All the convenience under 1 roof  ..... 


We can also advise you on delivery, super fast calibration/repair and certification for almost all equipment and also ensure that the transport to and from a ship is properly connected and arranged, we monitor the arrival, port stay and departure time for you! Look no further and use our extensive service and network !

Below are some examples from the very extensive range. We can calibrate and supply all brands and many different health tests !

 Le Ballon alcohol breathalyzer for single use in standard international Orange flowpack packaging. This alcoholtest hs the NF quality mark and complies with the European REACH regulations. The alcoholtest is calibrated to a 0,5% (g/L blood alcohol concentration) limit and provides an accurate result within 1 minute. 


€2,45 (ex VAT and shipping costs)

 The CA20FP is a semi-professional device with unique features such as  smart fuel cell technologie and a fast screening mode.


139,00 (ex VAT and shipping costs)


The Alcowise AW50 is a professional digital alcohol tester with a large fuel cell sensor that will also take accurate measurements for the long term. The device has a memory for storing the last 100 test results and an extensive menu for settings. 


€249,00 (ex VAT and shipping costs)


Dräger alcoholtest 6000 - breath analysis device police approval EN 15964.

For professional use.


€845,00 (ex VAT and shipping costs)


The Fluorecare combination test quickly gives you a reliable result on 4 possible virus infections. Within 15 minutes you will know whether you are infected with the SARS-CoV-2 virus, Influenza A virus, Influenza B virus and/or the RSV virus.

The test has an overall clinically tested sensitivity (correct positive) of 90.91% and an overall clinically tested specificity (correct negative) of 100.00%


€4,95 (ex VAT and shipping costs)


Calibration of all your equipment ! 


Our devotion to excellence extends beyond the calibration process itself. We provide comprehensive documentation for every calibration and certification service we perform. This documentation not only ensures compliance with maritime regulations but also serves as a valuable resource for your records and audits. You can trust that our reports are thorough, transparent and faithfully prepared. Consequently, marine electronics calibration and certification are indispensable for the safe and efficient operation of measurement, control, and alarm instruments in the maritime industry. Our partner stands as an embodiment of reliability and expertise in this crucial aspect of maritime safety. Our use of high-grade equipment, qualified personnel, flexible service options and commitment to quality ensures that your instruments and systems are always fully functioning. Whether you require calibration for gas detection, UTI’s, VDRs, pressure, temperature, flow, level, or any other marine electromechanical equipment, you can rely on Rijnmondgroep to deliver excellence and create value, no matter where you are in the world. Safety, accuracy, and reliability are the cornerstones of our calibration and certification services, and we take pride in being your trusted partner in maritime instrumentation.




UTI Hermetic

UTI mmc


Gasdetector personal

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Large Stock

By carefully monitoring our sales, we have built up large stock for the most demanded items. Our computer system

takes care that we will never run out on these items.



High Quality

A good price is important to keep the TCO to an acceptable level of any ship owner. We select multiple products of

the same range and put them to various testing conditions. This to ensure a good quality product and a competitive price


Same Day Calibrations

One of the most common problems of a vessel is downtime when the certificates are due. We offer a same day calibration service. When your instrument is received in the morning, it’s returned to your vessel in the afternoon.


In Time Deliveries

Rijnmondgroep tracks and verifies that your time critical orders are delivered on the time you require.



Last but not the least ! To keep track if we are still competitive, we use a live cockpit which tells us any sudden drops in sales, so we can take sufficient action to remain on top.

Fire Fighting & Safety Services:

  • CO² High/Low Pressure Systems
  • Novec Systems
  • Fixed Dry Powder Systems
  • Fixed Foam Installations
  • Foam Analysing with own laboratory
  • Gas, Fire and Smoke Detecting Systems
  • Fire Extinguishers
  • Breathing Apparatus & Escape Sets
  • Medical Oxygen Resuscitators
  • Inflatable Lifejackets
  • Immersion suits
  • Chemical suits

Calibration Services:

  • Gas detectors portable and fixed
  • Pressure Calibrators
  • Temperature Calibrations
  • Calibration Gas Supplies

UTI Maintenance Services:

  • MMC Ullage Temperature Interface
  • Enraf TankSystem Ullage Temperature Interface
  • Tanktech Ullage Temperature Interface