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The Bar100 pressure sensor is a high-pressure underwater pressure sensor that is sealed from the water and ready to install in a watertight enclosure on your ROV, AUV, or other project. This sensor can measure depths down to 1000 meters, so you can go deeper than ever before! The sensor is the Keller LD Series pressure/temperature sensor with I2C communication. It has a pressure resolution of 3 mbar, providing a depth measurement resolution of 3 cm in the water column! It operates on 3.3V I2C voltage but can accept power input up to 5.5V, just like the Bar30. It comes standard with a 4-pin DF13 connector that is compatible with most autopilots including the PixHawk and others.
This sensor includes a temperature sensor accurate to ±2°C, with data also accessible through I2C. If you need something with more temperature accuracy, please check out the Celsius Temperature Sensor.
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Parameter |
Value |
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Electrical |
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Supply Voltage |
2.5 - 5.5 volts |
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I2C Logic Voltage (SDA and SCL) |
1.8 - 3.6 volts |
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Peak Current |
1.5 mA |
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Mating Connector |
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Pressure |
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Maximum Mechanical Pressure |
350 bar |
5076 psi |
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Operating Pressure |
0 - 100 bar |
0 - 1350 psi |
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Operating Depth |
0 - 1020m |
0 - 3345 ft |
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Absolute Accuracy (0-50°C) |
± 500 mbar (5.1 m in freshwater) |
± 7.25 psi (16.75 ft in freshwater) |
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Resolution |
3 mbar (3cm in fresh water) |
0.045 psi (0.1 ft in fresh water) |
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Temperature |
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Operating Temperature |
-40°C to 110°C |
-40°F to 230°F |
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Absolute Accuracy |
± 2°C (between 0 to 50°C) |
± 3.6°F |
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Physical |
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Recommended Through Hole Size |
10.2 mm |
13/32" |
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Recommended Installation Torque |
Hand tight or no more than 1.2 N⋅m |
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Interfacing |
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ArduSub Compatible? |
Yes |
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Development Libraries |
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2D Drwaings
