Quattro™ - Portable Multi-Gas Detector
Quattro™ is a rugged and reliable marine four-gas detector that provides ship owners and managers with real value and benefits over alternative detectors on the market.
The graphic LCD displays easy to identify icons that indicate operational information, such as bump test and calibration status for simplified onsite auditing.
Single button operation - Simplest gas detector to operate
Unlike other portable gas detectors, a single push button design keeps operation simple for crew members of varying skill or nationality. The unit can easily be turned on and operated even when wearing protective gloves.
Unique fail safe 'REFLEX' sensor diagnostics
The unique and patented fail safe sensor diagnostics continually monitors the status of the electrochemical sensors, sending an alert when a sensor enters a fault condition.
World's lowest maintenance marine gas detector
The REFLEX technology allows a unique 12 month calibration interval. This allows you to get on with running your ships without complicated gas detector calibrations onboard or logistics for swapping or returning gas detectors to shore.
World's longest continuous operation battery life
The industry leading battery lifetime between re-charges means that crew’s operations will not be disrupted by batteries running flat and they will be able to find suitable times to carry out recharging. In addition should a rechargeable battery run low or out, Quattro™ features the ability to hot swap for an alkaline battery.
- Longest Continuous Operation Between Re-charge
- Interchangeable Power Options
- Fail Safe Sensor Diagnostic Technology
- Single Button Operation - Simplest Gas Detectors to Operate
- 5-Year Warranty
- Type Approved
- Multi-Language Option
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Associated Products

- Fixed Gas Detection Products
Gas detection is at the heart of the Martek Marine product range. Take a look at this overview of the systems we provide to see how we can help you meet your gas detection needs. 
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