The black fruit makes them look like Blackberries, though this is only superficial, with the taste being unique and not like either red raspberry or blackberry. In much of the Mid-Atlantic United States, black raspberries are simply called Blackberries, even though they are not. Hybrids between red and black raspberries are common under the name purple raspberries; âBrandywineâ, âRoyaltyâ and âEstateâ are examples of purple raspberry cultivars.
In the finger is an artery which carries the blood the pulse oximeter is interested in and a vein through which the blood leaves the finger. Below the finger is the light detector. Physical property No.1 : Amount of light absorbed is proportional to the concentration of the light absorbing substance
The Pulse Oximeter In this tutorial you will learn about:â¢ The function of a pulse oximeterâ¢ How oxygen is transported to the tissuesâ¢ How a pulse oximeter can help you in anaesthesia 2. Â© WHO, 2011. This is a diagram of a pulse oximeter â examine it carefully: 3. Â© WHO, 2011.ow does an oximeter work? A pulse oximeter is composed of the sensor (or probe) and the monitor with the display.The probe is on the finger and is detecting the flow of blood through the finger. This is displayed as a pulse wave on the monitor.