NITTY-GRITTY VALIDATION PLATE SET (1 validation plate Ç + È and 1 validation plate Ç - È)

Set including 1 x "Validation +" plate made of passivated AISI 316 stainless steel and 1 x "Validation -" plate made of Aluminium. We suggest to refresh the validation plates set once or twice a year, depending on how often is the passitest used. Replacing the validation plates set can be considered the re-calibration of the device, once the validation plates are used to assess the capacity of the device.