Airflow Meter. An airflow meter measures air velocity as well as air pressure. Depending on the type of application, the airflow meter is made as a hot-wire airflow meter, a vane airflow meter, a cup anemometer, a Pitot tube air flow meter or a pocket weather flow meter, all of which can measure air velocity as well as air pressure. Some can even detect the wind direction.
While hemorrhoids can bleed, the amount of actual blood loss is typically slight, so anemia is very uncommon with bleeding hemorrhoids. If you are on blood thinners, such as Aspirin and warfarin, the bleeding might be more impressive, but again anemia would be unexpected.
Have bleeding inside your body. This bleeding may be caused by problems such as ulcers, hemorrhoids, or cancer. This bleeding can also happen with regular aspirin use. Bleeding inside the body is the most common cause of iron deficiency anemia in men and in women after menopause. Cannot absorb iron well in your body. This problem may occur if you have celiac disease or if you have had part of your stomach or small intestine removed.