Vaisala BAROCAP® Digital Barometer PTB330
 

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    Overview
     

     Overview

    		 
      • 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
       
      Technical Specifications
       

       Technical Specifications

      		 

      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".

       
      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