I have a Vitalograph Model 6000 spirometer with the service light on for PM due. Vitalograph wants $250 to reset the PM timer which will come on again in 1 year. Any help would be appreciated.
I have a Vitalograph Model 6000 spirometer with the service light on for PM due. Vitalograph wants $250 to reset the PM timer which will come on again in 1 year. Any help would be appreciated.