The MacArtney Underwater Technology Group offers calibration and maintenance services for oceanographic and hydrographic instruments. This service is available from our German operation, MBT, in Kiel, Germany.

Service jobs

• Calibration on CTD and SVP probes
• Maintenance of side-scan-sonar and echo sounders
• Maintenance of in-situ nutrient and particle analysers
• Maintenance of oceanographic sensors
• Pressure test facility
• MIL-standard services
• High-end data acquisition and analysis
• Further services available - please enquire!

Test environment

• 3 stabilised salinity bathes (10 PSU, 20 PSU, 35 PSU)
• 4 stabilised temperature bathes (variable temperatures)
• 1 adjustable temperature bath for tall devices
• Lab climate monitoring
• ESD safe workspace

Calibration standards

• Temperature: 0.01°C
• Conductivity: 0.01 mS/cm
• Pressure: 0.01 dbar
• Speed of sound: 0.03 m/sec
• Speed of sound from CTD: 0.1 m/sec
• Density from CTD: 0.1 kg/m3

Reference measuring devices

• ASL resistance bridge
• DDM 1,000 precision temperature
• Rosemount PT 25 temperature sensors
• Ozeanus Gallium calibrator
• Isotech triple point calibrator
• Autosal 8400A and 8400B
• Budenberg pressure deadweights
• Various electrical and electronic test equipment

Redundancy and cross-check
All reference devices are operated in redundant set-ups to guarantee uninterrupted availability and reliable performance of the calibration facility.