Dracal USB-BAR20 USB precision barometer
Dracal USB-BAR20 USB precision barometer
- Brand: Dracal
- MPN: USB-BAR20
- Part #: IPCDAL20011
- UPC:
- Brand: Dracal
- MPN: USB-BAR20
- Part #: IPCDAL20011
- UPC:
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Dracal USB-BAR20 USB precision barometer
- Brand: Dracal
- MPN: USB-BAR20
- Part #: IPCDAL20011
Product URL: https://www.pbtech.co.nz/product/IPCDAL20011/Dracal-USB-BAR20-USB-precision-barometer
| Branch | New Stock | On Display |
|---|---|---|
| Auckland - Albany | - | |
| Auckland - Glenfield | - | |
| Auckland - Queen Street | - | |
| Auckland - Auckland Uni | - | |
| Auckland - Westgate | - | |
| Auckland - Penrose | - | |
| Auckland - Henderson (Express) | - | |
| Auckland - St Lukes | - | |
| Auckland - Manukau | - | |
| Hamilton | - | |
| Tauranga | - | |
| New Plymouth | - | |
| Palmerston North | - | |
| Petone | - | |
| Wellington | - | |
| Auckland - Head Office | - | |
| Auckland - East Tamaki Warehouse | - | |
| Christchurch - Hornby | - | |
| Christchurch - Christchurch Central | - | |
| Dunedin | - |
Features
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.
Easy to use in your applications
- Virtual COM option (VCP)
- dracal-usb-get: command-line data integration tool
- dracal-sensgate-get: command-line tool for wireless access to sensors connected to a SensGate
- RVCP: REST API for wireless access to VCP instruments connected to a SensGate
Multiple integration and code examples, including Python, C, C++, Java, Node.js, C#, Grafana and LabVIEW.
Application examples
- Altimeter
- Navigation system
Free data monitoring and calibration software
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.
Be instantly operational with DracalView: Dracal's 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 Dracal's Wi-Fi gateway
- Easy calibration mechanism open to the end-user
Typical tolerance in pressure at 450, 800 and 1000 mbar

Dimensions
Specifications
Atmospheric Pressure
Operating range
45 to 110 kPa
Accuracy at 25°C
±0.15 kPa
Extended pressure range
1 to 120 kPa
Overpressure
600 kPa
Resolution
0.0065 kPa
Internal calibration
Factory-calibrated coefficients
ADC resolution
24 bits
Altitude resolution
Approx. 10 cm
Long-term drift
±0.1 kPa/year
Sensor IC
MS5611
Internal Temperature
Operating range
-40°C to 70°C
Accuracy
<0.8°C
Difference int. vs ext. at 25°C
+3°C (typical)
Resolution
±0.01°C (typical)
Miscellaneous
Operating temperature range
-20°C to 70°C
Power
Powered through USB
Communication
USB 2.0
Enclosure
ABS Plastic, USB-key form factor
Weight
6 g
IP rating
IP60
Overall dimension
H 2.295″ (58 mm) x W 0.759″ (19 mm) x D 0.425″ (11 mm)
Certifications
RoHS3 and CE compliant

