 ... 1100 hPa(analog output)  
          at +20 °C       ±0.30 hPa
         at -40 ...  +60 °C ±0.60 hPa
  Accuracy for 50 ... 1100 hPa
(analog output)
 
        at +20 °C ±0.40 hPa
         at -40 ...  +60 °C ±0.75 hPa
  Temperature dependence     
           500 ... 1100 hPa ±0.1 hPa
           50 ... 1100 hPa ±0.3 hPa
  Long-term stability  
           500 ... 1100 hPa ±0.1 hPa/year
           50 ... 1100 hPa ±0.2 hPa/year
  Sensor Vaisala BAROCAP®

Operating environment

 

Temperature

 
         operating -40 ... +60 °C (-40 ... +140 °F)
         with local display    0 ... +60 °C (+32 ... +140 °F)

Inputs and outputs

  Supply voltage 10 ... 35 VDC
  Typical power consumption at +20 °C  (Uin 24 VDC, one pressure sensor)  
           RS-232 25 mA
           RS-485 40 mA
           Uout 25 mA
           Iout 40 mA
           display and backlight +20 mA
  Serial outputs RS-232C, RS-485 (optional)
  Analog outputs (optional) 0 ... 20 mA, 4 ... 20 mA, 0 ... 1 V, 0 ... 5 V, 0 ... 10 V
  Menu languages English, Finnish, French, German, Japanese, Russian, Spanish, Swedish

Calculated quantities

 

Pressure parameters

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

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

Description

Vaisala BAROCAP® Digital Barometer PTB330 is a new generation barometer, designed for a wide range of high-end atmospheric pressure measurement.

  • Vaisala BAROCAP®  sensor
  • Accurate measurement
  • Excellent long-term stability
  • Added reliability through redundancy
  • Graphical trend display with 1-year history data
  • Altitude corrected pressure (QFE, QNH)
  • For professional use in meteorology, aviation, laboratories, and demanding industrial applications

http://www.vaisala.com/

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