Total compliance. Guaranteed

An uncalibrated or faulty oily water monitor can result in operational and unexpected downtime, along with substantial fines or impounding if discharge water contamination exceeds legal limits. 

With a wealth of Oily Water Separator (OWS) monitoring system experience, AtZ are able to fully manage your calibration schedule as well as manage complete system lifecycle through upgrades and extension measures. 

AtZ offer calibration services or annual calibration and maintenance contracts as a flexible, cost-saving option to ensure your systems continues to operate effectively and meets legislation at all times.

AtZ Marine Technologies

Why is it right for you?


  • Compliance assured – your calibration schedule managed
  • Scheduled calibration and service inspection, ensuring reading accuracy 
  • Service exchange units, meaning no lengthy downtime 
  • Onsite engineer visits, no matter your vessel’s location Budget control through fixed prices and reduced maintenance costs 
  • Priority response for service calls and spare parts 
  • Regular preventative maintenance.
Service Contracts

Service Exchange

In the event of a failed OWS monitor, could your business afford operational downtime? Another way AtZ can keep your business at sea is with our OWS Monitor Service Exchange programme. 

Should you encounter a problem, the AtZ Service Exchange programme could have a new monitor in transit to your vessel within 24 hours of you reporting the problem. Which means your vessel stays at sea whilst ensuring industry compliance. 

Then you simply return your faulty OWS monitor to our team for inspection and if viable, repair and recalibration.


  • Continuous availability for your OWS monitor, meaning no operational downtime 
  • Peace of mind should you encounter a fault
  • Your unit, stocked, ready for your call 
  • Same day despatch 
  • Priority response for service calls and spare parts.

Your Industry Is Our Industry

Talk to our team of technical experts

Our team of technical experts offer industry-leading consultation services, equipment sales and support and with a wealth of project management and technical experience, we plan and deliver. We work with you to ensure a smooth project from design specification to onsite installation. Our impartial guidance and multi-supplier approach mean we are focused on finding you the best solution meaning you can be confident in both our services and products.

Talk to us today Download Brochure