Green Instruments A/S

Green Instruments is a global company that specializes in measurement and analysis technologies for both marine and land based industries.

We develop and manufacture monitoring and measuring equipment for emission control, water and gas analysis, hazard detection, and machinery protection.

The company was founded in 1999 under the name of SBS Technology in Pandrup, Denmark. In 2008, we changed our name to Green Instruments. Today, we have our head office and production facilities located in Brønderslev, Denmark together with regional sales and service offices in USA and Singapore.

We are the leading supplier of inert gas oxygen analyzers, smoke density monitors, oil mist detectors, and boiler protection systems for the marine industry. We have more than ten years of experience in monitoring and analyzing exhaust gasses on ocean going vessels. Besides, we are the pioneer in monitoring wash water after exhaust gas cleaning systems.

Our products have also proven their durability in the land-based industries from sulfur-acid factories in Siberia to bio-fuel heating plants in Norway. Even the Royal Playhouse in Copenhagen is a safer place thanks to one of our oil mist detectors.

We develop high quality products and solutions that are wear-resistant and cost-effective without having too many expensive features.

Erhvervsparken 29
9700 Brønderslev
Denmark

G1100 Opacity Monitor
Product

G1100 Opacity Monitor

The G1100 Opacity Monitor is installed with the two PTFE-heads directly opposite each other. The standard length of the fiber optic cables is 4.5 m. It is possible to attach longer cables that are available in 6.0 m or 7.5 m. Click to see a system drawing of the G1100 Opacity Monitor.

Purge air is ...

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G36 Oxygen Analyzer
Product

G36 Oxygen Analyzer

The G36 Oxygen Analyzer is suitable for modular system integration with an extra robust enclosure of IP67. The G36 Oxygen Analyzer has received certification under the European Marine Equipment Directive's new heading A1/3.54 for fixed oxygen analyzers and product type approvals from both Lloyds Register and ...

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G41xx NOx/O2 Analyzing System
Product

G41xx NOx/O2 Analyzing System

The G41xx NOx analyzer uses a zirconium oxide (ZrO2) sensor with multiple diffusion cells. The sensor is small and robust and can be installed directly on the stack without special protection.

The technology of the GI NOx analyzer allows real-time measurement of NOX and O2 on wet basis at high temp...

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G6100 Water Monitoring System
Product

G6100 Water Monitoring System

The G6100 Wash Water Monitoring System provides reliable and highly accurate measurements for your exhaust gas cleaning system (EGCS). Its design ensures fast response time within a broad system pressure range.

It is compact in size and easy to commission, thus offering a true plug’n’measure instal...

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G7000 Multi Gas Monitoring System
Product

G7000 Multi Gas Monitoring System

The G7000 Multi Gas Monitoring System is our newest product. It monitors SO2/CO2 concentrations in the exhaust gas emissions.

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Oil Mist Detector
Product

Oil Mist Detector

Oil mist is described as tiny droplets of oil in the air. They have a low ignition temperature and pose a large fire hazard.

Oil mist develops in connection to oil leakages and can be formed if a minute oil leakage occurs in pressurized oil lines or if an oil leakage results in evaporating oil hitt...

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