class StrDev(DeviceBase, Readable, Readable.StringType):
    def __init__(self):
        DeviceBase.__init__(self, "StrDev")
        self.index = 0

    def read(self):
        self.index = self.index + 1
        return "Test" + str(self.index) #str(time.time())         


        
        
strdev = StrDev();