Two is better than one
DualSense technology from Industrial Scientific uses redundant sensors to determine the concentration of the target gas in the atmosphere and reduce the risk of instrument failure. Two sensors of the same type in one gas detector help to give you the most accurate gas reading, according to the company.
It says: "Think of the two sensors in DualSense instruments like the Tango TX1, Ventis Pro, and Radius BZ1, like your two eyes or your two ears. Sure, you can see okay out of one eye and hear pretty well out of one ear. But when both eyes and both ears are working together, your sight and hearing are much better. Not only that, the chance of damaging both eyes or both ears at the same time and completely losing your sight or hearing is much lower than the potential of losing just one."
The Tango TX1 is a single gas monitor that uses DualSense. A patent pending software algorithm uses the individual outputs from two sensors to produce a clearer picture of the actual gas concentration in the air. At the same time, the risk of the instrument failing due to a sensor failure is much less with two sensors than it is with one.
Regardless of how often you bump test your monitor to verify that it is working properly, the risk of both sensors failing at the same time, leaving you unprotected is nearly 300 times less than than a single sensor instrument failure. The risk of failure on any given day shifts from 1 in 375 to 1 in 110,000 for an instrument that is bump tested everyday and from 1 in 85 to 1 in 20,000 for an instrument that is only bump tested once a month.
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