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Equipment

Equipment on which we rely


Not only does Stema Systems supply complete survey and monitoring systems, it is also aware of the fact that every minute counts, which is why it has established a service department that is at the disposal of its clients to ensure a minimum of down time. We are able to do so by combining a wide range of replacement units as well as a highly skilled team that is available to our clients to assist them in almost all aspects of their projects, from phone support to the dispatch of service agents to the project to ensure the maximization of efficiency.

Renting / Buying

Your business case, our business. For temporary solutions the investment will be minimized to your project(s). Stema not only sells equipment but we facilitate our customers with the necessary hydrographic, geophysical, positioning equipment and highly educated and well experienced staff to install and train your technicians We offer an extensive rental pool for all your surveying needs ranging from individual components to complete survey ready boats. Below the list of our rental fleet is summarized. Please contact us for actual availability or to discuss the best solution for your project.

The Stema Dredge Positioning System (DPS) is a highly versatile positioning system built up around the Stema GNSS-982PoE receiver. With its […]

R2Sonic 2020 Wideband Multibeam Echosounder
2.0 x 2.0 degree angular resolution, 300 m depth rating, 200m range multibeam, 130deg swath width

Silas HRS acquisition

Stema DensiTune for density measurements

Stema is official Geometrics dealer for The Netherlands, Belgum and Luxembourgh The magnetometer model G-882 cesium-vapor marine magnetometer provides the […]

Stema GNSS982-PoE

Fieldworks PCI A/D card – POWERDAQ 333 kHz
333 kS/s, 16-bit, 1/2/4/8 gains, 16SE/8DI A/D PCI multifunction board

Teledyne odom Echotrac model CV100 Low Frequency
Portable, splash-proof (IP-65), Hydrographic echo sounder. An Ethernet LAN capable unit with Low Band (24kHz to 50kHz) frequency agile transceiver board. Supplied with Odom E-Chart (Windows compatible control & display software), a DC power cable 912 to 24VDC), two serial interface cables, an Ethernet Crossover cable, transit case and an Operation / Installation manual (on CD).

R2Sonic Integrated Inertial navigation System – v.1 (INS)
Motion reference unit with embedded RTK, heading
roll/pitch accuracy: 0,02 deg with RTK; heading 0,03 deg with 2 m baseline; heave: 2 cm or 2%.
Option on new Sonic unit, replaces standard SIM. Upgrade existing requires purchase of new SIM unit and optional trade in of existing SIM unit.

AML Base X probe
Self recording or real time output. Internal recheargeable battery, ingrated shackle and transit case.
SV-Xchange and P-Xchange sensors are to be ordered separateley.

AML Micro X SV probe
Acetal housed (500m) or titanium housed (6000m) SV probe for real time sound velocity. Probe with included X-Series SV probe and 25m deckcable.

Valeport Mini SVS