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Note: The metal diaphragm on the Bar100 is very thin and can easily be damaged if unevenly loaded or touched by something hard or sharp. Test functionality only in water, not by pushing with a finger or small object.
The Bar100 High-Resolution 1000m Depth/Pressure Sensor R3 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 projects.
This sensor can measure depths down to 1000 meters, so you can go deeper than ever before! The sensor is the Keller LD Series Sealed Gauge 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 JST GH 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.
This sensor is fully supported in ArduSub and works on the BlueROV2. Please make sure that if you use it with a 5v board, such as the Arduino, you use a Level Converter.
1x Bar100 Pressure Sensor
1x O-ring
1x Nut
Size
Recommended Through Hole Size: 10.2 mm / 13/32 inch
Electrical
Supply Voltage: 2.5 - 5.5 volts
I2C Logic Voltage (SDA and SCL): 1.8 - 3.6 volts
Peak Current: 1.5 mA
Pressure
Maximum Mechanical Pressure: 350 bar 5076 psi
Operating Pressure 0 - 100 bar: 0 - 1350 psi
Operating Depth 0 - 1020m: 0 - 3345 ft
Absolute Accuracy (0-50 °C): ± 500 mbar (5.1 m in freshwater) | ± 7.25 psi (16.75 ft in freshwater)
Resolution: 3 mbar (3 cm in freshwater) | 0.045 psi (0.1 ft in freshwater)
Temperature
Operating Temperature: -40 °C to 110 °C | -40 °F to 230 °F
Absolute Accuracy: ± 2 °C (between 0 to 50 °C) | ± 3.6 °F
Physical
Recommended Installation Torque: Hand tight or no more than 1.2 N.m