Latest sensor exchange fuel cell model breathalyser for greater accuracy.
Digital readout in mg/l 0.22 scotland 0.35 England. Exchange the sensor every 6 months. Top specification fuel cell accuracy professional digital breathalyser- Fast test cycling and readings make workplace testing quick and simple. Best value for money fuel cell breathalsyer currently in the UK . Automatic prompt feature tells user when calibration service is required. Changeable sensor module. Self diagnostic function. Test counter display.