Precision Barometer

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Specifications

Sensor

  • Precision piezo-resistive

Measuring Range

  • 0…1350 hPa

Resolution

  • 0.01 hPa

Accuracy at 23° C

  • ± 0.1 hPa (500…1200 hPa) / ± 0.2 hPa (remaining range)

Accuracy at Full Temperature Range

  • ± 0.3 hPa (500…1200 hPa) / ± 0.4 hPa (remaining range)

Long-Term Stability

  • 0.25 hPa / year

Available Units of Measurement

  • Pa, hPa, kPa, mbar, bar, atm, mmHg, mmH₂O, kgf/cm2, psi, inHg, inH₂O

Power Supply

  • Rechargeable internal 3.7 V Lithium battery, capacity 2250 mA/h, JST 3-Pole connector
  • Optional external 5 Vdc/1A power supply (SWD05) to be connected at the mini-USB connector of the instrument.
  • Powered by the PC USB port (at least 500 mA) when connected to the PC.

Battery Autonomy

  • 15 hours of continuous operation
  • The actual battery life depends on the type of the probe connected.

Logging Interval

  • 1, 5, 10, 15, 30 seconds / 1, 2, 5, 10, 15, 20, 30 minutes / 1 hour

Storage Capacity

  • SD memory card with capacity up to 4 GB.
  • The logging duration depends on the number of logged quantities and on the capacity of the SD card employed

Inputs

  • 1 Input with 8-Pole DIN 45326 connector for Pt100 temperature probes, combined temperature and relative humidity probes, TP704/TP705 pressure probes with PP471 module.
  • The barometric sensor is integrated into the instrument.

Clock Stability

  • 1 min/month Max. drift

Display

  • Color graphic LCD. Visible area 43 x 58 mm.

USB Connection

  • 1 USB port with mini-USB connector.

RS-232C Connection

  • 1 Serial RS-232C output with RJ12 (6P6C) connector for connecting to a serial printer. Baud Rate selectable from 1200 to 115200.

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