This short spO2 sensor is available for use with Armstrong:
AD-1000; Beijing Choice Electronic: Pulse Oximeter model MD300I1; Datex Ohmeda: 3300 IWS; Draeger: Oxipac 2000; Infinium: Oxcyon II; Invacare: 3300nv; Smiths Medical > BCI: 3180, 3301, 3302, 3303, 3304, 3400, 3401, 3403, Capnocheck 9004, Spectro 10, Spectro 20, Spectro2 10, Spectro2 20, Spectro2 30, SurgiVet; Spacelabs: PRO2.