Hardware Specifications

Physical Dimensions - Hydrus

Specification	Value
Physical dimensions	484 x 264 x 216 mm

Hydrus Physical Dimensions

Weight and Buoyancy

Specification	Value
Weight	6.4 kg
Buoyancy	+170 g in salt water (1.025 kg/L density)
Buoyancy Control	Fixed buoyancy

Maximum Operating Depth

Below are the maximum operating depths of the Hydrus. It is important to adhere to these specifications to ensure safe and reliable operation. Going beyond these limits can jeopardise Hydrus, its integrity and functionality.

Model	Value
HYDRUS-300	300 m
HYDRUS-1000	1000 m

Operating Temperatures

	Minimum in Celsius (°C)	Maximum in Celsius (°C)
Out of Water Temperature	-5 °C	50 °C
Operating Water Temperature	-5 °C	35 °C
Storage Temperature	-20 °C	60 °C

Data Storage

Specification	Value
Memory capacity	256 GB (equates to more than 2 hours of survey data)
Memory type	Solid State Drive

Temperature Sensor

Specification	Value
Water Temperature Accuracy	0.5 °C

User Interface

Type	Description
E-ink (EPD) screen	Onboard information display
Onboard web UI (accessed via WiFi)	Device configuration, mission planner and mission data management