Underwater depth, pressure, temperature and leak sensors

Depth and pressure sensors, water temperature sensors and leak detectors for ROVs, AUVs and instruments. Compare the measured range, the interface your controller reads and the supply and logic voltages.

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17 products

Subsea M10 Depth Sensor (0-30Bar)

Blu-Sub Mechatronics

Subsea M10 Depth Sensor (0-30Bar)

Depth sensor

Pressure Range
0-30 Bar
Output Signal
I2C, 3.3 V logic (address 0x76)
Accuracy
+/-200 mbar (relative)
₹13,200.33
Subsea M8 Depth Sensor (0-30 Bar / 0-300 m)

Blu-Sub Mechatronics

Subsea M8 Depth Sensor (0-30 Bar / 0-300 m)

Depth sensor

Pressure Range
0-30 Bar
Output Signal
I2C, 3.3 V logic (address 0x76)
Accuracy
+/-200 mbar (relative); +/-4 C (0-60 C)
₹13,977.03
SOS Leak Sensor

Blue Robotics

SOS Leak Sensor

Sensors and Cameras

SOS Leak Sensor from Blue Robotics, part number BR-101072. Earlier part number SOS-SET-R1-RP. Imported to…

₹11,279.98
I2C Level Converter

Blue Robotics

I2C Level Converter

Sensors and Cameras

I2C Level Converter from Blue Robotics, part number BR-100087. Earlier part number LEVELCONVERTER-R1-RP.…

₹11,539.24
SOS Probe Tips

Blue Robotics

SOS Probe Tips

Sensors and Cameras

SOS Probe Tips from Blue Robotics, part number BR-100271. Earlier part number SOS-MISC-PROBE-TIP-R1-RP.…

₹8,204.65

Showing 17 of 17 products.

How to choose depth, temperature and leak sensors

Range sets resolution

A sensor ranged for 300 m resolves shallow depth less finely than one ranged for 10 m. Choose the smallest range that covers your deepest dive plus a margin, not the largest available.

Choosing an ROV depth sensor →

Supply voltage is not logic voltage

Several I2C sensors run from one supply but talk at another logic level. Check both against your autopilot or microcontroller, and use a level converter where they differ.

Depth and temperature are different measurements

A depth sensor may report temperature from its own element for compensation, but that is not a water temperature sensor's accuracy or response time. Choose each for its own job.

Questions buyers ask

How do I turn a pressure reading into depth?

Subtract the atmospheric pressure at the surface and divide by the water's density times gravity: about 1 bar per 10 m in fresh water, a little less depth per bar in sea water. Our pressure and depth guide gives the working.