BAR20

USB precision barometer

SPECIFICATIONS OVERVIEW
Operating range: 1 à 120 kPa (10 à 1200 mbar)
Accuracy (at 25°C): ±0.15 kPa (1.5 mbar)
Resolution: 0.0065 kPa (0.065 mbar)
  • User-accessible internal temperature reading (for calibration purposes)
  • RoHS3 and CE compliant
  • 3 years warranty

PRODUCT OPTIONS

  • 3-point user calibration mechanism (CAL option)
  • COM communication (VCP option)
  • Traceable to the CNRC (NIST) certificates

 

PDF Icon Datasheet.pdf User manual.pdf

 

FREE DATA LOGGING AND MONITORING SOFTWARE

Learn more and download DracalView:

  • Get up-and-running in less than 3 minutes
  • Operates under Windows, Mac OS X and Linux
  • Real-time on-screen graphing and logging
  • Configurable log file format
  • Log interval down to 0.5 second
  • Configurable units (°C, °F, K…)
  • Simultaneous use of unlimited Dracal sensors supported
  • Simple user-calibration (products with the CAL option)
  • Connectivity with SensGate Wi-Fi/Ethernet gateway

EASY TO INTEGRATE IN YOUR OWN APPLICATION

All command-line tools (CLI) are packaged with DracalView

Overview
Characteristics
Datasheets
Documentation
Software
FAQ

Description

 

BAR20: USB sensor for accurate measurement of atmospheric pressure and altitude.

The BAR20, a member of the BAR series, is a digital barometer operating within a range of 1 kPa to 120 kPa with high precision. Its unique USB key-like design allows seamless integration into various systems.

Like all Dracal measuring instruments, the BAR20 is compatible with free software tools, making it an essential component of a DAQ solution. For those looking to integrate the BAR20 into their system, two options are available: command-line tools and VCP mode. If you prefer a graphical interface, DracalView is the appropriate choice.

Easy to use in your applications

Multiple integration and code examples, including Python, C, C++, Java, Node.js, C#, Grafana and LabVIEW.

Free data monitoring and calibration software

Be instantly operational with DracalView: our free data visualization, logging and calibration software

  • Works under Windows (Win7/8/10/11 64&32-bit), Mac OS X and Linux
  • Simultaneous visualization and logging of an unlimited number of sensors
  • Automatic synchronization with our Wi-Fi gateway
  • Easy calibration mechanism open to the end-user

Application examples

 
  • Altimeter
  • Navigation system

What is included

 
  • One (1) BAR20 unit
  • Quick installation guide
  • Data acquisition solution for DAQ system

Available options