C-Tecnics TETRA subsea laser

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The TETRA subsea laser module is a compact, rugged solid state subsea laser that has been designed for a variety of underwater highlighting and identification tasks, or when used in pairs, for scaling and ranging operations. Two or more units can be mounted a known distance from one another and will produce red dots on the targets at an equivalent spacing such that accurate measurements can be taken.

The TETRA laser module is a self-contained solid-state subsea laser pointer which is categorized as a Class 3 laser product meaning no specialized training is required to operate the unit. The laser can be powered from a 9-30V DC supply and is equipped with over voltage and reverse polarity protection. These units are available as standard in a hard anodized aluminum housing which is depth rated to 1000m. Other housing materials for deeper water applications are available on request.



Depth Rating 1,000m

Housing Material Aluminium, 6082-T6

(Optional SST or Titanium)

Window Acrylic

Length 132.5mm

Body Diameter 34mm max

Weight in Air Approx. 0.44kg

Weight in Water Approx. 0.34kg


Voltage 9-30Vdc

Power 45mA

Connector MCBH2MP


Type Laser Diode, Class 3b, 4mW

Beam Divergence 0.75mrad

Wavelength 635nm (Red)

Temperature Range

(Operating) 0°C to 35°C

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