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Ideal for space-constrained applications, this USB barometer provides high-resolution readings for atmospheric pressure (1 to 120 kPa) and altitude. Additionally, this calibratable barometer uses a 24-bit analog-to-digital to detect low variations in air pressure and transmits to a computer via USB.
Ideal for space-constrained applications, this USB barometer provides high-resolution readings for atmospheric pressure (1 to 120 kPa) and altitude. Additionally, this calibratable barometer uses a 24-bit analog-to-digital to detect low variations in air pressure and transmits to a computer via USB.
The BAR20 is a digital barometer operating within a range of 1 to 120 kPa with high precision. Its unique USB key-like design allows seamless integration into various systems.
Like all Dracal measuring instruments, the TMC200 is compatible with free software tools, making it an essential component of a DAQ solution. For those looking to integrate the TMC200 into their system, two options are available: command-line tools and VCP mode (VCP- model, sold separately). If you prefer a graphical interface, DracalView is the appropriate choice.
Features
Free Data Logging software:
Applications
| Atmospheric Pressure | |
| Operating Range | Temperature: -40 to 158°F (-40 to 70°C) Pressure: 45 to 110 kPa, for full accuracy Extended pressure: 1 to 120 kPa, linear range of ADC |
| Overpressure | Pmax: 600 kPa |
| Accuracy | 70 to 110 kPa at 77°F (25°C) Typ.: ±0.15 kPa 70 to 110 kPa from 50 to 104°F (10 to 40°C) Typ.: ±0.18 kPa 45 to 110 kPa 32 to 122°F (0 to 50°C) Typ.: ±0.2 kPa 45 to 110 kPa -4 to 158°F (-20 to 70°C) Typ.: ±0.35 kPa 45 to 110 kPa -40 to 158°F (-40 to 70°C) Typ.: ±0.6 kPa |
| ADC Resolution | 24 bits |
| Response Time | 0.5 s |
| Factory Calibrated | Yes, individually |
| Temperature Compensation | 2nd order |
| Signal Noise | Typ.: ±0.0065 kPa |
| Altitude Resolution | 3.94" (10 cm), approximately |
| Long-Term Drift | Typ.: ±0.1 kPa/year |
| General Specifications | |
| Internal Temperature | Range: -40 to 158°F (-40 to 70°C) Resolution: Typ. 0.018°F (0.01°C) Accuracy: Typ. <1.44°F (<0.8°C) |
| Voltage | Powered through a USB port, 5 V |
| Current Consumption | At 5V: ≤22 mA |
| Colour | Black |
| Operating Range | Temperature: -40 to 158°F (-40 to 70°C) Humidity: 10 to 90% RH, non-condensing |
| Material | ABS plastic |
| IP Rating | 50 |
| Form Factor | USB-key |
| ADC Resolution | 24 bits |
| Long-Term Stability | Yes |
| Temperature Compensated | Yes, by the manufacturer |
| Lifetime | 5 years |
| Certification | RoHS3 |
| Weight | 0.21 oz (6 g) |
| Atmospheric Pressure | |
| Operating Range | Temperature: -40 to 158°F (-40 to 70°C) Pressure: 45 to 110 kPa, for full accuracy Extended pressure: 1 to 120 kPa, linear range of ADC |
| Overpressure | Pmax: 600 kPa |
| Accuracy | 70 to 110 kPa at 77°F (25°C) Typ.: ±0.15 kPa 70 to 110 kPa from 50 to 104°F (10 to 40°C) Typ.: ±0.18 kPa 45 to 110 kPa 32 to 122°F (0 to 50°C) Typ.: ±0.2 kPa 45 to 110 kPa -4 to 158°F (-20 to 70°C) Typ.: ±0.35 kPa 45 to 110 kPa -40 to 158°F (-40 to 70°C) Typ.: ±0.6 kPa |
| ADC Resolution | 24 bits |
| Response Time | 0.5 s |
| Factory Calibrated | Yes, individually |
| Temperature Compensation | 2nd order |
| Signal Noise | Typ.: ±0.0065 kPa |
| Altitude Resolution | 3.94" (10 cm), approximately |
| Long-Term Drift | Typ.: ±0.1 kPa/year |
| General Specifications | |
| Internal Temperature | Range: -40 to 158°F (-40 to 70°C) Resolution: Typ. 0.018°F (0.01°C) Accuracy: Typ. <1.44°F (<0.8°C) |
| Voltage | Powered through a USB port, 5 V |
| Current Consumption | At 5V: ≤22 mA |
| Colour | Black |
| Operating Range | Temperature: -40 to 158°F (-40 to 70°C) Humidity: 10 to 90% RH, non-condensing |
| Material | ABS plastic |
| IP Rating | 50 |
| Form Factor | USB-key |
| ADC Resolution | 24 bits |
| Long-Term Stability | Yes |
| Temperature Compensated | Yes, by the manufacturer |
| Lifetime | 5 years |
| Certification | RoHS3 |
| Weight | 0.21 oz (6 g) |
