Hikio Robotics - IOT based Underwater Systems, Applications and Robots
Underwater ROVs
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Ultra mini circuit board (9 mm) assembled MS5837 30BA sensor. It is  24bit high-resolution pressure sensor that can measure up to 30 bar (300m depth) and communicates over I2C. It includes a temperature sensor accurate to ±1°C.
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Product Description
The electronic design is based on MS5837-30BA pressure sensor which is a high-resolution pressure and temperature sensor from TE Connectivity with I2C bus interface. This sensor is optimized for water depth measurement systems with a resolution of 0.2 cm. It provides a precise digital 24-bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high-resolution temperature output allows the implementation in depth measurement systems and thermometer function without any additional sensor.

Small dimensions of only 9 mm allow integration of the pressure sensor pcb in so many underwater related applications. This sensor module generation is based on leading MEMS technology from TE proven experience and know-how in high volume manufacturing of sensors modules.

The communication protocol is simple, without the need of programming internal registers in the device. The gel protection and antimagnetic stainless-steel cap make the module water resistant.
Technical Information
Dimensions: 9 mm diameter pcb
High resolution module: 0.2 cm (in water)
Supply voltage: 1.5 to 3.6 V
Low power: 0.6 µA (standby ≤ 0.1 µA at 25°C)
Integrated digital pressure sensor (24-bit ΔΣ ADC)
Operating range: 0 to 30 bar, -20 to +85 °C
Interface: I2C
1x Pressure sensor pcb (pressure and temperature sensor assembled on the printed circuit board)