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Turtle Tough M6M Dissolved Oxygen Sensor

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Turtle Tough M6M Dissolved Oxygen Sensor

When it comes to TOUGH, nothing surpasses the Turtle Tough M6M Dissolved Oxygen Sensor. For almost 30 years this unit has been used world wide throughout the mining community, renown for it's extreme durability and low maintenance in some of the world's harshest conditions. Utilising a Teflon membrane draws many sceptics, tainted by their experience with cheap membrane technology that drifts, is un-repeatable and that fails due to tears and ruptures of the membrane that ultimately contaminate and destroy the sensor.

The Turtle Tough M6M couldn't be more different. This German made technology sets a new benchmark in membrane technology. The ultra tough Teflon membranes are resilient to highly abrasive slurries and maintain excellent repeatability and accuracy. The membrane only requires replacement annually at the recommended service interval. Calibration stability is an astounding 3-4 months and the units simply calibrate in air, without any need of zero solutions.

The sensor is extremely fast response, which is critical for applications that demand accuracy or measure at high ppm. Operators rarely allow the required time for stabilisation, so the fast response of the sensor means less human error and high accuracy. The standard unit is capable of 0-40ppm while 0 to 60ppm is optional. The Turtle Tough M6M Dissolved Oxygen Sensor connects

Forget everything you ever thought you knew about membrane technology. The Turtle Tough M6M is amperometric membrane technology at its best and has proven itself over almost 3 decades in the toughest mining conditions on the planet.

  • Ultra-tough body plastics
    •Long-term continuous in-tank submersion
    •0 to 40ppm (0 to 60ppm optional)
    •Super Tough membrane technology – no breaks or rips even in the harshest conditions
    •Extra long calibration stability – 3 to 4 months
    •Calibrates easily in air – no zero solutions
    •Long sensor life – ultra tough sensor last up to 20 years in clean applications and 5+ years in harsh mining slurries
    •Low maintenance – most applications requiring only annual maintenance
    •Hundreds of mine sites worldwide use this unit

M6M Online DO Sensor Datasheet


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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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