The device sensor (electrochemical sensor), sensitive to alcohol vapors, wears out during operation, and therefore the measurement error gradually accumulates. To restore the measurement accuracy, it is necessary to periodically manage the device settings. The manufacturer recommends a service interval of 5000 tests or 6 months (whichever comes first). In addition, Dingo B-01 entered in the register of measuring instruments is subject to verification after adjustment.
To successfully solve the problem of routine maintenance, the devices implement the principle of a replaceable sensor unit - the user can replace a unit with a worn-out sensor with a new one with factory calibration and continue working. The removed unit, in turn, can be calibrated in a specialized service center and used for further "castling". If there are a lot of devices (more than 10) and there are trained technical personnel, it makes sense to organize the calibration of the devices on your own - for this you need to purchase a gas mixture generator - an Alcosim calibrator and standard ethanol solutions.