PTB330 BAROCAP® 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
Datasheet Order Form 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