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Vaisala BAROCAP Digital Barometer PTB330

A new generation barometer designed for a wide range of high-end atmospheric pressure measurement. The PTB330 can be used for aviation, professional meteorology, and for demanding industrial pressure measurement applications.

  • 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 

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


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