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Vaisala PTB300 Digital Barometer
Vaisala Instruments

PTB330 BAROCAP® Digital Barometer

Vaisala PTB300 Digital Barometer

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
  • Height and altitude corrected pressure (QFE, QNH)
  • For professional meteorology and aviation, laboratories, demanding industrial applications
PDF File Datasheet PDF File Order Form PDF File User Guide
Barometric pressure measurement
Measurement range

Accuracy at +20  °C
(serial output)
       500 … 1100 hPa
       50 … 1100 hPa

Total accuracy at  -40 ... +60 °C (serial output)
       500 ... 1100 hPa
       50 ... 1100 hPa
 
Accuracy for 500 … 1100 hPa (analog output)
       at +20 °C
       at -40 …  +60 °C

Accuracy for 50 … 1100 hPa
(analog output)
       at +20 °C
       at -40 …  +60 °C

Temperature dependence
       500 … 1100 hPa
       50 … 1100 hPa

Long-term stability
       500 ... 1100 hPa
       50 ... 1100 hPa

Sensor
500 ... 1100 hPa or 50 … 1100 hPa



Class A: ±0.10 hPa; Class B: ±0.20 hPa
±0.30 hPa


Class A: ±0.15 hPa; Class B: ±0.25 hPa
±0.45 hPa

                     
±0.30 hPa
±0.60 hPa



±0.40 hPa
±0.75 hPa


±0.1 hPa
±0.3 hPa


±0.1 hPa/year
±0.2 hPa/year

Vaisala BAROCAP®
Operating environment

Temperature
       operating
       with local display


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

Inputs and outputs

Supply voltage
Typical power consumption at +20 °C  
(Uin 24 VDC, one pressure sensor)
       RS-232
       RS-485
       Uout
         Iout
         display and backlight
Serial outputs
Analog outputs (optional)
Menu languages

10 ... 35 VDC


25 mA
40 mA
25 mA
40 mA
+20 mA
RS-232C, RS-485 (optional)
0 ... 20 mA, 4 … 20 mA, 0 … 1 V, 0 … 5 V, 0 … 10 V
English, Finnish, French, German, Japanese, Russian, Spanish, Swedish

Calculated quantities

 

Pressure parameters

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


PTB330 Digital Barometer



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