Description
This depth sensor is a waterproof packaged version of the MS583730BA-50 chip and can measure up to 30Bar (300m water depth).
In particular, the design and production process of the depth sensor strictly comply with the design specifications of the depth sensor chip to maximize its life and accuracy.
It is commonly used for depth measurement of underwater equipment in Ardusub systems and is directly compatible with Ardusub when plugged into Pixhawk.
Because the soft film of the chip is fragile and needs to be maintained, the protective cover is necessary to avoid damage caused by foreign bodies such as sand and stone to a certain extent.
Please note that all depth sensors using the MS5837 need to be dried once a day for at least two hours, as described in the technical manual of the pressure sensor chip, otherwise the readings will drift, and if underwater permanent and higher reliability is required, choose M14 Metal Diaphragm Depth Sensor version.

Shipping List
- 1 x Depth Sensor
- 1 x O-ring
- 1 x Nut

Specifications
Item | SKU | Material | Weight | Unit Price(US$) |
---|---|---|---|---|
M8 Depth Sensor | 11010601-0008 | Aluminum Black Anodized | 10g | 38 |
Dimension:

SPEC | M8 Depth Sensor |
---|---|
Thread | M8×1 |
Voltage | 5V |
Peak Current | 1.5mA |
Communication Methods | IIC |
IIC Logic Voltage (SDA and SCL) | 3.3V |
IIC Address | 0x76(1110110 b) |
Wiring Definition | Red: VIN, Green: SCL, White: SDA, Black: GND |
Connector Type | DF13-4S-1.25C |
Wire Length | Approx. 300mm |
Operating Pressure | 0-30Bar |
Operating Depth | 0-300m |
Overpressure Pressure | 50bar |
Pressure Resolution | 0.2mbar |
Relative Accuracy | ±200mbar |
Operating Temperature | -20 ~ 85℃ |
Temperature Accuracy | ±4℃(0-60℃) |

Wiring Definition:
1 | Red | VIN |
2 | Green | SCL |
3 | White | SDA |
4 | Black | GND |
Recommended Size:

Recommended Size | M8 Depth Sensor |
---|---|
Recommended Bulkhead Through Hole Size (A) | Ø8.1±0.1 / Threaded |
Hatch Cover Thickness (B) | 14 |
Surface Range (C) | 17 |

Guide
FAQ
● What's the difference with the 5837Depth Sensor?
Only the size is different, and the protective cover of M8 depth sensor cannot be removed.
● Can the wire be extended?
An excessively long wire or bus with multiple devices on it may affect the IIC timing. It can be improved by reducing the resistance value of IIC pull-up resistor and changing it to strong pull-up. Or add an IIC relay chip to extend the wire.
● How do I read if I don't use ardusub? Do you have code examples?
This sensor chip is widely used and rich in data, you can refer to the open-source sample code on the network.
● The white soft film is broken, will it affect?
Yes, no further use is recommended.
● Can it be used in seawater and fresh water?
Yes.
● What's the difference with other manufacturers?
Reliable, the design and production process of the depth sensor strictly comply with the design specifications of the pressure sensor chip to maximize its life and accuracy. Because the soft film of the chip is fragile and needs to be maintained, the protective cover is necessary to avoid damage caused by foreign bodies such as sand and stone to a certain extent.
● Can the protective cover be removed?
It cannot be removed.
● Can it not be installed on the end cap, but directly soak the water as a whole?
Refer to the documentation: Method of Waterproofing Penetrator Device