Coastal's Altimeter—Precision Digital Barometer (PDB-1): The world's most accurate and intelligent barometer.

  • Continuously indicates real-time atmospheric sensor pressure and altimeter setting for air safety purposes
  • Can be used as standard, traveling standard or operational equipment
  • Automatically calculates and/or displays:
    • Altimeter Setting
    • Sea Level Pressure
    • Station Pressure
    • Field Pressure
    • Pressure Altitude
    • Density Altitude 
    • Station Elevation
    • Field Elevation
    • Sensor Elevation
  • Temperature compensated automatically (with temperature sensor input) or you can hand enter the 5 minute average or 12 hour average temperature.
  • Waterproof for outdoor use, table/shelf mount or rack mount version (temperature range from –40 to +55 C) (built in telephone modem optional)
  • Fully rugged-ized against EMI and ESD
  • "Burst" mode for logged data when pressure changes by 0.06 inHg or more per hour 
  • Memory – 35 days standard (expandable to 120 days)
  • User can manually input 5 minute and 12 hour average temperature
  • Automatically calculates (or allows user input) the Pressure Reduction Ratio (r)
  • Operates on 120 volts with 36 hour back-up battery (auto-recharging) or on direct 12 VDC (optional international voltages available)
  • Performs 14 self-tests on the instrumentation and the sensor readings
  • Displays pressure in hPa, kPa, in Hg, mmHg, mbar and temperature in Celsius, Fahrenheit, Rankine and Kelvin by toggling the units button
  • Large Electro-luminescent, ¼ VGA flat panel amber monochrome display – ¾ inch numbers visible from 30 feet!
  • Communications port for connection to PC or laptop
  • Uses Paroscientific Sensor (uses the RS-232 version, direct serial access to the sensor is provided)
  • Windows point and click configuration software included

Please contact us for complete information on Coastal's AWOS and ASOS weather stations.

Photo of Precision Digital Barometer

PDB Specifications:

Temperature Range

Operational and storage temperature range:

  • -45°C to +50°C
    (-50°F to +130°F)

(The display does not start up at low temperatures.)

Pressure Range

  • 500 - 1100 mbar
    (14.75 - 32.5 inHg)

Pressure Measurements

  • Accuracy: 0.01% of full scale
  • Resolution: 0.01% of reading
  • Hysteresis: 0.005% of full scale
  • Long-term drift: 0.009% of full scale
  • Cable of withstanding pressures up to 1.2 times full scale without damage to the PDB-1 or affecting its performance

Optional Temperature Sensor

  • Accuracy: 0.15°C

Communications

  • RS-232 direct serial connection or phone modem
  • 9600 baud

Backup Battery

  • Good for better than 36 hours